Metal–Organic Frameworks

The post-synthetic alignment of conductive Cu₃(HHTP)₂ crystals by an electric field is used for the on-demand pattern generation and to obtain a composite material exhibiting an anisotropic conductivity. The crystals' precise orientational and positional control and subsequent modulation of the bulk electrical properties are crucial for designing microelectronics and chemiresistive sensors based on conductive metal–organic frameworks. More in article number 2309469, Dong Ki Yoon, Jesse G. Park, and co-workers.

Heterogeneous Catalysis

In article number 2308934, Bong-Joong Kim and co-workers devise a method to exsolve metal dopants from amorphous perovskite oxides, followed by the crystallization of these oxides through vacuum-annealing at elevated temperatures. This process extracts all heavily doped Co atoms from SrTiO₃, resulting in uniformly distributed, high-density CoO nanoparticles embedded in the oxide support, providing structural stability, and enhancing photoelectrochemical performance.

Cancer Treatments

In article number 2309283, Emel Kirbas Cilingir, Açelya Yilmazer, Roger M. Leblanc, and co-workers discuss the synthesis of copper chlorophyllin-based carbon dots (Chl-D CDs) that exhibit unique spectroscopic traits. These dots induce a Fenton-like reaction, enhancing photodynamic therapy efficacy through ferroptotic and apoptotic pathways. The study explores their biocompatibility and potential in cancer treatment, highlighting their role in reactive oxygen species formation and the modulation of oxidative stress.

Nanofibrous Hemostatic Dressings

In article number 2308833, Kye Il Joo, Hyung Joon Cha, and co-workers developed a protein-based nanofibrous hemostatic dressing for the treatment of internal bleeding. Mussel adhesive protein was first introduced as a hemostatic agent, and its effect on blood coagulation was confirmed at the inner layer of the dressing. Silk fibroin, consisting of the outer layer of the dressing, was controlled through changes in its secondary structure, which protects the wound site from contamination and infection.

This review concentrates on the matter and energy conversion between carbon dioxide and formic acid. The production and utilization of formic acid, the catalytic mechanism, and the challenge and future prospects are comprehensively summarized. The development of hydrogen economy and environmental protection will be realized simultaneously.

This work surveys various microneedle patches applied in recent years targeting diverse wounds and scars, exploring the potential to improve specific types of wound healing and mitigate pathological scarring. The therapeutic efficacy, management of related symptoms, side effects, materials, and manufacturing methods are assessed, providing insights into future research and clinical translation.

This progress focuses on the study of three-dimensional (3D) COFs, introducing the design principles, synthesis methods, strategies to improve the stability and functionalization of 3D COFs. The focus is on the applications of 3D COFs in electronics, summarizing the applications of 3D COFs in light emission, fluorescence sensing and detection, energy storage and conversion, electronic conduction and carrier transport.

This is a comprehensive overview of smart Joule-heated fabrics. This review focuses on the conductive materials currently used for smart Joule heating, the strategies for the preparation of smart Joule heating fabrics, and the latest applications of smart Joule heating fabrics in the areas of personal thermal management, health therapy, visual indication, drug release, and soft actuators.

Understanding the fundamentals and key issues of the ARZiBs is important toward the potent applications. The timely and objective strategies for the realistic high-performance ARZiBs are summarized. The conclusion and outlook are ultimately introduced to provide guidance for the future research.

Crystal Growth

In article number 2308047, Katsuya Teshima and co-workers report low-temperature growth of ruby (chromium-doped Al₂O₃) crystals at 750 °C, which is one-third of the conventional required temperature (2050 °C). Supersaturation derived from decomposition of crystal-solvent intermediates leads to this achievement. The proposed method is a novel eco-friendly and low energy-consumption process that breaks the conventional frontiers of crystal growth.

This article represents the first report on the low-temperature growth of ruby (chromium-doped Al₂O₃) crystals at 750 °C, which is one-third of the conventional required temperature (2050 °C). Supersaturation based on the de-composition of crystal–solvent intermediates enables crystal growth at low temperatures.

Organic Light-Emitting Diodes

In article number 2308468, Han Zhang, Zhiming Wang, Ben Zhong Tang, and co-workers present a high-quality deep-blue emitter with a crossed long-short axis skeleton, which combines aggregation-induced emission and “hot exciton” mechanism and realizes versatile high-performance organic light-emitting diodes (OLEDs), including efficiency-beating blue aggregation-induced emission-based fluorescent OLEDs, high-performance sensitized monochrome orange and two-color white OLEDs, and three-color white OLEDs with high color rendering index.

Based on crossed long-short axis molecule design, a high-quality deep-blue emitter with combined aggregation-induced emission and “hot exciton” mechanism is reported, which realized efficiency-beating blue AIE-based fluorescent OLEDs, high-performance sensitized monochrome orange and two-color white OLEDs, and three-color white OLEDs with high color rendering index.

Using E-field, the alignment of conductive Cu₃(HHTP)₂ in PEGDA yields a 5000-fold increase in the electrical conductivity of the composite. Despite a low content (≈1 wt.%) of Cu₃(HHTP)₂, the aligned crystals provide long-range charge transport channels, resulting in a significant conductivity (≈10⁻³ S cm⁻¹). The technique enables facile patterning, useful for developing electrical interconnects and microelectronics based on porous conductors.

A method is devised to exsolve dopants from the amorphous state of perovskite oxide, followed by crystallization of the oxide through vacuum-annealing at elevated temperatures. This process extracts all Co atoms heavily doped into SrTiO₃, resulting in the formation of uniformly distributed high-density CoO particles embedded in the support, with complete structural stability, dramatically enhancing photoelectrochemical (PEC) performances.

In a groundbreaking development, copper chlorophyllin-based carbon dots (Chl-D CDs) are synthesized, displaying unique red emissive traits, and enhancing photodynamic therapy (PDT) by harnessing Fenton-like reaction. Chl-D CDs' ability to enhance PDT through ferroptotic and apoptotic pathways offers a secure and efficient approach to combined cancer therapy, making them an intriguing topic for exploration.

An innovative dual-sided nanofibrous dressing for topical hemostasis is developed using bioengineered mussel adhesive protein and silk fibroin. The wound-adhesive layer significantly reduces bleeding time and blood loss in wounds with hemorrhage, while the anti-adhesive layer acts as a robust physical barrier with enhanced protective qualities against contaminant penetration.

An all-dielectric integrated meta-antenna operating in 6G terahertz communication window is reported for high-efficiency beam focusing in sub-wavelength scale with a long depth of focus. With the antenna surface functionalized by metagrating arrays with asymmetric scattering patterns, the design and optimization methods are demonstrated with a physical size constraint. Its application for integrated imaging and communication is demonstrated.

Here, an innovative architecture comprising of 1D CVD-grown core–shell heterostructures (CSHSs) of MoO₂-MoS₂ is employed as memristors, manifesting both volatile and nonvolatile switching phenomena. These CSHSs offer an unprecedented solution to the interfacial issues between metallic electrodes and the layered materials-based switching element with the prospects of developing smaller footprint memristive devices for future integrated circuits.

A free-standing electrode and fixed surface tiny electrode implemented triboelectric nanogenerator (FFI-TENG) proposed to be able to generate hundredfold higher instantaneous current compared with conventional single-electrode TENG at an ultra-low working frequency of 0.1 Hz. Furthermore, a series of LEDs lighted by gentle finger touch is verified.

Co₂B/MoB₂ heterostructured nanoclusters for hydrogen evolution reaction (HER) catalysts are prepared by molten-salt electrolysis (MSE). Charge redistribution at the heterointerface modified the electronic structure and decreased the H adsorption and H₂O dissociation-free energies. The synergy at the heterointerface contributes to boost HER intrinsic catalytic activity of Co₂B/MoB₂ in pH-universal electrolytes.

MAPbI₃ perovskite quantum dots demonstrate remarkable robustness under electron irradiation and photon excitation. They exhibit a high near-infrared emission quantum yield of up to ≈100% and an unprecedented non-blinking single photon emission at room temperature. These characteristics promise unique potential in the fields of quantum information and bioimaging.

A novel strategy for direct biofunctionalization on graphene surfaces for biosensing applications based on single-step immobilization is presented. This efficient and faster approach is based on derivatized aptamers with fluorenylmethyl and acridine moieties and validated using arrays of 48 graphene SGFETs allowing multiple replicas. The presented straightforward functionalization is benchmarked versus standard multi-step strategy, offering a simpler alternative.

In this study,π-sticked metal‒organic monolayer photocatalysts are prepared for manipulating selectivity of CO₂ photoreduction and hydrogen evolution via single metal site.

A novel strategy, the synergetic dimerization and heterozygosity of tetrahedra, is proposed and verified for enhancing the birefringence. Accordingly, polymorphic Na₂S₃O₆ crystals with [S₃O₆] groups are obtained with a large birefringence in the monoclinic phase and a moderate second harmonic generation response in the orthorhombic one.

Carbon layer-coated NiRu alloy (NiRu/C) is synthesized to achieve the remarkable HOR activity in relatively high potential (2.93 mA cm⁻²_disk at 0.6 V vs RHE). The electron redistribution in NiRu alloy improves the surface adsorption of reactants, and the outer carbon layer serves as electron conductor and protection layer. The composites synergistically achieve good performance.

A dielectric regulation strategy is proposed to suppress the efficiency roll-off of perovskite light emitting diodes, by doping KBF₄ molecules with large dipole moment to lower the exciton binding energy of perovskite. The optimal device delivers a maximum EQE > 20% and can retain EQE > 10% at J of 708 mA cm⁻², efficient PeLEDs with ultra-low efficiency roll-off.

Fast near-infrared (NIR) photodetectors are vital for many applications, including optical communication and data transfer. Herein, solution-processed AgBiS₂ photodetectors with a cut-off frequency approaching 500 kHz under NIR (940 nm) illumination, and >1 MHz under visible light are developed. The high response speed comes about because of the strong absorption of light in AgBiS₂, enabling the fabrication of ultrathin photodetectors with fast charge-extraction, which is demonstrated as heart beat sensors operating in air.

Manganese acetate allowed porous carbon nanofibers (PCNFs) to grow a large number of hollow carbon nanorods (HCNRs) and well dispersed MnF₂ nanodots. MnF₂ surface-modulated HCNRs can strongly enhance ORR activity, and the uniformly dispersed MnF₂ can also provide higher OER activity. Thus, the prepared HCNRs/MnF₂@PCNFs obtains efficient bifunctional oxygen catalytic ability and high performance rechargeable ZABs.

The interaction between the interface of fluorinated titanium dioxide with abundant oxygen vacancies (TiO_2-x(F)) and MgH₂ is investigated for the first time. During hydrogen ab/de-sorption cycles, the in situ generated MgF₂ and MgF_2-xH_x can provide numerous nucleation centers for Mg/MgH₂. Moreover, the synergistic effect between multivalent Ti species and oxygen vacancies can significantly accelerate the transportation of electrons.

A heterogeneous tungsten disulfide (WS₂) nanofluidic membrane by sequentially stacking PEDOT:PSS functionalized WS₂ (PE-WS₂) and PDINN-functionalized WS₂ (PD-WS₂) for light-driven active ion transport. The incorporation of organic materials promotes the photogenerated carriers separation of WS₂ by engineering the staggered band alignment. The maximum output power can achieve 1.13 nW in equilibrium electrolyte solution.

A multi-functional liquid metal-bridged graphite nanoplatelets/aramid nanofiber film is proposed to be functioned as, thermal conductive materials, flame retardant layer, flexible Joule heater, and electromagnetic shielding layer.

By depositing regularly arranged alumina sheets on the classical carbon nanotube array growth catalyst, and taking advantage of their thermal deformation to change their newly found ability to block the diffusion of the carbon source, this work obtains an adhesive nanotube array full of nanotube bundles on its upper surface, which exhibits a unique near-isotropic adhesion performance.

The zinc oxide (ZnO)-supported core–shell catalyst ZnO@MOF, with small apertures on the catalyst surface, provides a potential advantage for isolating metal-atom or metal-clusters sources as guests, which has a positive effect on the stability and activity of the catalyst. These results demonstrate the benefit of using core–shell ZnO@ZIF-8 as a platform for immobilizing ultrasmall Pd clusters for multiple carbonylation reactions.

In this work, a weak ion-exchange based swarm is presented that can self-organize and reconfigure by changing the frequency and strength of external magnetic field. Experiments show the high adaptability and functionality of the microrobot swarm in delivering drugs in confined spaces, which provides a new platform for biomedical and environmental applications.

The desolvation of solvated Zn²⁺ ions is crucial for achieving dendrite-suppressive Zn anodes in high-performance aqueous zinc-ion batteries. The investigation of ZnO nanoflakes (NFs), which create artificial layers on Zn anodes, offers surfaces that are not only more polar than nanorods (NRs) morphologies but also enhance strong interactions with water molecules for exceptional hydrophilicity, facilitating the formation of ohmic contacts for efficient electron transport during Zn²⁺ plating/stripping processes.

Vacancy-rich bismuth-based nanosheets of BCP are successfully developed for mitochondrial destruction via CO poisoning, Ca²⁺ dyshomeostasis, and oxidative damage. Upon endocytosis by tumor cells, lysosomal acidity causes the disintegration of CaCO₃ nanoshell, followed by immediate Ca²⁺ release and CO₂ production. Oxygen vacancies in BiO_2-x lattice are preferable for CO₂ absorption and efficient CO₂-to-CO can be subsequently triggered by NIR irradiation.

A versatile spatially controlled proximity split tweezer (PST) switch for the transduction of diverse biomolecule into desired oligonucleotides is presented. Leveraging synergy between tweezer rigidity and hairpin lock can minimize DNA circuit leakage. The platform allows logical operations and direct coupling with DNA catalytic circuits. Its design simplicity, flexibility, and expandable complexity offer broad applications in research and biomedicine.

Annealing-free and light-soaking-free tin dioxide (SnO₂) electron transport layers are developed and applied to non-fullerene organic solar cells (OSCs) based on PTB7-Th:IEICO-4F. The OSCs fabricated with pristine SnO₂ exhibited 8.34% low efficiency without annealing. However, upon annealing the pristine SnO₂ at 150 °C, the efficiency recovered to the normal value of 11.21%. The solar cell using γ-ray treated SnO₂ demonstrated a comparable efficiency of 11.18% without any annealing process. Furthermore, the light-soaking effect disappeared in the γ-ray-treated SnO₂.

In this work, the two-photon persistent charging induced long-lasting afterglow and charged exciton formation are observed in CsPbBr₃ nanocrystals confined in glass host. Combining the time-resolved transient absorption and temperature-dependent luminescence spectroscopy, the underlying mechanism involving two carrier-transfer channels is uncovered. On this basis, two different information storage devices are demonstrated, which pave a way towards novel information memory applications.

A series of nitrogen-doped graphene mesosponges with largely identical pore structures (≈ 2100 m² g⁻¹) but different heteroatom functionalities are developed. It is found that heteroatom functionalities determine total capacitance (C_tot), resulting in the cyclic voltammetry curves being rectangular or butterfly-shaped. The nitrogen functionalities are found to significantly enhance C_tot owing to increased quantum capacitance.

The electrode satisfies the requirements of green sustainability, economic viability, and largescale industrial hydrogen production. Under the high current density conditions, Mo2C-based ceramic electrodes with Mo2C (O)/MoO2 heterostructures present superior performance than commercial Pt wire electrodes. The prepared electrode can work stably at industrial-level current densities for more than 260 h, exhibiting excellent stability.

At a high concentration of Cu (II) precursor, PtCu branched nanoparticles featuring a high concave surface curvature are synthesized, contributing to an enlarged electrochemical active area, excellent mass activity, remarkable CO tolerance, and enhanced stability toward methanol oxidation reaction.

Platelet membrane-derived nanodiscs (PLT-NDs) are synthesized and evaluated for biological neutralization applications. PLT-NDs effectively neutralize anti-platelet autoantibodies and bacterial virulence factors both in vitro and in vivo. Treatments with PLT-NDs show significant therapeutic benefits in mouse models of immune thrombocytopenic purpura and methicillin-resistant Staphylococcus aureus infection, respectively.

Here, an inorganic tetravalent cerium fluoride, Na₂CeF₆, is derived from the perovskite structure by double site cation substitution. It represents the first Ce(IV) fluoride nonlinear optical crystal and demonstrates a strong and phase-matchable second-harmonic generation effect (2.1 × KH₂PO₄). It also exhibits large laser-induced damage threshold (over 20 × AgGaS₂).

In this work, porous g-CN microspheres are synthesized via a simple method with MCA as the intermediates. And the morphology and energy band structure of g-CN are intimately calcination time-dependent. The visible-light HER rate of g-CN@Pt reaches 10.14 mmol g⁻¹ h⁻¹. The formation and internal mechanism of g-CN are studied and supplemented by theoretical calculations.

A novel 3D cross-linked metal-organic framework (MOF)-derived polymer solid electrolyte with good mechanical, ionic conductive properties, and interfacial compatibility is achieved by cross-linking vinyl-functionalized MOFs (Vinyl-ZIF-8) to polyethylene glycol diacrylate (PEGDA) through pentaerythritol tetraacrylate (PETEA). The unique structure of the MOFs-derived hybrids electrolytes adsorb anions and only allow Li⁺ to pass through, resulting in uniform Li⁺ flux distribution, high t⁺, and dendrite-free.

A high thermostable separator composed of PVDF and PEI is developed. The thermostable PEI microspheres are evenly dispersed in the PVDF film matrix which not only functions as a strong skeleton enabling the rare shrink of the separator at 200 ^oC but also acts as a ball valve shutting down the lithium-ion transmission channel at 150 ^oC.

C₃N₄-CoSe₂ composite are designed and used as lithium sulfur batteries (LSBs) separator. The moderate adsorption ability of C₃N₄-CoSe₂ suppress the polysulfides shuttle effect. The formed internal electric field provided powerful kinetic for sulfur conversion reactions. The lithiophilic C₃N₄-CoSe₂ help to regulate Li deposition, thus avoiding lithium dendrites. Consequently, the LSBs based on C₃N₄-CoSe₂ functional separator display superior electrochemical performances.

The paper illustrates a unique approach for detecting carbon particles, which have the potential to selectively detect particulate matter in aerosols. The sensing mechanisms behind the selectivity and sensitivity, and how to optimize the sensing responses and distinctions are also discussed. Polymer semiconductors can be promising materials for accurate and efficient particulate detection.

Thin composite films of zeolitic imidazolate frameworks (ZIFs) and colloidal 2D CdSe/CdS nanoplatelet (NPL) emitters with minimal scattering are formed by cycled growth and yield anti-reflective, yet photoluminescent coatings. The guest-host chemistry of the porous ZIF layer is used to change the photoluminescence of the NPL emitters by the adsorption of the guest molecules water and ethanol, providing an application toward innovative photoluminescence-based gas sensing.

A nano-micro heterostructure with NiOOH nanosheets in a Ni(OH)₂ microarray, and functionalized with SO_x offers outstanding anode durability and selectivity in unpurified seawater. Its cation-selective layer hinders Cl^- diffusion, enhancing corrosion resistance.

Pyridinic-N as highly active metal-free coordination sites enable favorable microbe adsorption and reduced electron transfer barrier at the biotic-abiotic interface for efficient bio-electrochemical CO₂ reduction.

The HIFU-specific metal-organic framework nanosystem (ADMOFs) is constructed by coordinating AQ4N, Mn²⁺, and DOX. ADMOFs can efficiently enhance PA/MR imaging to more accurately guide HIFU surgery. Moreover, ADMOFs utilize the severe tumor hypoxic environment created by HIFU to conquer hypoxia-associated drug resistance and kill residual hypoxic/normoxic tumor cells. This strategy innovatively combines hypoxic-activated chemotherapy with HIFU to enhance cancer treatment.

An in situ electrodeposition method is employed to modulate the catalyst coverage on the microporous layer, enabling a wide-ranging adjustment of the microenvironment hydrophobicity. Enhanced hydrophobicity significantly facilitates the yield of multi-carbon species and suppresses the parasitic hydrogen evolution. And the phenomenon can be further extended to an industrially relevant slurry-based approach with hydrophobic microspheres.

In the pursuit of sustainable energy solutions, the potential of manganese nickel cobalt dioxide materials for aqueous zinc-ion batteries are presented. By addressing the Jahn–Teller distortion through Ni and Co doping, the presented cathode material sheds light on achieving enhanced battery performance. These findings not only underline the importance of material engineering but also suggest a roadmap for eco-friendly battery solutions derived from wastewater processes.

High-performance cadmium-free Cu─In─Zn─S(CIZS)-based quantum-dot light-emitting diodes (QLEDs) are achieved through tailoring interfacial energy level alignment and improving the balance of charge injection. The idea is to introduce a bilayered hole-injection layer (HIL) of Cu-doped NiO_x (Cu─NiO_x)/Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS).

Two centimeter-sized manganese (II) halide single crystals TMG₂MnCl₄ and TMG₂MnBr₄ (TMG = 1,1,3,3-tetramethylguanidine) are synthesized, exhibiting bright narrow-band green emissions with high photoluminescent quantum efficiencies (PLQYs) up to 62% and 90%, respectively. The photoluminescence mechanisms are elaborated. Two white-light-emitting diodes for backlighting displays are fabricated, exhibiting the widest color gamut of 122% National Television Standards Committee (NTSC).

Removal of lipoprotein contaminants remains a major challenge for extracellular vesicle isolation from biofluids. This study describes the first extracellular vesicle purification method based on chemically-induced breakdown of lipoproteins. Samples are pre-treated with styrene-maleic acid prior to using conventional isolation methods as a simple and effective way to improve the purity and downstream applications of extracellular vesicles.

The hybrid electrocatalyst (Mn−(Co,Ni)₂P/CoP/(N,S)−C) develops through a hydrothermal and room-temperature aging method followed by chemical vapor deposition, exhibits outstanding performance in hydrogen and oxygen evolution reactions. The catalyst's effectiveness is attributed to abundant active sites, high porosity, and improved hetero-interface interaction among different phases, leading to a low cell voltage of 1.49 V@10 mA cm⁻² and notable stability.

A robust internal electric field has been effectively engineered to induce an asymmetrical charge distribution on the Ni-V₂O₃ heterostructure, wherein the negative charge enriched V₂O₃ side facilitates the dissociation of water molecules, while the positively charged Ni side optimizes the H^* adsorption, thus ensuring the excellent HER and HOR performance in alkaline electrolyte.

An exceptional Z-scheme CeO₂/Bi₂WO₆ heterojunction photocatalyst is fabricated through a simple in situ liquid-phase approach. These as-prepared nanocomposites possess excellent photocatalytic properties for degrading tetracycline (TC), Rhodamine B (RhB), and methylene blue (MB). The toxicity of wastewater after photocatalytic treatment is significantly reduced, making it highly conducive to aquatic life and contributing significantly to environmental sustainability.

Constructing a front surface gradient, which increases minority carrier lifetime without defect passivation, is challenging for two-step processed perovskite solar cells. A front surface layer assembled of ZnCdSeS-based quantum dots enables a 73 mV gain in open-circuit voltage and a power conversion efficiency of 24.37% by forming a valance band gradient and minimizing the lattice mismatch with the absorber.

A neat array of silicon nanowires is obtained by metal-assisted wet etching and lateral stripping. Silicon nanowire arrays combined with carbon nanomaterials of different forms and functions are used to construct a high-capacity stretchable flexible lithium-ion battery silicon anode. Good cycle life and magnification characteristics can be used to adapt to the next generation of wearable electronic devices.

A porous composite of Si@rGO@C-SD-AlO has been fabricated by using a precursor induced assembly strategy and combined with the spray drying and an atomic layer deposition process. Protonated chitosan plays the dual roles of inducer for the assembly of graphene oxide sheets and the precursor for amorphous carbon. The composite can be used as a high-performance anode for lithium-ion batteries and it shows superior electrochemical performance, for example, excellent multiplicative performance (806 mAh g⁻¹ at 5000 mA g⁻¹), preferable initial Coulomb efficiency (up to 76.7%), high reversible capacity (1477 mAh g⁻¹ after 500 cycles at 500 mA g⁻¹), and excellent long-cycle cycling stability (930 mAh g⁻¹ after 1000 cycles at 1000 mA g⁻¹).

A family of hexagonal in-plane chemical ordering (Mo_2/3R_1/3)₂AlB₂ (R = Tb, Dy, Ho, Er, Tm, and Lu) i-MAB phases and their 2D derivatives MBenes are synthesized. The i-MAB phases with R = Tb to Tm are considered to be non-linear ferromagnetic. The pristine MBene@R exhibits poor supercapacitor performance, which, however, can be greatly enhanced by nitridation.

Mesoporous nickel sulfide microsphere encapsulated in nitrogen, sulfur dual-doped carbon (MNS@NSC) enhances the sodium storage because the superior pseudocapacitive capacity introduced by large subsurface of the particular packaged structure. Further, the formed Cu_7.2S₄ improves the conductivity and inhibits the polysulfide accumulation during the sodiation/desodiation process. Thus, a long-term stable MNS@NSC electrode in sodium-ion batteries has been realized.

Phase engineering strategy is developed to efficiently modulate the elastic properties of 2D magnetic FeTe. It is found that the Young's modulus of 2D tetragonal FeTe shows the superior thickness-dependence to other known 2D materials, significantly different from that of hexagonal FeTe. The extracted modulus of tetragonal FeTe reaches 291 GPa when the thickness is 13.2 nm.

A high-performance quantum dot-based self-powered infrared photodetector is designed through azide ion solution treatment of the zinc oxide electron transport layer. Azide treatment effecitvely eliminated the traps at the interfaces between zinc oxide and lead sulfide quantum dot layers, improving the mobility of carriers and band alignment in the photodiode.

A series of hollow mesoporous core–shell bifunctional materials with adjustable shell thickness and Si/Al ratio are synthesized by cleverly designing sorbent structures. The introduction of BAS sites overcame the defect of conventional bismuth based functional materials (BBMs) not being able to adsorb CH₃I, and achieve the co-removal of inorganic and organic iodine by BBMs for the first time.