RESEARCH ARTICLE
High-performance HTL-free perovskite solar cell: An efficient composition of ZnO NRs, RGO, and CuInS2 QDs, as electron-transporting layer matrix
Reza Taheri-Ledari,
Kobra Valadi,
Ali Maleki,
Reza Taheri-Ledari
Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
Search for more papers by this authorKobra Valadi
Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
Search for more papers by this authorCorresponding Author
Ali Maleki
Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
Correspondence
Ali Maleki, Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran.
Email: [email protected]
Search for more papers by this authorReza Taheri-Ledari,
Kobra Valadi,
Ali Maleki,
Reza Taheri-Ledari
Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
Search for more papers by this authorKobra Valadi
Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
Search for more papers by this authorCorresponding Author
Ali Maleki
Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114 Iran
Correspondence
Ali Maleki, Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran.
Email: [email protected]
Search for more papers by this authorAbstract
A hole-transporting layer (HTL)-free perovskite solar cell (PSC) with fluorine-doped tin oxide (FTO)/nanocomposite electron-transporting layer (ETL)/perovskite/Au structure is presented that takes advantage of a novel ternary nanocomposite constructed of zinc oxide (ZnO) nanorods, reduced graphene oxide (RGO), and copper indium sulfide quantum dots (CuInS2 QDs), as ETL. Concisely, the photoelectric and photovoltaic properties of all the individual, binary, and ternary composites were monitored by using of the photoluminescence (PL) spectroscopy, UV-visible (vis) spectroscopy, J-V curves, and incident photon-to-current conversion efficiency (IPCE) spectra studies. The comparative values exhibited a noticeable benefit for the ZnO-RGO5%-CuInS220% ternary nanocomposite as an appropriate ETL for PCS. Also, the comparative structural studies on the individual nanoscale components, binary, and ternary nanocomposite (with different percentages of CuInS2 QDs) were precisely performed by Fourier transform infrared (FT-IR), energy-dispersive X-ray (EDX), X-ray diffraction (XRD), Raman spectroscopy, and field emission scanning electron microscopy (FESEM), as well. Overall, after careful optimization of the ETL, a15.74% efficiency was resulted through applying the prepared ZnO-RGO5%-CuInS220% composite in a HTL-free PCS with 0.33 cm2 active area.
CONFLICT OF INTEREST
The authors declare no conflict of interest.
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