Preparation of MoS2–MoO3 Hybrid Nanomaterials for Light-Emitting Diodes†
Dr. Zongyou Yin
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
These authors contributed equally to this work.
Search for more papers by this authorXiao Zhang
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
These authors contributed equally to this work.
Search for more papers by this authorDr. Yongqing Cai
Institute of High Performance Computing, A*STAR (Agency for Science, Technology and Research), 1 Fusionopolis Way, Singapore 138632 (Singapore)
These authors contributed equally to this work.
Search for more papers by this authorJunze Chen
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Jen It Wong
Pillar of Engineering Product Development, Singapore University of Technology and Design, 20 Dover Drive, Singapore 138682 (Singapore)
Search for more papers by this authorDr. Yee-Yan Tay
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Jianwei Chai
Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602 (Singapore)
Search for more papers by this authorJumiati Wu
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Zhiyuan Zeng
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Bing Zheng
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorProf. Hui Ying Yang
Pillar of Engineering Product Development, Singapore University of Technology and Design, 20 Dover Drive, Singapore 138682 (Singapore)
Search for more papers by this authorCorresponding Author
Prof. Hua Zhang
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/Search for more papers by this authorDr. Zongyou Yin
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
These authors contributed equally to this work.
Search for more papers by this authorXiao Zhang
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
These authors contributed equally to this work.
Search for more papers by this authorDr. Yongqing Cai
Institute of High Performance Computing, A*STAR (Agency for Science, Technology and Research), 1 Fusionopolis Way, Singapore 138632 (Singapore)
These authors contributed equally to this work.
Search for more papers by this authorJunze Chen
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Jen It Wong
Pillar of Engineering Product Development, Singapore University of Technology and Design, 20 Dover Drive, Singapore 138682 (Singapore)
Search for more papers by this authorDr. Yee-Yan Tay
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Jianwei Chai
Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602 (Singapore)
Search for more papers by this authorJumiati Wu
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Zhiyuan Zeng
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorDr. Bing Zheng
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
Search for more papers by this authorProf. Hui Ying Yang
Pillar of Engineering Product Development, Singapore University of Technology and Design, 20 Dover Drive, Singapore 138682 (Singapore)
Search for more papers by this authorCorresponding Author
Prof. Hua Zhang
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798 (Singapore) http://www.ntu.edu.sg/home/hzhang/Search for more papers by this authorThis work was supported by MOE under AcRF Tier 2 (ARC 26/13, No. MOE2013-T2-1-034), AcRF Tier 1 (RG 61/12, RGT18/13, and RG5/13), and Start-Up Grant (M4080865.070.706022) in Singapore. This Research is also conducted by NTU-HUJ-BGU Nanomaterials for Energy and Water Management Program under the Campus for Research Excellence and Technological Enterprise (CREATE), that is supported by the National Research Foundation, Prime Minister’s Office, Singapore.
Graphical Abstract
LED's glow: MoS2–MoO3 hybrid nanomaterials are prepared by the heat-assisted partial oxidation of MoS2 nanosheets in air (1) followed by a thermal-annealing-driven crystallization (2). The obtained hybrid nanomaterial exhibits p-type conductivity and is employed in a heterojunction of n-type SiC/p-type MoS2–MoO3 for light-emitting diodes (3), from which multi-wavelength electroluminescent emission is detected.
Abstract
A facile strategy to prepare MoS2–MoO3 hybrid nanomaterials is developed, based on the heat-assisted partial oxidation of lithium-exfoliated MoS2 nanosheets in air followed by thermal-annealing-driven crystallization. The obtained MoS2–MoO3 hybrid nanomaterial exhibits p-type conductivity. As a proof-of-concept application, an n-type SiC/p-type MoS2–MoO3 heterojunction is used as the active layer for light-emitting diodes. The origins of the electroluminescence from the device are theoretically investigated. This facile synthesis and application of hybrid nanomaterials opens up avenues to develop new advanced materials for various functional applications, such as in electrics, optoelectronics, clean energy, and information storage.
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Citing Literature
Special Issue:Nanotechnology & Nanomaterials, Nanotoxicology & Nanomedicine
November 10, 2014
Pages 12560-12565
