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https://hdl.handle.net/10356/107391
Title: | Carbon quantum dots coated BiVO4 inverse opals for enhanced photoelectrochemical hydrogen generation | Authors: | Nan, Feng Kang, Zhenhui Wang, Junling Shen, Mingrong Fang, Liang |
Keywords: | DRNTU::Science::Physics::Atomic physics::Quantum theory | Issue Date: | 2015 | Source: | Nan, F., Kang, Z., Wang, J., Shen, M., & Fang, L. (2015). Carbon quantum dots coated BiVO4 inverse opals for enhanced photoelectrochemical hydrogen generation. Applied physics letters, 106(15). | Series/Report no.: | Applied physics letters | Abstract: | Carbon quantum dots (CQDs) coated BiVO4 inverse opal (io-BiVO4) structure that shows dramatic improvement of photoelectrochemical hydrogen generation has been fabricated using electrodeposition with a template. The io-BiVO4 maximizes photon trapping through slow light effect, while maintaining adequate surface area for effective redox reactions. CQDs are then incorporated to the io-BiVO4 to further improve the photoconversion efficiency. Due to the strong visible light absorption property of CQDs and enhanced separation of the photoexcited electrons, the CQDs coated io-BiVO4 exhibit a maximum photo-to-hydrogen conversion efficiency of 0.35%, which is 6 times higher than that of the pure BiVO4 thin films. This work is a good example of designing composite photoelectrode by combining quantum dots and photonic crystal. | URI: | https://hdl.handle.net/10356/107391 http://hdl.handle.net/10220/25538 |
DOI: | 10.1063/1.4918290 | Schools: | School of Materials Science & Engineering | Rights: | © 2015 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC.The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4918290]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | MSE Journal Articles |
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Carbon quantum dots coated BiVO4 inverse opals for enhanced photoelectrochemical hydrogen generation.pdf | 1.96 MB | Adobe PDF | View/Open |
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