https://scholars.lib.ntu.edu.tw/handle/123456789/377783
Title: | Cd-ZnGeON solid solution: the effect of local electronic environment on the photocatalytic water cleavage ability | Authors: | Chouhan, Neelu Liu, Ru-Shi Hu, Shu-Fen RU-SHI LIU |
Issue Date: | 2013 | Journal Volume: | 1 | Journal Issue: | 25 | Start page/Pages: | 7422-7432 | Source: | Journal of Materials Chemistry A | Abstract: | The efficiency of hydrogen generation through photocatalytic water cleavage was elucidated for calcinated Cd-ZnGeON host systems. The electronic structures of the Cd-ZnGeON solid solution were explored via synchronized X-ray diffraction, X-ray absorption spectroscopy at the K-edge for elements O, N, Zn and Ge, X-ray photoelectron spectroscopy, diffuse reflection spectroscopy, and high-resolution transmission electron microscopy, etc., which were used as sensitive analytical probes. A good correlation was observed between the ability of Cd-ZnGeON for photocatalytic water splitting and the local atomic arrangement in its lattice. Based on advanced structural information about the solid solution, a concise lattice-model was proposed for hydrogen generation through water splitting. The electron-transfer route for hydrogen generation via photocatalytic water cleavage was also traced. The results reveal that the wurtzite Cd-ZnGeON calcinated at 600 °C generates a large amount of hydrogen (3647.25 μmol H2 h-1 g-1). © The Royal Society of Chemistry 2013. |
URI: | http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000319886500018&KeyUID=WOS:000319886500018 http://scholars.lib.ntu.edu.tw/handle/123456789/377783 |
DOI: | 10.1039/c3ta11192j | SDG/Keyword: | Electronic structure; Germanium; Hydrogen production; Photoelectrons; Transmission electron microscopy; X ray absorption spectroscopy; X ray diffraction; X ray photoelectron spectroscopy; Zinc sulfide; Analytical probes; Atomic arrangement; Diffuse reflection spectroscopy; Electron-transfer; Electronic environments; Hydrogen generations; Photocatalytic water splitting; Structural information; Solid solutions |
Appears in Collections: | 化學系 |
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