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Ceramics international v.43 no.6, 2017년, pp.5329 - 5333   SCI SCIE SCOPUS
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Electrodeposition of ZnO nanoflake-based photoanode sensitized by carbon quantum dots for photoelectrochemical water oxidation

Liu, Changhai (School of Materials Science & Engineering, Jiangsu Key Laboratory of Material Surface Technology, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, PR China ); Qiu, Yangyang (School of Materials Science & Engineering, Jiangsu Key Laboratory of Material Surface Technology, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, PR China ); Wang, Fang (School of Materials Science & Engineering, Jiangsu Key Laboratory of Material Surface Technology, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, PR China ); Li, Longzhu (School of Materials Science & Engineering, Jiangsu Key Laboratory of Material Surface Technology, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, PR China ); Liang, Qian (School of Petrochemical Engineering, Changzh ); Chen, Zhidong ( );
  • 초록  

    Abstract We report a promising simple strategy for improving the performance of the photoanode for photoelectrochemical (PEC) water oxidation. Three-dimentional hierarchical ZnO nanoflake arrays with abundant porosity and small thickness on fluorine-doped tin oxide glass substrate (FTO) was prepared with electrodeposition. The ZnO nanoflake-based photoanode exhibits superior photoresponse and PEC capability. Furthermore, the ZnO photoanode sensitized by carbon quantum dots (CQDs) can further PEC performance due to the narrower bandgap of CQDs and the improved efficiency of photogenerated electrons transfer from CQDs to ZnO nanostructures. The morphology and properties of the sample were examined by scanning electron microscopy (SEM), cross-section SEM, UV–vis spectra, X-ray photoelectron spectra (XPS), FT-IR, X-ray diffractometry (XRD) and electrical measurements. Graphical abstract Three-dimentional hierarchical ZnO nanoflake arrays with abundant porosity and small thickness sensitized with CQDs were prepared for highly efficient PEC water oxidation. [DISPLAY OMISSION]


  • 주제어

    Electrodeposition .   ZnO nanoflake .   Carbon quantum dots (CQDs) .   Photoelectrochemistry.  

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