Reduced graphene oxides-wrapped ZnO with notable photocatalytic property

Wei-Chen Hu, Yi-An Chen, Ping-Yen Hsieh, Chun-Wen Tsao, Yi-Hsuan Chiu, Tso-Fu Mark Chang, Chun-Yi Chen, Masato Sone, Yung-Jung Hsu*

*此作品的通信作者

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

A facile, environmentally benign antisolvent method has been developed to prepare for reduced graphene oxides (RGO)-wrapped ZnO nanocrystals with controlled RGO contents. Because of the high electrical conductivity of RGO, the photogenerated electrons at ZnO mostly transported to RGO, leaving positively charged photoexcited holes in ZnO to result in charge separation. The steady-state photoluminescence, time-resolved photoluminescence spectroscopy and photovoltage decay analysis were employed to investigate charge carrier dynamics and charge transfer behaviors of RGO-ZnO. The influence of RGO content on the charge dynamics and photoconversion efficiency of RGO-ZnO toward dye degradation and water splitting has been realized. (C) 2020 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

原文English
頁(從 - 到)337-344
頁數8
期刊Journal of the Taiwan Institute of Chemical Engineers
112
DOIs
出版狀態Published - 七月 2020

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