ICCAS OpenIR
Reduced graphene oxide as capturer of dyes and electrons during photocatalysis: surface wrapping and capture promoted efficiency
Liu, Jinghai1,2,3; Wang, Zhichao1,2; Liu, Liwei1; Chen, Wei1
2011
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume13Issue:29Pages:13216-13221
AbstractTo elucidate the roles of graphene in photoelectric events and mass transfer during photocatalytic process is important for engineering graphene-semiconductor hybrid photocatalyst. Here, we demonstrated reduced graphene oxide (RGO) capturing dyes and photoinduced electrons during photocatalytic degradation of organic dyes in water. It captures dyes from water through adsorption and desorption irreversible hysteresis, and captures photoinduced electrons from semiconductor through surface junction. The RGO was attached to the surface of TiO(2) in the form of surface wrapping. After one-step photocatalytic reduction of graphene oxide (GO) and TiO(2) in ethanol-water solvent under UV irradiation, the RGO wrapped TiO(2) hybrid (graphene-w-TiO(2)) photocatalyst was obtained. Using visible absorption spectroscopy, we also demonstrated these captured dyes were degraded during photocatalysis. The photocatalytic test showed the RGO significantly improved the photocatalytic activity of this hybrid photocatalyst.
DOI10.1039/c1cp20504h
Indexed BySCI
Language英语
WOS IDWOS:000292981600011
PublisherROYAL SOC CHEMISTRY
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71924
Collection中国科学院化学研究所
Corresponding AuthorChen, Wei
Affiliation1.Chinese Acad Sci, I Lab, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jinghai,Wang, Zhichao,Liu, Liwei,et al. Reduced graphene oxide as capturer of dyes and electrons during photocatalysis: surface wrapping and capture promoted efficiency[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2011,13(29):13216-13221.
APA Liu, Jinghai,Wang, Zhichao,Liu, Liwei,&Chen, Wei.(2011).Reduced graphene oxide as capturer of dyes and electrons during photocatalysis: surface wrapping and capture promoted efficiency.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,13(29),13216-13221.
MLA Liu, Jinghai,et al."Reduced graphene oxide as capturer of dyes and electrons during photocatalysis: surface wrapping and capture promoted efficiency".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 13.29(2011):13216-13221.
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