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Graphene-CdS quantum dots-polyoxometalate composite films for efficient photoelectrochemical water splitting and pollutant degradation
Alternative TitlePhys. Chem. Chem. Phys.
Wang, Meng1,2; Shang, Xinke1,2; Yu, Xuelian1; Liu, Rongji1; Xie, Yongbing1; Zhao, He1; Cao, Hongbin1; Zhang, Guangjin1
2014
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume16Issue:47Pages:26016-26023
AbstractrGO-CdS-H2W12 nanocomposite film was successfully fabricated by a layer-by-layer self-assembly method. The composite film was characterized by techniques such as UV-Vis spectra, XPS, and AFM. The composite film showed high photoelectronic response under the illumination of sunlight. Both current-voltage curves and photocurrent transient measurements demonstrated that the photocurrent response of the rGO-CdS-H2W12 composite film was enhanced five-fold compared with CdS film. This can be attributed to the photoinduced electron transfer between CdS, H2W12 and rGO, which promotes the charge separation efficiency of CdS. The introduction of GO enhanced the charge separation and transportation. More importantly, various pollutants can be treated as electron donors, and can thus be degraded and produce hydrogen at the same time, at a low bias voltage under the irradiation of solar light.; rGO-CdS-H2W12 nanocomposite film was successfully fabricated by a layer-by-layer self-assembly method. The composite film was characterized by techniques such as UV-Vis spectra, XPS, and AFM. The composite film showed high photoelectronic response under the illumination of sunlight. Both current-voltage curves and photocurrent transient measurements demonstrated that the photocurrent response of the rGO-CdS-H2W12 composite film was enhanced five-fold compared with CdS film. This can be attributed to the photoinduced electron transfer between CdS, H2W12 and rGO, which promotes the charge separation efficiency of CdS. The introduction of GO enhanced the charge separation and transportation. More importantly, various pollutants can be treated as electron donors, and can thus be degraded and produce hydrogen at the same time, at a low bias voltage under the irradiation of solar light.
KeywordSolar-cells Nanoparticles Nanosheets Hydrogen
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c4cp03824j
URL查看原文
Indexed BySCI
Language英语
WOS KeywordSOLAR-CELLS ; NANOPARTICLES ; NANOSHEETS ; HYDROGEN
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000345208200039
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11840
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Meng,Shang, Xinke,Yu, Xuelian,et al. Graphene-CdS quantum dots-polyoxometalate composite films for efficient photoelectrochemical water splitting and pollutant degradation[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2014,16(47):26016-26023.
APA Wang, Meng.,Shang, Xinke.,Yu, Xuelian.,Liu, Rongji.,Xie, Yongbing.,...&Zhang, Guangjin.(2014).Graphene-CdS quantum dots-polyoxometalate composite films for efficient photoelectrochemical water splitting and pollutant degradation.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,16(47),26016-26023.
MLA Wang, Meng,et al."Graphene-CdS quantum dots-polyoxometalate composite films for efficient photoelectrochemical water splitting and pollutant degradation".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 16.47(2014):26016-26023.
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