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题名: A robust and efficient visible light driven photocatalyst for hydrogen evolution based on ruthenium dye N3 covalently immobilized on reduced graphene oxide
作者: Wang, DD; Huang, J(黄洁); Li, KZ; Zhang, CY; Du, YK; Yang, P
通讯作者: Yang, P
刊名: RSC ADVANCES
发表日期: 2016
DOI: 10.1039/c6ra03542f
卷: 6, 期:41
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 纳米生物医学与安全研究部
英文摘要: In this paper, a novel nanohybrid composed of cis-dithiocyanato-bis(2,2'-bipyridine-4,4'-dicarboxylate) ruthenium(II) (N3) covalently functionalized reduced graphene oxide (N3-RGO) has been synthesized. The nanocomposite is characterized by transmission electron microscopy (TEM), Fourier transform infrared (FTIR), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), fluorescence, and UV-vis spectroscopy. The results demonstrate that the N3 dye molecules have been covalently grafted on the graphene sheets. The efficient fluorescence quenching and the enhanced photocurrent response confirm that the photoinduced electron transfer from the N3 moiety to the graphene sheet and charge recombination have been suppressed. Platinum nanoparticles as cocatalysts loaded on the N3-RGO nanosheets show a remarkable improvement in photocatalytic hydrogen evolution. The amount of hydrogen evolved from N3-RGO/Pt reached 11.25 and 1.78 mu mol mg(-1) under 7 h of UV-vis and visible light irradiation, respectively. This work provides a new way to design more efficient graphene-based nanocomposite photocatalysts for solar energy conversion.
关键词[WOS]: SENSITIZED SOLAR-CELLS ; FUNCTIONALIZED GRAPHENE ; GRAPHITE OXIDE ; WATER ; POLYANILINE ; ELECTRODES ; SHEETS ; TIO2 ; SUPERCAPACITORS ; NANOCOMPOSITE
语种: 英语
JCR小类分区: 二区
WOS记录号: WOS:000374049700072
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4689
Appears in Collections:纳米生物医学与安全研究部_张智军团队_期刊论文

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Recommended Citation:
Wang, DD,Huang, J,Li, KZ,et al. A robust and efficient visible light driven photocatalyst for hydrogen evolution based on ruthenium dye N3 covalently immobilized on reduced graphene oxide[J]. RSC ADVANCES,2016,6(41).
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