Surfactant Assistance in Improvement of Photocatalytic Hydrogen Production with the Porphyrin Noncovalently Functionalized Graphene Nanocomposite

doi:10.1021/am302912v

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	Surfactant Assistance in Improvement of Photocatalytic Hydrogen Production with the Porphyrin Noncovalently Functionalized Graphene Nanocomposite
	Zhu, Mingshan 2; Li, Zhi 1; Xiao, Bin 1; Lu, Yongtao 1; Du, Yukou 1; Yang, Ping 1; Wang, Xiaomei 1
刊名	ACS APPLIED MATERIALS & INTERFACES
	2013-03-13
卷号	5 期号:5 页码:1732-1740
关键词	Noncovalently Functionalized Graphene Porphyrin Electron Transfer Photocatalysis Hydrogen Evolution Surfactant
ISSN号	1944-8244
DOI	10.1021/am302912v
英文摘要	In this paper, a 5,10,15,20-tetrakis(4-(hydroxyl)-phenyl) porphyrin (TPPH) noncovalently functionalized reduced graphene oxide (RGO) nanohybrid has been facilely synthesized by immobilizing TPPH on RGO nanosheets. This nanohybrid was characterized by atomic force microscopy (AFM), transmission electron microscopy (TEM), and UV-vis spectra, which demonstrated that the TPPH molecule was attached on the surface of the graphene nanosheet. The results of fluorescence quenching and photocurrent enhancement of TPPH-RGO exhibit that the fast electrons transfer from photoexcited TPPH molecules to RGO sheets. Compared with bare TPPH or RGO functional Pt nanoparticles, the TPPH-sensitized RGO loaded with Pt nanoparticles shows remarkable enhanced photocatalytic activity under UV-vis light irradiation. The superior electron-accepting and electron-transporting properties of graphene greatly accelerate the electron transfer from excited TPPH to Pt catalysts, which promote the photocatalytic activity for hydrogen evolution. More importantly, with the assistance of cetyltrimethylammonium bromide (CTAB) surfactant, the catalytic activity and stability is further improved owing to aggregation prevention of TPPH-RGO nanocomposites. Our investigation might not only initiate new opportunities for the development of a facile synthesis yet highly efficient photoinduced hydrogen evolution system (composed of organic dye functionalized graphene) but also pave a new avenue for constructing graphene-based matericals with enhanced catalytic performance and stability under surfactant assistance.
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000316308100028
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/42085]
专题	中国科学院化学研究所
通讯作者	Yang, Ping
作者单位	1.Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China 2.Chinese Acad Sci, Inst Chem, CAS Key Lab Colloid Interface & Chem Thermodynam, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Zhu, Mingshan,Li, Zhi,Xiao, Bin,et al. Surfactant Assistance in Improvement of Photocatalytic Hydrogen Production with the Porphyrin Noncovalently Functionalized Graphene Nanocomposite[J]. ACS APPLIED MATERIALS & INTERFACES,2013,5(5):1732-1740.
APA	Zhu, Mingshan.,Li, Zhi.,Xiao, Bin.,Lu, Yongtao.,Du, Yukou.,...&Wang, Xiaomei.(2013).Surfactant Assistance in Improvement of Photocatalytic Hydrogen Production with the Porphyrin Noncovalently Functionalized Graphene Nanocomposite.ACS APPLIED MATERIALS & INTERFACES,5(5),1732-1740.
MLA	Zhu, Mingshan,et al."Surfactant Assistance in Improvement of Photocatalytic Hydrogen Production with the Porphyrin Noncovalently Functionalized Graphene Nanocomposite".ACS APPLIED MATERIALS & INTERFACES 5.5(2013):1732-1740.