Arginine-Mediated Self-Assembly of Porphyrin on Graphene: A Photocatalyst for Degradation of Dyes

被引：40

作者：

Duong Duc La ^{[1
]}

Hangarge, Rahul V. ^{[1
]}

Bhosale, Sidhanath V. ^{[2
]}

Ha Duc Ninh ^{[4
]}

Jones, Lathe A. ^{[1
,3
]}

Bhosale, Sheshanath V. ^{[1
]}

机构：

[1] RMIT Univ, Sch Sci, GPO BOX 2476, Melbourne, Vic 3001, Australia

[2] CSIR, Indian Inst Chem Technol, Polymers & Funct Mat Div, Hyderabad 500007, Telangana, India

[3] RMIT Univ, CAMIC, GPO BSOX 2476, Melbourne, Vic 3001, Australia

[4] Inst Chem & Mat Sci, 17 Hoang Sam, Hanoi 100000, Vietnam

来源：

APPLIED SCIENCES-BASEL | 2017年 / 7卷 / 06期

基金：

澳大利亚研究理事会;

关键词：

tetrakis (4-carboxyphenyl) porphyrin; self-assembly; photocatalyst; dyes degradation; pollutant treatment; graphene nanoplates; ENERGY-CONVERSION; NANOSTRUCTURES; NANOCRYSTALS; ORGANIZATION; SURFACTANT; NANORODS; COMPLEX; GROWTH; FILMS;

D O I：

10.3390/app7060643

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Porphyrin nanostructures with well-controlled size, shape and functionality can be used for visible-light photocatalysis. In this work, a graphene@porphyrin nanofibre composite was successfully fabricated via arginine-mediated self-assembly of tetrakis (4-carboxyphenyl) porphyrin (TCPP) on graphene nanoplates (GNPs). The formation and crystallisation of the graphene@porphyrin nanofibre composite was fully characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), fourier transform infrared (FTIR), ultraviolet-visible (UV-vis) and fluorescence spectroscopy. The assembled TCPP nanofibers were 50-200 nm in diameter with length in micrometers long, which were densely and uniformly distributed on the surface of graphene. The GNPs@TCPP nanofibers showed enhanced visible-light photocatalytic activity in comparison with free-standing TCPP nanorods for the degradation of Rhodamine B (RhB) and methyl orange (MO). The possible photodegradation mechanism of these dyes by the GNPs@TCPP nanofiber photocatalyst was proposed.

引用

页数：10

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