Multifunctional g-C3N4 Nanofibers: A Template-Free Fabrication and   Enhanced Optical, Electrochemical, and Photocatalyst Properties

doi:10.1021/am405076b

CORC > 北京大学 > 工学院

	Multifunctional g-C3N4 Nanofibers: A Template-Free Fabrication and Enhanced Optical, Electrochemical, and Photocatalyst Properties
	Tahir, Muhammad ; Cao, Chuanbao ; Mahmood, Nasir ; Butt, Faheem K. ; Mahmood, Asif ; Idrees, Faryal ; Hussain, Sajad ; Tanveer, M. ; Ali, Zulfiqar ; Aslam, Imran
刊名	acs applied materials interfaces
	2014
关键词	nanofibers carbon nitride supercapacitors photocatalyst optical properties NANOTUBE ARRAYS VISIBLE-LIGHT NITROGEN SUPERCAPACITORS ELECTRODE
DOI	10.1021/am405076b
英文摘要	We have developed a facile, scale up, and efficient method for the preparation of graphitic-C3N4 nanofibers (GCNNFs) as electrodes for supercapacitors and photocatalysts. The as-synthesized GCNNFs have ID structure with higher concentration of nitrogen that is favorable for higher conductivity and electrochemical performance. Secondly, the high surface area of GCNNF provides a large electrode-electrolyte contact area, sufficient light harvesting and mass transfer, as well as increased redox potential. Thus, the GCNNF supercapacitor electrode shows high capacitance of 263.75 F g(-1) and excellent cyclic stability in 0.1 M Na2SO4 aqueous electrolyte with the capacitance retention of 93.6% after 2000 cycles at 1 A g(-1) current density. GCNNFs exhibit high capacitance of 208 F g(-1) even at 10 A g(-1), with the appreciable capacitance retention of 89.5%, which proves its better rate capability. Moreover, the GCNNF shows enhanced photocatalytic activity in the photodegradation of RhB in comparison to the bulk graphitic-C3N4 (GCN). The degradation rate constant of GCNNF photocatalyst is almost 4 times higher than GCN. The enhanced photocatalytic activity of GCNNF is mainly due to the higher surface area, appropriate bandgap, and fewer defects in GCNNF as compared to GCN. As an economical precursor (melamine) and harmless, facile, and template-free synthesis method with excellent performance both in supercapacitors and in photodegradation, GCNNF is a strong candidate for energy storage and environment protection applications.; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; SCI(E); EI; 21; ARTICLE; cbcao@bit.edu.cn; 2; 1258-1265; 6
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/219494]
专题	工学院
推荐引用方式 GB/T 7714	Tahir, Muhammad,Cao, Chuanbao,Mahmood, Nasir,et al. Multifunctional g-C3N4 Nanofibers: A Template-Free Fabrication and Enhanced Optical, Electrochemical, and Photocatalyst Properties[J]. acs applied materials interfaces,2014.
APA	Tahir, Muhammad.,Cao, Chuanbao.,Mahmood, Nasir.,Butt, Faheem K..,Mahmood, Asif.,...&Aslam, Imran.(2014).Multifunctional g-C3N4 Nanofibers: A Template-Free Fabrication and Enhanced Optical, Electrochemical, and Photocatalyst Properties.acs applied materials interfaces.
MLA	Tahir, Muhammad,et al."Multifunctional g-C3N4 Nanofibers: A Template-Free Fabrication and Enhanced Optical, Electrochemical, and Photocatalyst Properties".acs applied materials interfaces (2014).