Facile synthesis of novel SWCNT/HgS nanohybrid: An effective photocatalyst for degradation of methylene blue

被引：13

作者：

Saini, Pramendra Kumar ^{[1
]}

Kumar, Nitish ^{[1
]}

Chandra, Ramesh ^{[2
]}

Nath, Mala ^{[2
]}

Minocha, Ashwani Kumar ^{[1
]}

机构：

[1] CSIR Cent Bldg Res Inst, Environm Sci & Technol Div, Roorkee 247667, Uttarakhand, India

[2] Indian Inst Technol Roorkee, Dept Chem, Roorkee 247667, Uttarakhand, India

来源：

MATERIALS LETTERS | 2019年 / 250卷

关键词：

Carbon nanotubes; Nanocomposites; HgS nanoparticles; Hydrothermal synthesis; Photocatalysis; CARBON NANOTUBE; DYE DEGRADATION;

D O I：

10.1016/j.matlet.2019.04.090

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Mercury sulphide (HgS) nanoparticles decorated single walled carbon nanotubes (SWCNT/HgS) were synthesized via a hydrothermal route. We investigated structural and photocatalytic properties of SWCNT/HgS nanohybrid. The diameter of pure SWCNTs and SWCNT/HgS as determined by Raman spectroscopy was 1.607 nm and 1.646 nm, respectively. Hexagonal phase of alpha-HgS nanoparticles decorated on SWCNTs was evidenced in HRTEM, SAED, XPS and XRD spectra. An increase in photocatalytic efficiency of SWCNT/HgS nanohybrid (99.08%) as compared to HgS NPs (73.0%) was observed for photodegradation of methylene blue (5 ppm) under sunlight. This study suggests a promising approach to rational design of advanced heterogeneous photocatalysts for environmental remediation. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：5 / 8

页数：4

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