New design and fabrication of Cu3SnS4@C nanostructure for high efficient removal of anionic dye

被引：12

作者：

Li, Yan ^{[1
]}

Liu, Fangting ^{[1
]}

Zhang, Huixia ^{[1
]}

Li, Xue ^{[1
]}

Dong, Xiaofei ^{[1
]}

Lu, Gongxuan ^{[2
]}

Wang, Chengwei ^{[1
]}

机构：

[1] Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, 967 Anning East Rd, Lanzhou 730070, Gansu, Peoples R China

[2] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Gansu, Peoples R China

来源：

MATERIALS LETTERS | 2019年 / 238卷

基金：

中国国家自然科学基金;

关键词：

Cu3SnS4; Carbon; Adsorption; Structural; Semiconductors; METHYL-ORANGE; ADSORPTION; GRAPHENE;

D O I：

10.1016/j.matlet.2018.12.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new type of strong adsorbent nanostructure Cu3SnS4@C has been first designed and fabricated by two-step hydrothermal synthesis. For removal of anionic dye methyl orange (MO), in striking contrast to the weak adsorption of bare C nanospheres (0.7 mg/g), the Cu3SnS4@C nanostructures exhibit a very strong pH-sensitive adsorption performance with a maximum adsorbability of 65.99 mg/g at pH 5.0 and a minimum value of 8.11 mg/g at pH 11.0, in initial concentration of 70 mg/L MO. The samples' adsorption mechanism could be well explained by pseudo-second-order kinetic model. Such significantly enhanced adsorbability of Cu3SnS4@C could be ascribed to the synergistic adsorption effect of Cu3SnS4 nanoparticles at C nanospheres, which can induce holes transfer and thus lead to massive positive active sites generation on Cu3SnS4@C available for synergistic adsorption anion dye. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：183 / 186

页数：4

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