Controlled solvothermal synthesis of single-crystal tellurium nanowires, nanotubes and trifold structures and their photoelectrical properties

被引：22

作者：

Zhong, Bin Nian ^{[1
,2
,3
]}

Fei, Guang Tao ^{[1
,2
]}

Fu, Wen Biao ^{[1
,2
,3
]}

Gong, Xin Xin ^{[1
,2
,3
]}

Xu, Shao Hui ^{[1
,2
]}

Gao, Xu Dong ^{[1
,2
]}

Zhang, Li De ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Key Lab Mat Phys, POB 1129, Hefei 230031, Peoples R China

[2] Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Anhui Key Lab Nanomat & Nanotechnol, POB 1129, Hefei 230031, Peoples R China

[3] Univ Sci & Technol China, Hefei 230026, Peoples R China

来源：

CRYSTENGCOMM | 2017年 / 19卷 / 20期

基金：

中国国家自然科学基金;

关键词：

CONTROLLED HYDROTHERMAL SYNTHESIS; LARGE-SCALE SYNTHESIS; GROWTH-MECHANISM; TE NANOWIRES; ASSISTED SYNTHESIS; OPTICAL PROPERTY; NANORODS; NANOSTRUCTURES; NANOBELTS;

D O I：

10.1039/c7ce00497d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Uniform tellurium nanowires (NWs), nanotubes (NTs) and trifold nanorods (NRs) were synthesized using a facile, environmentally benign solvothermal method with ethylene glycol as solvent, polyvinylpyrrolidone as surfactant and non-hazardous ascorbic acid as a reducing agent. By adjusting the amounts of the surfactant and the reducing agent, Te NWs, NTs and trifold NRs were prepared. The diameter of the Te NWs and NTs are 30-40 nm and 120-150 nm, respectively. A morphology evolution diagram based on different amounts of polyvinylpyrrolidone and ascorbic acid aqueous solution are presented. The effects of temperature are also investigated meticulously. The growth mechanism of the Te NTs and trifold Te NRs are discussed based on the crystallization law. The photoelectrical properties of the Te NWs and trifold Te NRs were measured. The photocurrent and responsivity of the photodetector based on Te NWs are 0.17 mA and 25.8 A W-1, respectively.

引用

页码：2813 / 2820

页数：8

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