A study on MoS2 thin films electrochemically deposited in ethylene glycol at 165°C

被引：23

作者：

Albu-Yaron, A ^{[1
]}

Levy-Clement, C

Hutchison, JL

机构：

[1] Agr Res Org, Volcani Ctr, IL-50250 Bet Dagan, Israel

[2] CNRS, UPR 209, LCMTR, F-94320 Thiais, France

[3] Univ Oxford, Dept Mat, Oxford OX1 3PH, England

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 1999年 / 2卷 / 12期

关键词：

D O I：

10.1149/1.1390929

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The electrosynthesis of nanoparticle thin films of MoS2 from solutions of (NH4)(2)MoS4 in ethylene glycol at 165 degrees C, is described. The as-deposited MoS2 thin films (similar to 150 nm thick) were X-ray amorphous and exhibited featureless optical absorption spectra over the 1-3.5 eV spectral range. High resolution transmission electron microscopy (HRTEM) revealed the presence of single or double (0002) plane-sized 2H-MoS2 thin nanoplatelets (similar to 2-3 nm) embedded in an amorphous matrix. Annealing the as-deposited samples under Ar for 1 h at 550 degrees C, resolved a broad and weak-intensity peak in the respective X-ray spectra, identified as the (0002) Bragg peak of the bulk 2H-MoS2 polytype, as well as some spectral features in the optical absorption spectra. HRTEM images disclose generation of a variety of nanostructures, consisting of 2-5 2H-MoS2 (0002) planes stacks (some bent) together with few polyhedral nanostructures with triangular or rectangular projections. An appraisal of the factors influencing the reaction mechanism of the various MoS2 nanostructures formation is proposed. (C) 1999 The Electrochemical Society. S1099-0062(99)06-055-1. All rights reserved.

引用

页码：627 / 630

页数：4

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