Study of zinc thiocarbamide chloride, a single-source precursor for zinc sulfide thin films by spray pyrolysis

被引：52
作者：
Krunks, M [1 ]
Madarász, J
Lekelä, T
Mere, A
Niinistö, L
Pokol, G
机构：
[1] Tallinn Univ Technol, Inst Mat Technol, EE-19086 Tallinn, Estonia
[2] Budapest Univ Technol & Econ, Inst Gen & Analyt Chem, H-1521 Budapest, Hungary
[3] Aalto Univ, Inorgan & Analyt Chem Lab, FIN-02015 Espoo, Finland
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2003年 / 72卷 / 02期
基金：
匈牙利科学研究基金会;
关键词：
DTA; EGA; spray pyrolysis; TG; zinc thiocarbamide complex;
D O I：
10.1023/A:1024561212883
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Thermal decomposition of the title compound, Zn(tu)(2)Cl-2 (tu=thiourea), was studied up to 1200degreesC in dynamic inert (N-2) and oxidative (air) atmospheres using simultaneous TG/DTA techniques. In addition, XRD and IR were employed ex situ to resolve the reaction mechanism and products. Cubic ZnS (sphalerite) is formed below 300degreesC in both atmospheres and is observed until 760degreesC, whereafter it transforms in nitrogen to the hexagonal ZnS (wurtzite). EGA by FTIR revealed the complexity of the decomposition reactions involving also the evolution of H2NCN, which reacts to form hexagonal ZnCN2 as shown by an XRD analysis.
引用
收藏
页码：497 / 506
页数：10
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