THERMAL-CHANGE OF SNI2 THIN-FILMS .4. TG-DTA AND DSC

被引：10

作者：

SAWADA, Y

SUZUKI, M

机构：

[1] Department of Industrial Chemistry, Faculty of Engineering, Tokyo Institute of Polytechnics, Atsugi-shi, Kanagawa, 243-02

来源：

THERMOCHIMICA ACTA | 1995年 / 254卷

关键词：

COUPLED TECHNIQUE; DSC; DTA; TG; THIN FILM; TIN IODIDE;

D O I：

10.1016/0040-6031(94)02089-7

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A thermal change of a tin iodide (SnI2) evaporated film as deposited on a glass substrate has been successfully detected by TG-DTA and evaluated semiquantitatively by DSC in nitrogen and air (heating rate 10 degrees C min(-1)); the film area was approximate to 0.5 and approximate to 0.25 cm(2) for TG-DTA and DSC, respectively. In nitrogen, a sharp endothermic peak at 317.9 degrees C was interpreted as denoting the melting of SnI2; an endothermic weight loss at 260-420 degrees C was interpreted as the sublimation and evaporation of SnI2. An exothermic weight loss at 180-290 degrees C in air was interpreted as the oxidation reaction proposed in our previous papers [Thermochim. Acta, 232 (1994) 29-36; 232 (1994) 37-45; 243 (1994) 95-100], namely 2SnI(2)(s) + O-2(g) --> SnO2(s) + SnI4(g).

引用

页码：261 / 266

页数：6

共 7 条

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[7]

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