1. 指導教授：王聖璋 博士 (Pro.S-C Wang) 學生 : 黃伯嘉 (Bo-Jia Huang) 2015/11/11 Temperature effects on the growth of SnS nanosheet structure using thermal decomposition Bo-Jia Huang, Jyun-Jia Huang, Sheng-Chang Wang* Department of Mechanical Engineering, Southern Taiwan University Tainan, TAIWAN *E-mail: scwang@mail.stut.edu.tw

2. Abstract

3. 3 In this research, Tin sulfide (SnS) nanostructure were synthesized in oleylamine solution using thermal decomposition method. The sulfur and tin oleate were used as the S and Sn sources, respectively. Various decomposition temperature, were conducted to growth the SnS powders in Ar for 10-60 min. The morphology, electrical and optical properties of SnS film was characterized by SEM,TEM, XRD and UV-Vis.

4. Introduction

5. 5 SnS is a narrow band gap IV-VI semiconductor, which are optically active in the near-infrared and infrared. SnS band gad between that of Si (1.12 eV) and GaAs (1.43 eV) [1]. It has a high absorption coefficient (α>10 4 cm −1 ),and has absorbs the solar spectrum best to be able the crack value (~1.3 eV) [2].The theory electro-optic transfer efficiency can reaches as high as above 25%[3] In the past decades, these semiconductor attract great interest for their application in photovoltaics, near-infrared detectors and biomedical application.

6. Experimental

7. 7 In this study, chemical oleic acid, (OA, 90%, SHOWA, Japan), and commercial SnO powder (Riedel-de Haen, Germany) were used to form the tin oleate complex, and S powder dissolve in Oleylamine (OLA, 90%, ACROS), were used as the coordinating solvent and a phase transformation controller reagent. The detail synthesis procedure and characterization were shown in Fig. 1. SnO 1 mmolOA 3 mmol Heat to 310°C for 60 min and stir in Argon Sn(OA) 2 5 ml Hexane and 15 ml ethanol contrifugation 5000 rpm with 30 min drying 100°C with 20 min fig1. Flow chart of experimental procedure.

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