In2Se3/CuSe核壳结构微纳粉的合成及其喷涂热处理制备CuInSe2薄膜

doi:10.15541/jim20160179

无机材料学报 ›› 2016, Vol. 31 ›› Issue (10): 1135-1140.DOI: 10.15541/jim20160179

In₂Se₃/CuSe核壳结构微纳粉的合成及其喷涂热处理制备CuInSe₂薄膜

李斌¹, 李英莲¹, 莫淑一¹, 陈明光², 王东生², 龙飞¹

(1. 桂林理工大学材料科学与工程学院, 有色金属材料及其加工新技术教育部重点实验室, 广西高校有色金属清洁冶炼与综合利用重点实验室, 桂林 541004; 2. 广西地凯光伏能源有限公司, 南宁 530003)

收稿日期:2016-03-28 修回日期:2016-04-30 出版日期:2016-10-20 网络出版日期:2016-09-23
作者简介:李斌(1987–), 男, 硕士研究生. E-mail: LB2272679757@163.com
基金资助:
国家自然科学基金(51372044);教育部“新世纪优秀人才支持计划”(NCET-12-0655)

Synthesis of Core-shell Structure In₂Se₃/Cuse Micro/Nano-powders Followed by Coated-rapid Heating Treatment Method for Preparing CuInSe₂ Thin Films

LI Bin¹, LI Ying-Lian¹, MO Shu-Yi¹, CHEN Ming-Guang², WANG Dong-Sheng², LONG Fei¹

(1. Guangxi Key Laboratory in Universities of Clean Metallurgy and Comprehensive Utilization for Non-ferrous Metals Resources, Key Laboratory of Nonferrous Materials and New Processing Technology of Ministry of Education, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China; 2. Guangxi Dikai PV Energy Co., Ltd, Nanning 530003, China)

Received:2016-03-28 Revised:2016-04-30 Published:2016-10-20 Online:2016-09-23
About author:LI Bin. E-mail: LB2272679757@163.com
Supported by:
National Natural Science Foundation of China (51372044);The Program for New Century Excellent Talents in University (NCET-12-0655)

摘要/Abstract

摘要：

分别采用超声微波溶剂热法、常压溶剂热法及高压溶剂热法制备In₂Se₃/CuSe粉体, 研究不同方法制备In₂Se₃/CuSe粉体的物相、形貌, 并利用涂覆-快速热处理法制作薄膜太阳电池吸收层。通过XRD、Raman、FESEM和TEM对样品的物相、形貌和组成进行了表征。结果表明: 超声微波溶剂热法和常压溶剂热法得到的产物是以In₂Se₃+CuSe混合相的形式存在, 高压溶剂热法合成的In₂Se₃/CuSe粉体则呈核壳结构, (以In₂Se₃为核, CuSe为壳)。涂覆-快速热处理法制备CIS薄膜的FESEM照片结果表明, 高压溶剂热法合成的In₂Se₃/CuSe更容易获得平整致密的薄膜。将该CIS薄膜直接用于电池器件的组装, 获得的光电性能参数: V_oc为50 mV, J_sc为8 mA/cm²。

关键词: CIS, 溶剂热法, In₂Se₃/CuSe, 核壳结构, 涂覆法

Abstract:

Different In₂Se₃/CuSe nano-powders were successfully fabricated by ultrasound and microwave solvothermal, atmospheric pressure, or high pressure solvothermal methods. Then the thin film solar cell absorbent layer was prepared through coated-rapid heating treatment system using above nano-powders. The phase, morphology and composition of the powders and CIS film were characterized by XRD, Raman, FESEM, and TEM. The results showed that the ultrasonic microwave solvothermal and atmospheric pressure solvothermal methods produced a mixture of In₂Se₃/CuSe. However, high pressure solvothermal method obtained core-shell structure In₂Se₃/CuSe powders (In₂Se₃-core, CuSe-shell). In addition, FESEM analysis revealed that the In₂Se₃/CuSe powders prepared by high pressure solvothermal method were easier to produce smooth and dense CIS film. The fabricated CIS thin-film solar cell was demonstrated its photoelectric conversion property with open-circuit voltage of 50 mV and short-circuit current density of 8 mA/cm².

Key words: CIS, solvothermal method, In₂Se₃/CuSe, core-Shell, coating method

中图分类号:

TN304

李斌, 李英莲, 莫淑一, 陈明光, 王东生, 龙飞. In₂Se₃/CuSe核壳结构微纳粉的合成及其喷涂热处理制备CuInSe₂薄膜[J]. 无机材料学报, 2016, 31(10): 1135-1140.

LI Bin, LI Ying-Lian, MO Shu-Yi, CHEN Ming-Guang, WANG Dong-Sheng, LONG Fei. Synthesis of Core-shell Structure In₂Se₃/Cuse Micro/Nano-powders Followed by Coated-rapid Heating Treatment Method for Preparing CuInSe₂ Thin Films[J]. Journal of Inorganic Materials, 2016, 31(10): 1135-1140.

图/表 7

图1 粉末样品M的XRD图谱(a), FESEM照片(b)及TEM照片(c)

Fig. 1 XRD pattern (a), FESEM (b) and TEM (c) images of M powder samples

图2 不同工艺合成的粉末样品N的XRD图谱

Fig. 2 XRD patterns of N powder samples synthesized by different methods (a) Ultrasound and microwave solvothermal synthesis method; (b) Atmospheric pressure synthesis method; (c) High pressure solvothermal synthesis method

图3 不同工艺合成的粉末样品N的FESEM照片

Fig. 3 FESEM images of N powder samples synthesized by different methods (a) Ultrasound and microwave solvothermal method; (b) Atmospheric pressure method; (c) High pressure solvothermal method

图4 高压溶剂热法所得In2Se3/CuSe粉体的TEM照片

Fig. 4 TEM image of In2Se3/CuSe powders synthesized by high pressure solvothermal method

图5 快速热处理制备CIS薄膜的表面及截面FESEM照片

Fig. 5 Cross-section and surface FESEM images of CIS thin film after RTP (a) Ultrasound and microwave solvothermal synthesis method; (b) Atmospheric pressure synthesis method; (c) High pressure solvothermal synthesis method

图6 快速热处理得到的CIS薄膜的XRD及拉曼光谱图

Fig. 6 XRD pattern and Raman spectra of the CIS thin film after RTP (a, b) High pressure solvothermal method; (c) Ultrasound and microwave solvothermal method; (d) Atmospheric pressure method

图7 组装的CIS薄膜太阳电池截面照片

Fig. 7 Cross-section SEM images of assembled CIS thin film solar cell

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In₂Se₃/CuSe核壳结构微纳粉的合成及其喷涂热处理制备CuInSe₂薄膜

Synthesis of Core-shell Structure In₂Se₃/Cuse Micro/Nano-powders Followed by Coated-rapid Heating Treatment Method for Preparing CuInSe₂ Thin Films

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