锑掺杂氧化锡薄膜的制备及其对硅基太阳能电池工作温度的影响

doi:10.15541/jim20180302

无机材料学报 ›› 2019, Vol. 34 ›› Issue (5): 515-520.DOI: 10.15541/jim20180302

所属专题：光伏材料

锑掺杂氧化锡薄膜的制备及其对硅基太阳能电池工作温度的影响

李策¹,陈爽²,高蕊谦伶²,李然²,侯成义²,王宏志²,谢华清³,张青红²()

^1. 东华大学机械工程学院, 上海 201620
^2. 东华大学材料科学与工程学院, 纤维材料改性国家重点实验室, 上海 201620
^3. 上海第二工业大学环境与材料工程学院, 上海 201209

收稿日期:2018-07-02 修回日期:2018-12-19 出版日期:2019-05-20 网络出版日期:2019-05-14
作者简介:李策(1990-), 男, 实验师. E-mail:ce_li@dhu.edu.cn
基金资助:
中央高校基本科研业务费专项资金自由探索项目(18D110308);上海市自然科学基金(15ZR1401200);上海市优秀学术带头人(16XD1400100);国家自然科学基金(51590902)

Sb-doped Tin Oxide Thin Film: Preparation and Effect on Cooling Silicon Solar Cells

Ce LI¹,Shuang CHEN²,Rui-Qian-Ling GAO²,Ran LI²,Cheng-Yi HOU²,Hong-Zhi WANG²,Hua-Qing XIE³,Qing-Hong ZHANG²()

^1. College of Mechanical Engineering, Donghua University, Shanghai 201620, China
^2. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
^3. College of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai 201209, China

Received:2018-07-02 Revised:2018-12-19 Published:2019-05-20 Online:2019-05-14
Supported by:
Fundamental Research Funds for the Central Universities(18D110308);Shanghai Natural Science Foundation(15ZR1401200);STC of Shanghai(16XD1400100);National Natural Science Foundation of China(51590902)

摘要/Abstract

摘要：

硅基太阳能电池占据着光伏发电的最大份额, 但是在阳光下其工作温度过高会降低电池效率和功率输出, 因此降低硅基太阳能电池在阳光下的工作温度具有重要意义。本研究以氯化亚锡和三氯化锑为原料, 通过简单的溶胶-凝胶法制备锑掺杂氧化锡(ATO)薄膜, 将其作为硅电池盖板, 研究了锑(Sb)掺杂量和薄膜厚度对薄膜红外阻隔性能和硅电池降温性能的影响。研究表明, ATO薄膜的红外遮蔽性能随薄膜厚度增加而提高, 但可见光透过率随之降低。用AM1.5太阳光持续照射30 min后, 使用旋涂1~4层ATO薄膜盖板的硅电池温度比使用普通玻璃盖板的电池最大降低2.7 ℃, 晶硅电池效率可以保持在10.79%以上。此外, 使用10mol%锑掺杂的3层ATO薄膜盖板的硅电池在连续光照30 min后, 温度比使用普通玻璃盖板最大降低1.5 ℃, 效率提高了0.43%。

关键词: 锑掺杂氧化锡, 红外阻隔薄膜, 降温, 硅基太阳能电池

Abstract:

Silicon-based solar cells occupy the largest share of photovoltaic industry, but their efficiency decreases due to the high operating temperatures under sunlight, which reduces their power output. Thus, cooling the silicon based solar cells under irradiation is very important. In this study, Sb-doped tin oxide ATO thin films, working as the cover plate of silicon-based solar cells, were deposited on glass substrates by Sol-Gel spin-coating method, with SnCl₂·H₂O and SbCl₃ as raw materials. Influence of Sb doping and film thickness on the heat shielding property and the performance of solar cells were investigated. As a result, the shielding performance of the ATO films was improved with the increase of the thickness, while its transmittance reduces with the increase of the thickness. Compared with ordinary glass cells, temperature of solar cells with spin-coated ATO thin films of 1 to 4 layers decreases by 2.7 ℃, and their efficiency keeps over 10.79% after being irradiated by AM1.5 solar simulator for 30 min. What’s more, the ATO doped with 10mol% Sb performs the best thermal insulation. Efficiency of silicon solar cell covered with 10mol% Sb-doped ATO film increases by 0.43% as compared with blank after being irradiated by solar simulator for 30 min.

Key words: Sb-doped tin oxide, infrared shielding films, cooling, silicon solar cell

中图分类号:

TQ174

李策, 陈爽, 高蕊谦伶, 李然, 侯成义, 王宏志, 谢华清, 张青红. 锑掺杂氧化锡薄膜的制备及其对硅基太阳能电池工作温度的影响[J]. 无机材料学报, 2019, 34(5): 515-520.

Ce LI, Shuang CHEN, Rui-Qian-Ling GAO, Ran LI, Cheng-Yi HOU, Hong-Zhi WANG, Hua-Qing XIE, Qing-Hong ZHANG. Sb-doped Tin Oxide Thin Film: Preparation and Effect on Cooling Silicon Solar Cells[J]. Journal of Inorganic Materials, 2019, 34(5): 515-520.

图/表 8

图1 (a)ATO薄膜的隔热原理, (b)ATO薄膜的制备示意图, (c)溶胶的TEM照片以及(d)ATO薄膜的XRD图谱

Fig. 1 (a) Heat insulation principles of ATO thin films, (b) deposition schematic of ATO thin films, (c) TEM image of ATO sol, and (d) XRD patterns of sol and ATO thin films with different layers

图2 10mol% Sb的ATO溶胶的旋涂(a)2次、(b)3次、(c)5次和(d)7次ATO薄膜的FESEM照片

Fig. 2 FESEM images of 10mol% ATO thin film with (a) 2 layers, (b) 3 layers, (c) 5 layers, and (d) 7 layer

图3 旋涂不同次数所得ATO薄膜透过光谱图

Fig. 3 Optical transmission spectra of ATO films with different layers

图4 不同ATO涂层硅基太阳能电池在光照30 min内的(a)温度-时间曲线和(b)效率-时间曲线

Fig. 4 (a) Temperature-time curves and (b) efficiency-time curves of the silicon solar cell with different ATO layers irradiated by solar simulator within 30 min

图5 不同Sb掺杂量ATO薄膜的XRD图谱

Fig. 5 XRD patterns of ATO films doped with different nominal Sb

图6 不同Sb掺杂量ATO薄膜的透过率图谱(a)和Tauc关系曲线(b)

Fig. 6 (a) Optical transmission spectra and (b) Tauc plots of the (αhν)2 versus hν curves of ATO films doped with different Sb contents

图7 不同Sb掺杂量ATO薄膜中Sb 3d高分辨XPS图谱

Fig. 7 XPS spectra of ATO films doped with different Sb contents

图8 不同Sb掺杂量的3层ATO涂层硅基太阳能电池在光照30 min内的温度-时间曲线(a)和效率-时间曲线(b)

Fig. 8 (a) Temperature-time curves and (b) efficiency-time curves of the silicon solar cell with three ATO layers doped with different Sb contents and irradiated by solar simulator within 30 min

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锑掺杂氧化锡薄膜的制备及其对硅基太阳能电池工作温度的影响

Sb-doped Tin Oxide Thin Film: Preparation and Effect on Cooling Silicon Solar Cells

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