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Formation of nanostructures on the surface of CIGS films by picosecond laser with different beam patterns
Yang, Huizhu1; Jiang, Gedong1; Wang, Wenjun1; Mei, Xuesong1; Li, Ming2
2018
会议名称Photonics for Solar Energy Systems VII 2018
会议录名称Photonics for Solar Energy Systems VII
卷号10688
会议日期2018-04-23
会议地点Strasbourg, France
出版者SPIE
产权排序2
摘要As direct band gap semiconductor, CIGS thin film solar cells has developed rapidly in recent years. Nano-ripples on transparent layer of CIGS solar cells can improve the light absorption. The photoelectric conversion efficiency improved and the thickness of solar cell decreased with the requirement of optical absorptivity. This study proposed a key technological point concerning the obtainment of perfect LIPSSs using picosecond laser with different beam pattern. Linear sweep in parallel to the laser polarization direction was performed using a Nd:VAN laser system with 10-ps Qswitched pulsed at a central wavelength of 532 nm with a repetition rate of 1 kHz. The nanostructure with different characteristics were obtained at different laser fluence and scanning speed which was focused with circular spot. The linear spot pattern can improve the processing efficiency greatly. In this way, three kind of morphologies were obtained successfully at the same parameter, which was useful for processing different kind of nanostructures. To our knowledge, it is the first time that we report the LIPSSs formed on CIGS absorber layers. Thus, the proposed technique can be considered to be a promising method for the laser machining of special nonmetal films. © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.
作者部门瞬态光学技术国家重点实验室
DOI10.1117/12.2306814
收录类别EI
ISBN号9781510619029
语种英语
ISSN号0277786X;1996756X
EI入藏号20183705802736
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/30621
专题瞬态光学技术国家重点实验室
作者单位1.State Key Laboratory for Manufacturing System Engineering xi'An Jiaotong University, Xi'an; 710054, China;
2.Xi' An Institute of Optics and Precision Mechanics of CAS, Xi'an; 710119, China
推荐引用方式
GB/T 7714
Yang, Huizhu,Jiang, Gedong,Wang, Wenjun,et al. Formation of nanostructures on the surface of CIGS films by picosecond laser with different beam patterns[C]:SPIE,2018.
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