氧化钼对CdTe电池性能影响的理论研究任务书
2020-06-09 22:41:18
1. 毕业设计(论文)的内容和要求
碲化镉(cdte)是Ⅱ-Ⅵ族化合物半导体,带隙1.5ev,与太阳光谱非常匹配,是一种优异的光伏材料,基于该材料的电池一直被光伏界高度重视,并被美国的first solar公司大规模商业化,在光伏市场获得广泛认可。
不过,电池存在的最大难题是cdte功函数太高,难有合适的金属电极与之形成稳定的欧姆接触,大部分的金属与cdte之间只能形成肖特基势垒,阻碍了空穴的传输和收集,影响电池性能。
因此,寻找合适的缓冲层来降低势垒高度显得十分关键。
2. 参考文献
[1] Hansen G L, Schmit J L, Casselman T N. Energy gap versus alloy composition and temperature in Hg1#8722; xCdxTe [J]. Journal of Applied Physics, 1982, 53(10): 7099-7101. [2] Rothwarf A, B#246;er K W. Direct conversion of solar energy through photovoltaic cells[J]. Progress in Solid State Chemistry, 1975, 10: 71-102. [3] Shockley W, Queisser H J. Detailed balance limit of efficiency of p-n junction solar cells[J]. Journal of Applied Physics, 1961, 32(3): 510-519. [4] Terheggen M, Heinrich H, Kostorz G, et al. Analysis of bulk and interface phenomena in CdTe/CdS thin-film solar cells[J]. Interface Science, 2004, 12(2-3): 259-266. [5] Burgelman M, Verschraegen J, Degrave S, et al. Analysis of CdTe solar cells in relation to materials issues[J]. Thin Solid Films, 2005, 480: 392-398. [6] Patterson M H, Williams R H. Schottky barriers at metal-CdTe interfaces[J]. Vacuum, 1981, 31(10-12): 639-643. [7] Gretener C, Perrenoud J, Kranz L, et al. Development of MoOx thin films as back contact buffer for CdTe solar cells in substrate configuration[J]. Thin Solid Films, 2013, 535: 193-197. [8] Hsiao K J, Sites J R. Electron reflector to enhance photovoltaic efficiency: application to thin-film CdTe solar cells[J]. Progress in Photovoltaics: Research and Applications, 2012, 20(4): 486-489. [9] Niemegeers A, Burgelman M. Numerical modelling of ac-characteristics of CdTe and CIS solar cells[C]//Proceedings of the 25th IEEE Photovoltaic Specialists Conference. Washington: IEEE, 1996: 901-904. [10] Burgelman M, Nollet P, Degrave S. Modelling polycrystalline semiconductor solar cells[J]. Thin Solid Films, 2000, 361: 527-532. [11] Gloeckler M, Fahrenbruch A L, Sites J R. Numerical modeling of CIGS and CdTe solar cells: setting the baseline[C]//Proceedings of the 3rd World Conference on Photovoltaic Energy Conversion. Osaka :IEEE, 2003, 1: 491-494. [12] Albin D S, Demtsu S H, McMahon T J. Film thickness and chemical processing effects on the stability of cadmium telluride solar cells[J]. Thin Solid Films, 2006, 515(4): 2659-2668. [13] Hsiao K J. Energy-band barrier to improve open-circuit voltage of CdTe solar cells[J]. Solar Energy Materials and Solar Cells, 2014, 120: 647-653. [14] Reese M O, Perkins C L, Burst J M, et al. Intrinsic surface passivation of CdTe[J]. Journal of Applied Physics, 2015, 118(15): 155305. [15] Korevaar B A, Cournoyer J R, Sulima O, et al. Role of oxygen during CdTe growth for CdTe photovoltaic devices[J]. Progress in Photovoltaics: Research and Applications, 2014, 22(10): 1040-1049.
3. 毕业设计(论文)进程安排
2016.12.12-2017.1.2,文献调研,完成开题报告 1.3-1.13,完成英文翻译 3.14-4.21,深刻理解CdTe太阳能电池原理,学习和掌握AMPS-1D 4.22-5.5,进行模拟、初步分析结果和中期检查 5.6-5.26,进一步完善模拟结果,并分析全部数据 5.27-6.2,论文撰写 6.3-6.6,论文修改 6.7-6.14,准备PPT,答辩