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多晶硅光太阳能电池的知识
来源:http://www.sdlntyn.com 发布时间:2016-4-20 15:48:11 浏览次数:581
P-Si(多晶硅,包括微品)光电池没有光致衰退效应,材料质量有所下降时也不会导致光电池受影响,是国际上正掀起的前沿性研究热点。在单晶硅衬底上用液相外延制备的p-Si光电池转换效率为15.3%,经减薄衬底,加强陷光等加工,可提高到23.7%,用CVD法制备的转换效率约为12.6―l7.3%。
P-Si (polycrystalline silicon, including micro) optical cells did not have the effect of light induced decline, the quality of materials has declined, it will not lead to the impact of light cells, is a leading international research hotspot. The conversion efficiency of p-Si photo cell prepared by liquid phase epitaxy on silicon substrate is 15.3%, which can be improved by 23.7%. The conversion efficiency of CVD method is about 12.6 l7.3%.
采用廉价衬底的p―si薄膜生长方法有PECVD和热丝法,或对a―si:H材料膜进行后退火,达到低温固相晶化,可分别制出效率9.8%和9.2%的无退化电池。微晶硅薄膜生长与a―si工艺相容,光电性能和稳定性很高,研究受到很大重视,但效率仅为7.7%大面积低温p―si膜与―si组成叠层电池结构,是提高比a―S光电池稳定性和转换效率的重要途径,可更充分利用太阳光谱,理论计算表明其效率可在28%以上,将使硅基薄膜光电池性能产生突破性进展。
P Si thin film growth method using cheap substrate has PECVD and hot filament method, or on the si:H a material film after annealing, to achieve low temperature solid phase crystallization, can make the efficiency of 9.8% and 9.2% of the non degradation cell. Microcrystalline silicon thin film growth and a - Si process compatibility and photoelectric performance and stability is very high, the studies have been limited by a great attention, but efficiency is only 7.7% of large area low temperature p - Si film and - Si consisting of stacked cell structure, is to improve than a - s light battery stability and conversion efficiency of important ways, can more fully utilize the solar spectrum, the theoretical calculation shows that its efficiency in more than 28%, will enable the silicon based thin film solar cell performance produce a breakthrough progress.
铜烟硒光电池CIS(铜锁硒)薄膜光电池己成为国际先伏界研究开发的热门课题,它具有转换效率高(已达到17.7%),性能稳定,制造成本低的特点。CIS光电池一般是在玻璃或其它廉价衬底上分别沉积多层膜而构成的,厚度可做到2-3μrn,吸收层CIS膜对电池性能起着决定性作用。
Copper smoke selenium cell CIS (Tong Suoxi) film photocell has become hot topic in the international research and development of the first V, it has high conversion efficiency (reached 17.7%), stable performance, low manufacturing cost. The CIS solar battery is generally in the glass or other inexpensive substrates were deposited multilayer films formed by thickness can be 2-3 RN, the absorption layer of CIS film plays a decisive role on battery performance.
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