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首页> 外文会议>European Photovoltaic Solar Energy Conference and Exhibition >EFFECT OF SE FLUX ON THE PROPERTIES OF POLYCRYSTALLINE CUINSE2 THIN FILMS AND SOLAR CELLS
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EFFECT OF SE FLUX ON THE PROPERTIES OF POLYCRYSTALLINE CUINSE2 THIN FILMS AND SOLAR CELLS

机译：SE通量对多晶Quinse2薄膜和太阳能电池性能的影响

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Polycrystalline CuInSe_2 thin films were deposited by three-stage evaporation method. During growth of the films, Cu and In beam flux (measured as beam equivalent pressure, BEP) were kept constant, while Se beam flux was varied to investigate the impact of Se flux on the structural and electrical properties of the films. In general film-quality becomes better with increasing Se beam pressure associated with larger grain size and better surface morphology. CuInSe_2 crystal becomes more (220)/(204) oriented with Se flux. With a decrease in the Se flux, resistivity of the CuInSe_2 films increases along with a decrease of majority hole carriers. This is probably due to formation of the Se-vacancy and/or vacancy complex. Effect of Se flux on the composition of the CuInSe_2 materials has been discussed. Solar cell performance was found to be strongly correlated to the Se flux condition during deposition of the CuInSe_2 absorber layer. Sufficient Se flux was found to be effective to reduce various Se-deficiency related defect complexes and thereby to get better solar cell performances.
机译：通过三级蒸发方法沉积多晶CuinSe_2薄膜。在薄膜的生长期间，Cu和梁通量（测量为光束当量压力，BEP）保持恒定，而SE束通量变化以研究SE通量对膜的结构和电性能的影响。通常，随着与粒度较大和更好的表面形态相关的SE光束压力，薄膜质量变得更好。 Cuinse_2晶体变得更加（220）/（204），其定向为SE通量。随着SE通量的降低，CuinSe_2膜的电阻率随着多数孔载体的减少而增加。这可能是由于形成SE空位和/或空位复合物的形成。讨论了SE通量对CuinSe_2材料组成的影响。发现太阳能电池性能与CuinSe_2吸收层沉积期间与SE通量条件强烈相关。发现足够的SE助焊剂有效地减少各种SE缺乏相关缺陷复合物，从而获得更好的太阳能电池性能。

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