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[求助]
ZNO/聚合物制备光电器件
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Polymer based photovoltaic (PV) devices have been stimulating ever increasing interest as a promising alternative for renewable resource of energy . These devices as oppose to conventional silicon solar cells have increasing attention because of their potentials for the production of flexible and large areas solar cell at a remarkable low cost. Several solar cell devices, using conjugated organic materials, have been demonstrated in the last decade . Particularly, over the last few years poly(3-hex- ythiophene) (P3HT) has been used as the polymeric donor in plastic PV research . But the polymer-based devices are still limited in their performance because of the weak absorption in the visible long wavelength, poor charge transport and low stability . Recently, the improvements of performance of the polymer based solar cells have been actively explored through optimization of materials as well as device structures. The imple- mentation of a bulk heterojunction of donors and acceptors semi- conductor increases the efficiency of such solar cells in the great extent. In recent years, various solution processed bulk-hetero- junction PV devices have been reported using p-type conjugated polymers either in combinationwith n-type polymers, fullerenes or with n-type inorganic semiconductor nanoparticles. |
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sltmac
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2楼2011-07-12 16:21:36
sltmac
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【答案】应助回帖
qxgr6110(金币+30, 翻译EPI+1): 太谢谢了 2011-07-12 21:26:59
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聚合物基光伏器件作为一种可供选择的新能源已引起人们越来越广泛的兴趣。这些器件与传统的硅太阳能电池相反，由于它们的可塑性以及低成本从而引起人们广泛的关注。几种结合使用有机材料的太阳能电池器件将在今后数十年得到印证。 尤其地，过去数年来，P3HT已经在塑料PV中作为聚合物给体得到研究。但是聚合物基器件的性能由于在长波下吸附较弱以及电荷迁移率低、稳定性差仍然受到限制。最近，对提升聚合物基太阳能电池的性能的研究越来越多。半导体异质结材料的复合能大幅度提高太阳能电池的效率。近年来，有报道用p型共轭聚合物、n型聚合物或n型无机半导体纳米粒子制备体异质结PV器件 |
3楼2011-07-12 21:14:31