有机-无机混合光电电池中激子的收集和电荷输运的改善

63rd Device Research Conference Digest, 2005. DRC '05. Pub Date : 2005-06-22 DOI:10.1109/DRC.2005.1553095

M. McGehee, Yuxiang Liu, C. Goh, V. Gowrishankar, B. Srinivasan, S. Scully

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引用次数: 0

摘要

作者叙述了聚合物-二氧化钛和聚合物-氧化铝体系中激子扩散和电荷输运的研究。我们发现MDMO-PPV中激子的有效扩散长度为12 nm，如果使用两种聚合物促进有效的福斯特能量传递，则激子的有效扩散长度可以更大，并且电荷载流子迁移率高于10 -;通过在纳米孔中排列链，与区域规则聚(3-己基噻吩)在相关方向上可以获得3 cm2/Vs

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Harvesting excitons and improving charge transport in organic-inorganic hybrid photovoltaic cells

The authors describe the studies of exciton diffusion and charge transport in polymer-titania and polymer-alumina systems. We show that the exciton diffusion length is 12 nm in MDMO-PPV, the effective exciton diffusion length can be even larger if two polymers are used to promote efficient Forster energy transfer, and charge carrier mobilities higher than 10minus;3 cm2/Vs can be obtained in the relevant direction with regioregular poly(3-hexyl thiophene) by aligning the chains in nanopores

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63rd Device Research Conference Digest, 2005. DRC '05.

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