Kekuda, Dhananjaya and Chu, Chih-Wei (2012) Bulk Heterojunction Solar Cells for Energy Harvesting Grown by Spin Coating Process. International Journal of Earth Sciences and Engineering. pp. 473-476. ISSN 0974-5904

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Abstract

The fluorene-bithiophene copolymer, poly[9,9’-dioctyl-fluorene-co-bithiophene] (F8T2) reveals good hole transporting properties and excellent thermotropic liquid crystallinity. It has also well been explored in the area of organic field-effect transistors, with good hole transporting properties. On the basis of the result, it can be expected that the charge transport in F8T2: PCBM is strongly balanced. Therefore, it appears to be one of the most promising candidates among the conjugated polymers for high efficiency polymer solar cell. In this manuscript, we fabricate PV devices based on F8T2 and PCBM. We demonstrate the annealing effect on F8T2: PCBM devices through the nanoscale morphology aspect and clarify how it influences the associated PV performance.

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