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Effects of Solution Processing on the Photovoltaic Response of Poly(n-vinyl carbazole) Films

机译：溶液处理对聚（n-乙烯基咔唑）薄膜光伏响应的影响

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摘要

The effects of solution processing on the photovoltaic response of poly(n-vinyl carbazole) (PVK) films were investigated. PVK films were formed by spincasting onto glass coated with indium tin oxide (ITO) and poly(3,4-ethylenedioxythiophene) (PEDOT)-polystyrenesulfonate (PSS). Some of the PVK films were redissolved in chlorobenzene and redried in the absence or presence of an electric field. Illuminated current voltage characteristics were measured for an ITO/PEDOT:PSS/PVK/Ca:Al device. Films spincast from a 50 mg/mL solution, redissolved, and dried in the absence of the electric field exhibited a 26% higher charge collection efficiency than films dried in the presence of the electric field. The increased charge collection efficiency was attributed to changes in the molecular configuration of the PVK films.
机译：研究了溶液处理对聚（n-乙烯基咔唑）（PVK）薄膜光伏响应的影响。 PVK薄膜通过旋涂到涂有铟锡氧化物（ITO）和聚（3,4-乙撑二氧噻吩）（PEDOT）-聚苯乙烯磺酸盐（PSS）的玻璃上形成。将某些PVK薄膜重新溶解在氯苯中，并在不存在或存在电场的情况下重新干燥。测量了ITO / PEDOT：PSS / PVK / Ca：Al器件的照明电流电压特性。从50 mg / mL溶液中旋铸，重新溶解并在不存在电场的情况下干燥的薄膜，其电荷收集效率比在存在电场的情况下干燥的薄膜高26％。电荷收集效率的提高归因于PVK膜分子结构的变化。

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