苏丹染料掺杂聚(l -色氨酸)、聚(5-羟基- l -色氨酸)和P(TER-CO-TRI)二元和三元薄膜的光学和光电子研究

IF 1.2 Q3 MULTIDISCIPLINARY SCIENCES ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY Pub Date : 2023-04-17 DOI:10.14500/aro.11103
Barham K. Rahim, Peshawa O. Amin, F. Muhammadsharif, S. Saeed, Kamal A. Ketuly
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引用次数: 1

摘要

本文研究了由两个电子受体聚(l -色氨酸)和聚(5-羟基- l -色氨酸)与一个电子给体P(TER-CO-TRI)掺杂苏丹红染料组成的二元和三元复合薄膜的光学性质和光电学参数。采用自旋镀膜技术在玻璃基板上制备了不同体积比组分的薄膜。结果表明,将染料掺杂到聚(l -色氨酸):P(TRI-co-TER)(1:2)和聚(5-羟基- l -色氨酸):P(TRI-co-TER)(1:2)二元体系中,折射率由2.01提高到2.32。研究发现薄膜中的电子跃迁性质为直接允许跃迁,由Tauc方程导出。采用循环伏安法(CV)和吸收光谱相结合的方法测定了聚合物样品的分子能级、HOMO和LUMO。结果表明,poly(l - tryptophan):P(TRI-co-TER):Sudan dye(1:2:2)的混合物能隙提高到2.95 eV,实际光导率()约为433.11 S.cm-1。根据研究结果,所研究的聚合物在半透明有机太阳能电池中具有很大的潜力。
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Optical and Optoelectronic Studies of Binary and Ternary Films of Poly(L-Tryptophane), Poly(5-hydroxy-L-tryptophane), and P(TER-CO-TRI) Doped with Sudan Dye
In this work, the optical properties and optoelectronics parameters of binary and ternary composite films made of two electron acceptors, poly(L-Tryptophane) and poly(5-hydroxy-L-Tryptophane), with an electron donor, P(TER-CO-TRI), doped with Sudan dyes, are comprehensively investigated. The films with different volumetric ratios of the components were deposited onto the glass substrates using spin coating technique. Results showed that with the help of dye doping into the binary systems of poly(L-Tryptophane):P(TRI-co-TER) (1:2) and poly(5-hydroxy-L-Tryptophane):P(TRI-co-TER)(1:2), the refractive index was increased from 2.01 to 2.32. The nature of the electronic transition in the studied films was found to be a direct allowed transition, which was derived from Tauc’s equation. The combination of Cyclic voltammetry (CV) technique and absorption spectroscopy was used to determine the molecular energy levels, HOMO and LUMO of the polymer samples. It was seen that the mixture of poly(L-Tryptophane):P(TRI-co-TER):Sudan dye (1:2:2) has led to increase the energy gap to 2.95 eV and the real optical conductivity ( ) to about 433.11 S.cm-1. According to the findings, the investigated polymers can have a great potential for semitransparent organic solar cells.
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ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY
ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY MULTIDISCIPLINARY SCIENCES-
自引率
33.30%
发文量
33
审稿时长
16 weeks
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