Interactions in GO/P3HT thin films: Spectroscopic investigation for organic solar cells

被引:0
|
作者
Molefe, Fokotsa V. [1 ,2 ]
Mothudi, Bakang M. [1 ,2 ]
Dhlamini, Mokhotjwa S. [2 ]
Diale, Mmantsae [1 ]
机构
[1] Univ Pretoria, Dept Phys, Private Bag 1020, ZA-0028 Hatfield, South Africa
[2] Univ South Africa, Dept Phys, Private Bag 1090, ZA-1710 Florida, South Africa
关键词
GRAPHENE OXIDE; POLY; 3-HEXYLTHIOPHENE; POLY(3-HEXYLTHIOPHENE); PERFORMANCE; COMPOSITE; EFFICIENT; P3HT;
D O I
10.1557/s43580-024-00956-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The present study was carried out to investigate the thin film properties of poly (3-hexylthiophene) (P3HT) coupled with graphene oxide (GO) using different spectroscopic techniques. The X-ray diffraction spectrum of GO/P3HT revealed a highly crystalline reflection of GO which is slightly shifted to higher diffraction angles as evidence of interaction with P3HT. Fourier transform infrared confirmed the alteration of P3HT structure upon interaction with GO by the increase in average conjugation length. The reflectance spectrum of GO/P3HT has an observable decrease in percentage reflectance, leading to an enhancement of light absorption. The fluorescent decay curves revealed a decline in exciton lifetime depicting quicker charge transfer, which decreased the exciton diffusion length. Our findings suggest that GO can be the hole transport material in organic solar cells.Graphical abstractSynthesis of GO/P3HT
引用
收藏
页码:1548 / 1553
页数:6
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