Preparation of P3HT/PC61BM/ZnO organic-inorganic composite planar heterojunction photodetectors

Shuangyu Wang; Dayong Jiang; Man Zhao; Haoda Li; Hepeng Zhao; Hongshang Han; Songqi Zhao

doi:10.1117/12.3033900

5 July 2024 Preparation of P3HT/PC61BM/ZnO organic-inorganic composite planar heterojunction photodetectors

Shuangyu Wang, Dayong Jiang, Man Zhao, Haoda Li, Hepeng Zhao, Hongshang Han, Songqi Zhao

Proceedings Volume 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024); 1318324 (2024) https://doi.org/10.1117/12.3033900
Event: The 3rd International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 2024, Wuhan, China

Abstract

This article reports the preparation and research of poly(3-hexylthiophene) (P3HT)/[6,6]-phenyl C61-butyric acid methyl ester (PC61BM)/Zinc oxide (ZnO) UV-visible dual-band photodetectors (PDs). At room temperature, ZnO, PC61BM and P3HT films were deposited on the FTO substrate using radio frequency magnetron sputtering technology and sol-gel technology respectively. A selective planar heterojunction organic photodetector was prepared using p-type polymer P3HT and n-type fullerene acceptor PC61BM as double active layers. Controlling phase separation in a binary complex system of donor and acceptor to improve hole extraction efficiency. This heterojunction has good UV-visible detection capabilities. Under a 2 V bias condition, the PD has a UV-visible dual-band response, with a peak at 380 nm of 0.072 A/W, and high wavelength selectivity. This demonstrates a facile method to prepare an organic-inorganic composite photodetector with high performance.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Shuangyu Wang, Dayong Jiang, Man Zhao, Haoda Li, Hepeng Zhao, Hongshang Han, and Songqi Zhao "Preparation of P3HT/PC61BM/ZnO organic-inorganic composite planar heterojunction photodetectors", Proc. SPIE 13183, International Conference on Optoelectronic Information and Functional Materials (OIFM 2024), 1318324 (5 July 2024); https://doi.org/10.1117/12.3033900

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KEYWORDS

Heterojunctions

Zinc oxide

Organic photodetectors

Transparent conductors

Sensors

Sputter deposition

Thin films

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