Enhanced Performance of CsPbIBr2 Perovskite Solar Cell by Modified Zinc Oxide Nanorods Array with [6,6]‐Phenyl C61 Butyric Acid

Author:

Yang Jien1,Zhang Meng1,Zhang Qiong2,Qin Chaochao2,Qin Ruiping1,Jain Sagar M.3,Liu Hairui1ORCID

Affiliation:

1. College of Material Science and Engineering Henan Normal University Xinxiang 453007 China

2. School of Physics Henan Normal University Xinxiang 453007 China

3. Concentrated Solar Power Centre for Renewable Energy Systems School of Water Energy and Environment Cranfield University Cranfield MK43 0AL UK

Abstract

AbstractAlthough Metal oxide ZnO is widely used as electron transport layers in all‐inorganic PSCs due to high electron mobility, high transmittance, and simple preparation processing, the surface defects of ZnO suppress the quality of perovskite film and inhibit the solar cells’ performance. In this work, [6,6]‐Phenyl C61 butyric acid (PCBA) modified zinc oxide nanorods (ZnO NRs) is employed as electron transport layer in perovskite solar cells. The resulting perovskite film coated on the zinc oxide nanorods has better crystallinity and uniformity, facilitating charge carrier transportation, reducing recombination losses, and ultimately improving the cells’ performance. The perovskite solar cell with the device configuration of ITO/ZnO nanorods/PCBA/CsPbIBr2/Spiro‐OMeTAD/Au delivers a high short circuit current density of 11.83 mA cm−2 and power conversion efficiency of 12.05 %.

Publisher

Wiley

Subject

General Chemistry,Catalysis,Organic Chemistry

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