High‐Efficient Flexible Perovskite Solar Cells with Low Temperature TiO 2  Layer via UV/Ozone Photo‐Annealing Treatment | Zendy

Chu Yinhuan | Zendy; Cai Hongkun | Zendy; Huang Like | Zendy; Xing Zhixue | Zendy; Du Yangyang | Zendy; Ni Jian | Zendy; Li Juan | Zendy; Zhang Jianjun | Zendy

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High‐Efficient Flexible Perovskite Solar Cells with Low Temperature TiO 2 Layer via UV/Ozone Photo‐Annealing Treatment

Author(s) -

Chu Yinhuan,

Cai Hongkun,

Huang Like,

Xing Zhixue,

Du Yangyang,

Ni Jian,

Li Juan,

Zhang Jianjun

Publication year - 2019

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.201800669

Subject(s) - annealing (glass) , materials science , ozone , amorphous solid , perovskite (structure) , energy conversion efficiency , chemical engineering , optoelectronics , perovskite solar cell , composite material , chemistry , organic chemistry , engineering

A facile and low‐temperature solution processed UV/ozone process has been proposed for fabricating TiO 2 layer, making it possible to fabricate planar perovskite solar cells at low temperature. UV/ozone photo‐annealing treatment could easily eliminate the organic components, resulting in high quality amorphous TiO 2 films with high transparency, electrical conductivity, and hydrophilicity. In addition, perovskite solar cells with the UV/ozone‐treated TiO 2 electron transport layer exhibiting the best power conversion efficiency of 11.58% for rigid substrate and 7.33% for flexible substrate, respectively. The results clearly indicate that UV/ozone photo‐annealing treatment is a simple and effective process of fabricating high performance flexible perovskite solar cells.

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