Effect of Annealing Process on CH3NH3PbI3-XClX Film Morphology of Planar Heterojunction Perovskite Solar Cells with Optimal Compact TiO2 Layer

Joint Authors

Zhang, Ningning
Zou, Xiaoping
Chen, Dan
Yang, Hong
Jin, Wenbin
Bai, Xiao
Yang, Ying

Source

International Journal of Photoenergy

Issue

Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-9, 9 p.

Publisher

Hindawi Publishing Corporation

Publication Date

2017-11-08

Country of Publication

Egypt

No. of Pages

9

Main Subjects

Chemistry

Abstract EN

The morphology of compact TiO2 film used as an electron-selective layer and perovskite film used as a light absorption layer in planar perovskite solar cells has a significant influence on the photovoltaic performance of the devices.

In this paper, the spin coating speed of the compact TiO2 is investigated in order to get a high-quality film and the compact TiO2 film exhibits pinhole- and crack-free films treated by 2000 rpm for 60 s.

Furthermore, the effect of annealing process, including annealing temperature and annealing program, on CH3NH3PbI3-XClX film morphology is studied.

At the optimal annealing temperature of 100°C, the CH3NH3PbI3-XClX morphology fabricated by multistep slow annealing method has smaller grain boundaries and holes than that prepared by one-step direct annealing method, which results in the reduction of grain boundary recombination and the increase of Voc.

With all optimal procedures, a planar fluorine-doped tin oxide (FTO) substrate/compact TiO2/CH3NH3PbI3-XClX/Spiro-MeOTAD/Au cell is prepared for an active area of 0.1 cm2.

It has achieved a power conversion efficiency (PCE) of 14.64%, which is 80.3% higher than the reference cell (8.12% PCE) without optimal perovskite layer.

We anticipate that the annealing process with optimal compact TiO2 layer would possibly become a promising method for future industrialization of planar perovskite solar cells.

American Psychological Association (APA)

Chen, Dan& Zou, Xiaoping& Yang, Hong& Zhang, Ningning& Jin, Wenbin& Bai, Xiao…[et al.]. 2017. Effect of Annealing Process on CH3NH3PbI3-XClX Film Morphology of Planar Heterojunction Perovskite Solar Cells with Optimal Compact TiO2 Layer. International Journal of Photoenergy،Vol. 2017, no. 2017, pp.1-9.
https://search.emarefa.net/detail/BIM-1168387

Modern Language Association (MLA)

Chen, Dan…[et al.]. Effect of Annealing Process on CH3NH3PbI3-XClX Film Morphology of Planar Heterojunction Perovskite Solar Cells with Optimal Compact TiO2 Layer. International Journal of Photoenergy No. 2017 (2017), pp.1-9.
https://search.emarefa.net/detail/BIM-1168387

American Medical Association (AMA)

Chen, Dan& Zou, Xiaoping& Yang, Hong& Zhang, Ningning& Jin, Wenbin& Bai, Xiao…[et al.]. Effect of Annealing Process on CH3NH3PbI3-XClX Film Morphology of Planar Heterojunction Perovskite Solar Cells with Optimal Compact TiO2 Layer. International Journal of Photoenergy. 2017. Vol. 2017, no. 2017, pp.1-9.
https://search.emarefa.net/detail/BIM-1168387

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references

Record ID

BIM-1168387