Issue 74, 2017, Issue in Progress
From the journal:

RSC Advances

Large-area electrospray-deposited nanocrystalline CuXO hole transport layer for perovskite solar cells†

Ian Y. Y. Bu, ORCID logo a   Yaw-Shyan Fu, ORCID logo *a   Jian-Fu Lia  and  Tzung-Fang Guobc  

* Corresponding authors

a Department of Greenergy, National University of Tainan, Taiwan
E-mail: ysfu@mail.nutn.edu.tw

b Department of Photonics, National Cheng Kung University, Tainan, Taiwan

c Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, Taiwan

Abstract

Spin-coating deposition is widely employed for the fabrication of perovskite solar cells (PSCs) due to its conformal coating ability and simple set-up. Although spin-coating deposition is a proven technique for obtaining high-performance PSCs, it is a single-substrate process with low throughput and is therefore unsuitable for commercial PSC production. Herein, we report an industrial-production-compatible electrospray deposition process for the preparation of the hole transport layer (HTL) and active layer in PSCs. Using electrosprayed CuXO as the HTL, we fabricated a solar cell with a power conversion efficiency of 5.83%, a short-circuit current density of 17.22 mA cm2, an open circuit voltage of 0.7 V, and a fill factor of 0.48. This device outperforms PSCs (with identical device structure) fabricated using a PEDOT:PSS film (efficiency: 4.01%).

Graphical abstract: Large-area electrospray-deposited nanocrystalline CuXO hole transport layer for perovskite solar cells

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Article information

DOI
https://doi.org/10.1039/C7RA07725D
Article type
Paper
Submitted
14 Jul 2017
Accepted
20 Sep 2017
First published
03 Oct 2017
This article is Open Access
Creative Commons BY license

RSC Adv., 2017,7, 46651-46656

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Large-area electrospray-deposited nanocrystalline CuXO hole transport layer for perovskite solar cells

I. Y. Y. Bu, Y. Fu, J. Li and T. Guo, RSC Adv., 2017, 7, 46651 DOI: 10.1039/C7RA07725D

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