Charge-Carrier Balance for Highly Efficient Inverted Planar Heterojunction Perovskite Solar Cells

Ke Chen; Qin Hu; Tanghao Liu; Lichen Zhao; Deying Luo; Jiang Wu; Yifei Zhang; Wei Zhang; Feng Liu; Thomas P Russell; Rui Zhu; Qihuang Gong

doi:10.1002/adma.201604048

Charge-Carrier Balance for Highly Efficient Inverted Planar Heterojunction Perovskite Solar Cells

Adv Mater. 2016 Dec;28(48):10718-10724. doi: 10.1002/adma.201604048. Epub 2016 Oct 17.

Authors

Ke Chen¹, Qin Hu^{1

2

3}, Tanghao Liu¹, Lichen Zhao¹, Deying Luo¹, Jiang Wu¹, Yifei Zhang¹, Wei Zhang⁴, Feng Liu^{3

5}, Thomas P Russell^{3

6}, Rui Zhu^{1

2

7}, Qihuang Gong^{1

2

7}

Affiliations

¹ State Key Laboratory for Artificial Microstructure and Mesoscopic Physics, Department of Physics, Peking University, Beijing, 100871, China.
² Collaborative Innovation Center of Quantum Matter, Beijing, 100871, China.
³ Materials Sciences Division, Lawrence Berkeley National Laboratory, CA, 94720, USA.
⁴ School of Chemistry, Joseph Banks Laboratories, University of Lincoln, Beevor Street, Lincoln, LN6 7DL, UK.
⁵ Department of Physics, Shanghai Jiao Tong University, Shanghai, 200240, China.
⁶ Department of Polymer Science and Engineering, University of Massachusetts, Amherst, MA, 01003, USA.
⁷ Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi, 030006, China.

PMID: 27748987
DOI: 10.1002/adma.201604048

Abstract

The charge-carrier balance strategy by interface engineering is employed to optimize the charge-carrier transport in inverted planar heterojunction perovskite solar cells. N,N-Dimethylformamide-treated poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) and poly(methyl methacrylate)-modified PCBM are utilized as the hole and electron selective contacts, respectively, leading to a high power conversion efficiency of 18.72%.

Keywords: charge-carrier balance; interface engineering; inverted planar heterojunction; perovskite solar cells.