Combustion Synthesized Zinc Oxide Electron-Transport Layers for Efficient and Stable Perovskite Solar Cells

Ding Zheng; Gang Wang; Wei Huang; Binghao Wang; Weijun Ke; Jenna Leigh Logsdon; Hanyu Wang; Zhi Wang; Weigang Zhu; Junsheng Yu; Michael R. Wasielewski; Mercouri G. Kanatzidis; Tobin J. Marks; Antonio Facchetti

doi:10.1002/adfm.201900265

Combustion Synthesized Zinc Oxide Electron-Transport Layers for Efficient and Stable Perovskite Solar Cells

Ding Zheng, Gang Wang, Wei Huang, Binghao Wang, Weijun Ke, Jenna Leigh Logsdon, Hanyu Wang, Zhi Wang, Weigang Zhu, Junsheng Yu, Michael R. Wasielewski, Mercouri G. Kanatzidis, Tobin J. Marks, Antonio Facchetti

Northwestern University

Research output: Contribution to journal › Article

35 Citations (Scopus)

Abstract

Perovskite solar cells (PSCs) have advanced rapidly with power conversion efficiencies (PCEs) now exceeding 22%. Due to the long diffusion lengths of charge carriers in the photoactive layer, a PSC device architecture comprising an electron- transporting layer (ETL) is essential to optimize charge flow and collection for maximum performance. Here, a novel approach is reported to low temperature, solution-processed ZnO ETLs for PSCs using combustion synthesis. Due to the intrinsic passivation effects, high crystallinity, matched energy levels, ideal surface topography, and good chemical compatibility with the perovskite layer, this combustion-derived ZnO enables PCEs approaching 17–20% for three types of perovskite materials systems with no need for ETL doping or surface functionalization.

Original language	English
Article number	1900265
Journal	Advanced Functional Materials
Volume	29
Issue number	16
DOIs	https://doi.org/10.1002/adfm.201900265
Publication status	Published - Apr 18 2019

Keywords

combustion synthesize
electron-transporting layer
intrinsic passivation
perovskite solar cell
zinc oxide

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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Zheng, D., Wang, G., Huang, W., Wang, B., Ke, W., Logsdon, J. L., Wang, H., Wang, Z., Zhu, W., Yu, J., Wasielewski, M. R., Kanatzidis, M. G., Marks, T. J., & Facchetti, A. (2019). Combustion Synthesized Zinc Oxide Electron-Transport Layers for Efficient and Stable Perovskite Solar Cells. Advanced Functional Materials, 29(16), [1900265]. https://doi.org/10.1002/adfm.201900265

Combustion Synthesized Zinc Oxide Electron-Transport Layers for Efficient and Stable Perovskite Solar Cells. / Zheng, Ding; Wang, Gang; Huang, Wei; Wang, Binghao; Ke, Weijun; Logsdon, Jenna Leigh; Wang, Hanyu; Wang, Zhi; Zhu, Weigang; Yu, Junsheng; Wasielewski, Michael R.; Kanatzidis, Mercouri G.; Marks, Tobin J.; Facchetti, Antonio.

In: Advanced Functional Materials, Vol. 29, No. 16, 1900265, 18.04.2019.

Research output: Contribution to journal › Article

Zheng, Ding ; Wang, Gang ; Huang, Wei ; Wang, Binghao ; Ke, Weijun ; Logsdon, Jenna Leigh ; Wang, Hanyu ; Wang, Zhi ; Zhu, Weigang ; Yu, Junsheng ; Wasielewski, Michael R. ; Kanatzidis, Mercouri G. ; Marks, Tobin J. ; Facchetti, Antonio. / Combustion Synthesized Zinc Oxide Electron-Transport Layers for Efficient and Stable Perovskite Solar Cells. In: Advanced Functional Materials. 2019 ; Vol. 29, No. 16.

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