Liquid Water- and Heat-Resistant Hybrid Perovskite Photovoltaics via an Inverted ALD Oxide Electron Extraction Layer Design

In Soo Kim; Duyen H. Cao; D. Bruce Buchholz; Jonathan D. Emery; Omar K. Farha; Joseph T. Hupp; Mercouri G. Kanatzidis; Alex B.F. Martinson

doi:10.1021/acs.nanolett.6b03989

Liquid Water- and Heat-Resistant Hybrid Perovskite Photovoltaics via an Inverted ALD Oxide Electron Extraction Layer Design

In Soo Kim, Duyen H. Cao, D. Bruce Buchholz, Jonathan D. Emery, Omar K. Farha, Joseph T. Hupp, Mercouri G. Kanatzidis, Alex B.F. Martinson^*

^*Corresponding author for this work

Research output: Contribution to journal › Article

44 Scopus citations

Abstract

Despite rapid advances in conversion efficiency (>22%), the environmental stability of perovskite solar cells remains a substantial barrier to commercialization. Here, we show a significant improvement in the stability of inverted perovskite solar cells against liquid water and high operating temperature (100 °C) by integrating an ultrathin amorphous oxide electron extraction layer via atomic layer deposition (ALD). These unencapsulated inverted devices exhibit a stable operation over at least 10 h when subjected to high thermal stress (100 °C) in ambient environments, as well as upon direct contact with a droplet of water without further encapsulation.

Original language	English (US)
Pages (from-to)	7786-7790
Number of pages	5
Journal	Nano letters
Volume	16
Issue number	12
DOIs	https://doi.org/10.1021/acs.nanolett.6b03989
State	Published - Dec 14 2016

Keywords

Hybrid perovskites
atomic layer deposition
inverted design
photovoltaics
stability

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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Kim, I. S., Cao, D. H., Buchholz, D. B., Emery, J. D., Farha, O. K., Hupp, J. T., Kanatzidis, M. G., & Martinson, A. B. F. (2016). Liquid Water- and Heat-Resistant Hybrid Perovskite Photovoltaics via an Inverted ALD Oxide Electron Extraction Layer Design. Nano letters, 16(12), 7786-7790. https://doi.org/10.1021/acs.nanolett.6b03989

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abstract = "Despite rapid advances in conversion efficiency (>22%), the environmental stability of perovskite solar cells remains a substantial barrier to commercialization. Here, we show a significant improvement in the stability of inverted perovskite solar cells against liquid water and high operating temperature (100 °C) by integrating an ultrathin amorphous oxide electron extraction layer via atomic layer deposition (ALD). These unencapsulated inverted devices exhibit a stable operation over at least 10 h when subjected to high thermal stress (100 °C) in ambient environments, as well as upon direct contact with a droplet of water without further encapsulation.",

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Liquid Water- and Heat-Resistant Hybrid Perovskite Photovoltaics via an Inverted ALD Oxide Electron Extraction Layer Design. / Kim, In Soo; Cao, Duyen H.; Buchholz, D. Bruce; Emery, Jonathan D.; Farha, Omar K.; Hupp, Joseph T.; Kanatzidis, Mercouri G.; Martinson, Alex B.F.

In: Nano letters, Vol. 16, No. 12, 14.12.2016, p. 7786-7790.

Research output: Contribution to journal › Article

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