Gas chromatography–mass spectrometry analyses of encapsulated stable perovskite solar cells

Author:

Shi Lei1ORCID,Bucknall Martin P.23ORCID,Young Trevor L.1ORCID,Zhang Meng14ORCID,Hu Long5,Bing Jueming167ORCID,Lee Da Seul1ORCID,Kim Jincheol18ORCID,Wu Tom5,Takamure Noboru6ORCID,McKenzie David R.6ORCID,Huang Shujuan19ORCID,Green Martin A.1ORCID,Ho-Baillie Anita W. Y.167ORCID

Affiliation:

1. Australian Centre for Advanced Photovoltaics, School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, NSW 2052, Australia.

2. Bioanalytical Mass Spectrometry Facility, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, NSW 2052, Australia.

3. School of Optometry and Vision Science, University of New South Wales, Sydney, NSW 2052, Australia.

4. Institute of Photovoltaics, Southwest Petroleum University, Chengdu 610500, China.

5. School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia.

6. School of Physics, University of Sydney, Sydney, NSW 2006, Australia.

7. University of Sydney Nano Institute, University of Sydney, Sydney, NSW 2006, Australia.

8. New and Renewable Energy Research Center, Korea Electronics Technology Institute, Seong-Nam, Republic of Korea.

9. School of Engineering, Macquarie University, Sydney, NSW 2109, Australia.

Abstract

Perovskite decomposition in detail Solar cells are subject to heating when operating in sunlight, and the organic components of hybrid perovskite solar cells, especially the commonly used methylammonium cation, can undergo thermal decomposition. Encapsulation can limit decomposition by bringing such reactions to equilibrium and can prevent exposure to damaging ambient moisture. Shi et al. examined several encapsulation schemes for perovskite films and devices by probing volatile products with gas chromatography–mass spectrometry (see the Perspective by Juarez-Perez and Haro). Pressure-tight polymer/glass stack encapsulation was effective in suppressing gas transfer and allowed solar cells containing methylammonium to pass harsh moisture and thermal cycling tests. Science , this issue p. eaba2412 ; see also p. 1309

Funder

Australian Research Council

Australian Renewable Energy Agency, Australian Government

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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