Reducing Thermal Degradation of Perovskite Solar Cells during Vacuum Lamination by Internal Diffusion Barriers

Witteck, Robert; Nguyen Minh, Duong; Paul, Goutam; Harvey, Steven P.; Zheng, Xiaopeng; Jiang, Qi; Chen, Min; Abzieher, Tobias; Palmstrom, Axel F.; Habersberger, Brian; Gaulding, E. Ashley; Luther, Joseph M.; Wheeler, Lance M.

doi:10.1021/acsaem.4c02567

Reducing Thermal Degradation of Perovskite Solar Cells during Vacuum Lamination by Internal Diffusion Barriers

Journal Article · Thu Nov 07 00:00:00 EST 2024 · ACS Applied Energy Materials

DOI:https://doi.org/10.1021/acsaem.4c02567· OSTI ID:2476582

^[1]; Nguyen Minh, Duong ^[1]; Paul, Goutam ^[1]; ^[1]; ^[1]; ^[1]; Chen, Min ^[1]; Abzieher, Tobias ^[1]; ^[1]; Habersberger, Brian ^[2]; Gaulding, E. Ashley ^[1]; ^[1]; ^[1]

National Renewable Energy Laboratory (NREL), Golden, CO (United States)
The Dow Chemical Company, Lake Jackson, TX (United States)

Current photovoltaic (PV) panels typically contain interconnected solar cells that are vacuum laminated with a polymer encapsulant between two pieces of glass or glass with a polymer backsheet. This packaging approach is ubiquitous in conventional photovoltaic technologies such as silicon and thinfilm solar modules, contributing to thermal management, mechanical reinforcement, and environmental protection to enable the long lifetimes necessary to become financially acceptable. Commercial vacuum lamination processes typically occur at 150 °C to ensure cross-linking and/or glass bonding of the encapsulant to the glass and PV cells. Perovskite solar cells (PSCs) have emerged as a promising next-generation PV technology that is known to degrade under thermal stresses, especially at temperatures above 100 °C. In this study, we determine degradation modes during lamination and engineer internal diffusion barriers within the PSC to withstand the harsh thermal conditions of vacuum lamination. PSCs with self-assembled monolayers at the ITO interface and SnO_X layers deposited by atomic layer deposition at the electron extraction side of the device endured vacuum lamination at conditions typical of commercial PV processes (150 °C) without degradation. This work demonstrates that perovskite PV can be integrated into the existing module lamination process, enabling future single- and multijunction modules utilizing perovskite absorbers.

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Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States)

Sponsoring Organization:: USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC36-08GO28308

OSTI ID:: 2476582

Alternate ID(s):: OSTI ID: 2478096
OSTI ID: 2478862

Report Number(s):: NREL/JA--5900-90567

Journal Information:: ACS Applied Energy Materials, Journal Name: ACS Applied Energy Materials Journal Issue: 22 Vol. 7; ISSN 2574-0962

Publisher:: American Chemical Society (ACS)Copyright Statement

Country of Publication:: United States

Language:: English

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Reducing Thermal Degradation of Perovskite Solar Cells during Vacuum Lamination by Internal Diffusion Barriers

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