journal article·2024-05-10

Sustainable Manufacturing of Perovskite-CIGS Tandem Solar Cells through Lamination with Metal-Free Transparent Conductive Adhesives

Ezra Alvianto, Guanxiang Wan, Zhuojie Shi, Haoming Liang, Xi Wang, Xiao Guo, Chang Hua Wang, Chung Hsien Wu, Ji Wen Jiang, Xiuxiu Niu, Benjamin C. K. Tee, Yi Hou

ACS Energy Letters· Volume 9· Issue 5
Publisher page

Abstract

Perovskite-CIGS tandem solar cells offer unique benefits, such as high efficiencies and the possibility for cost-effective production on flexible, lightweight substrates. Yet, scaling up the production of these devices presents challenges, particularly because of roughness, solvents, and reactions that can impair the integrity of subcells within tandem configurations. Here, we introduce a metal-free transparent conductive adhesive (TCA) material, implemented via a lamination approach, as a scalable solution that facilitates separate fabrication and subsequent tandem integration of the subcells. This TCA not only exhibits promising electrical and optical properties but also ensures that its lamination process does not degrade the perovskite. It also exhibits encapsulation properties rivaling those of commercial encapsulants. By employing this TCA, we have attained a champion efficiency of 20.6% in single-junction semitransparent solar cells, featuring a high fill-factor of 79.7%. Ultimately, we demonstrate its compatibility with perovskite-CIGS tandem solar cells, effectively eliminating the need for additional encapsulation while opening pathways for the separate recycling of perovskite-based tandems.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore

Solar Energy Research Institute of Singapore (SERIS), National University of Singapore, Singapore 117574, Singapore

Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore

Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Fuzhou 350207, China

Triumph Photovoltaic Materials Co. Ltd., Anhui 233050, China

Institute for Health Innovation and Technology, National University of Singapore, Singapore 117599, Singapore

Department of Electrical and Computer Engineering, National University of Singapore, Singapore 117583, Singapore

The N.1 Institute for Health, National University of Singapore, Singapore 117456, Singapore

Institute of Materials Research and Engineering, Agency for Science Technology and Research, Singapore 138634, Singapore

Funding

Ministry of Education - Singapore

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