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Title: Towards stable and commercially available perovskite solar cells

Journal Article · · Nature Energy
 [1];  [2];  [3];  [4];  [4]
  1. Sungkyunkwan Univ., Suwon (Republic of Korea). School of Chemical Engineering
  2. Ecole Polytechnique Federale Lausanne (Switzlerland). Inst. of Chemical Sciences and Engineering
  3. Toin Univ. of Yokohama (Japan)
  4. National Renewable Energy Lab. (NREL), Golden, CO (United States)

Solar cells employing a halide perovskite with an organic cation now show power conversion efficiency of up to 22%. But, these cells are facing issues towards commercialization, such as the need to achieve long-term stability and the development of a manufacturing method for the reproducible fabrication of high-performance devices. We propose a strategy to obtain stable and commercially viable perovskite solar cells. A reproducible manufacturing method is suggested, as well as routes to manage grain boundaries and interfacial charge transport. Electroluminescence is regarded as a metric to gauge theoretical efficiency. We highlight how optimizing the design of device architectures is important not only for achieving high efficiency but also for hysteresis-free and stable performance. Here, we argue that reliable device characterization is needed to ensure the advance of this technology towards practical applications. We believe that perovskite-based devices can be competitive with silicon solar modules, and discuss issues related to the safe management of toxic material.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Renewable Energy. Solar Energy Technologies Office
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1329525
Report Number(s):
NREL/JA-5900-66413
Journal Information:
Nature Energy, Vol. 1, Issue 11; ISSN 2058-7546
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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