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Title: Enhancing lifetime, forecasting, and economic benefits of photovoltaic technologies undergoing UV-induced degradation with optical filtering

Journal Article · · Japanese Journal of Applied Physics
ORCiD logo [1];  [1];  [2];  [3];  [1];  [4];  [5];  [6];  [1];  [2];  [2];  [2];  [4];  [4]
  1. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  2. Swiss Center for Electronics and Microtechnology (CSEM), Neuchâtel (Switzerland)
  3. SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Kiwa PVEL, Napa, CA (United States)
  4. Swiss Center for Electronics and Microtechnology (CSEM), Neuchâtel (Switzerland); Ecole Polytechnique Federale Lausanne (EPFL), Neuchâtel (Switzerland)
  5. Swiss Center for Electronics and Microtechnology (CSEM), Neuchâtel (Switzerland); Ecole Polytechnique Federale Lausanne (EPFL), Neuchâtel (Switzerland); Solarlab Aiko Europe GmbH, Freiburg (Germany)
  6. SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); National Institute of Standards and Technology (NIST), Gaithersburg, MD (United States)

Ultraviolet-induced degradation (UV-ID) of various PV cell types was analyzed under optical UV filters with different cutoff wavelengths. Cell types studied included interdigitated back contact (IBC), passivated emitter and rear totally diffused (PERT), and heterojunction technology (HJT) based on crystalline Si (c-Si), and metal halide perovskite (MHP) cells. Analyzing degradation rates in two distinct regimes proved beneficial for all cell types. We used empirical linearizing functions ln(t) for c-Si technologies and 2√t for MHP samples where t is time. These were applied to extrapolate UV-induced degradation over the lifetime of PV modules under various levels of optical UV filtering and used to predict the relative economic benefits for PV power plants. Degradation rates for all technologies were generally faster under the long pass optical filters having shorter cutoff wavelengths transmitting more UV irradiation and at elevated temperatures when testing MHP samples in the range between 60 °C and 90 °C.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
Fonds National Suisse (FNS); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
2564355
Report Number(s):
NREL/JA--5K00-93350; MainId:95132; UUID:12a50a31-2a00-41bd-9f77-35e496dabe72; MainAdminId:76787
Journal Information:
Japanese Journal of Applied Physics, Journal Name: Japanese Journal of Applied Physics Journal Issue: 4 Vol. 64; ISSN 0021-4922
Publisher:
Japan Society of Applied PhysicsCopyright Statement
Country of Publication:
United States
Language:
English

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