Results 91 to 100 of about 315 (122)

Low-temperature dark anneal as pre-treatment for LeTID in multicrystalline silicon

Solar Energy Materials and Solar Cells, 2019
Abstract Light and elevated temperature induced degradation (LeTID) is currently a severe issue in crystalline silicon photovoltaics, which has led to numerous efforts to both understand the mechanism and to mitigate it. Here we show that a low-temperature dark anneal performed as the last step in typical solar cell processing influences greatly ...
Chiara Modanese, Henri Vahlman, Hele Savin   +2 more
exaly   +4 more sources

Correlation study between LeTID defect density, hydrogen and firing profile in Ga-doped crystalline silicon

Solar Energy Materials and Solar Cells, 2023
Light- and elevated Temperature-induced Degradation (LeTID) remains a challenge for the long-term stability of silicon-based solar cells. Despite numerous publications and studies on the subject, only a link with the hydrogen concentration in the silicon
Sebastian Roder, Jochen Simon, Axel Herguth   +2 more
exaly   +3 more sources

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LeTID Study of passivation layers for Si solar cells

Advanced Photonics Congress 2023, 2023
LeTID can be mitigated by reducing the introduction of hydrogen, because the samples with FGA show more serious LeTID degradation. We propose that the introduction of sputtered SiNx may be effective in mitigating LeTID behaviors.
Masauko Henry Utila, Chu-Hsuan Lin
openaire   +1 more source

LeTID Mitigation by Electrical Injection Regeneration of Cz-Si and mc-Si BSF Silicon Solar Cells

Journal of Electronic Materials
In this investigation, we provide further insight into the kinetics of light- and elevated-temperature-induced degradation (LeTID) by examining the impact of electrical injection regeneration on the development and subsequent mitigation of LeTID in boron-
Imad Yacine ZENTAR
exaly   +2 more sources

New insights on LeTID/BO-LID in p-type mono-crystalline silicon

Solar Energy Materials and Solar Cells, 2021
Abstract In this work, light-induced degradation (LID) experiments were performed on p-type boron-doped Czochralski silicon (Cz-Si) wafers under different conditions, aiming to separately characterize boron-oxygen related LID (BO-LID) and “light and elevated temperature-induced degradation” (LeTID).
Lihui Song, Xuegong Yu, Deren Yang
exaly   +2 more sources

Annealing prior to contact firing: A potential new approach to suppress LeTID

Solar Energy Materials and Solar Cells, 2019
Abstract In this work, we introduce a new approach to suppress light and elevated temperature-induced degradation (LeTID) by applying a pre-fire annealing step using rapid thermal processing (RTP) and discuss the impact of this process on the evolution of bulk and surface lifetime components. We demonstrate that pre-fire annealing at low temperatures
Daniel Chen, Brett Jason Hallam, By Dr Alison Maree Ciesla   +2 more
exaly   +2 more sources

LeTID and PID Hardness of Silicon Heterojunction Modules

2020
37th European Photovoltaic Solar Energy Conference and Exhibition; 994 ...
Dimachkie, S., Couderc, R., Sicot, L., Derrier, A., Veschetti, Y.   +4 more
openaire   +1 more source

LETID in legacy and modern PV modules: accelerated testing and field deployment

2022 IEEE 49th Photovoltaics Specialists Conference (PVSC), 2022
Joseph Karas, Ingrid Repins
exaly   +2 more sources

BENCHMARKING LIGHT AND ELEVATED TEMPERATURE INDUCED DEGRADATION (LETID)

2018
35th European Photovoltaic Solar Energy Conference and Exhibition; 1265 ...
Pander, M., Turek, M., Bauer, J., Luka, T., Hagendorf, C., Ebert, M., Gottschalg, R.   +6 more
openaire   +1 more source

Potential Mechanism of LeTID Dynamic Behavior Dependent on Firing and Hydrogenation with Electron Injection

Silicon, 2022
Xi Xi, Yanfeng Jiang, Shaomin Li
exaly   +2 more sources