Person
Stefaan De Wolf
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Related publications (95)
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Photovoltaics at multi-terawatt scale: Waiting is not an option
Sophia Haussener, Stefaan De Wolf
A major renewable-energy milestone occurred in 2022: Photovoltaics (PV) exceeded a global installed capacity of 1 TWdc. But despite considerable growth and cost reduction over time, PV is still a small part of global electricity generation (4 to 5% for 202 ...
2023Below the Urbach Edge: Solar Cell Loss Analysis Based on Full External Quantum Efficiency Spectra
Stefaan De Wolf, Jakub Holovsky, Randall Ellingson, Xin Yu Chin
We suggest a new solar cell loss analysis using theexternal quantumefficiency (EQE) measured with sufficiently high sensitivity to alsoaccount for defects. Unlike common radiative-limit methods, wherethe impact of deep defects is ignored by exponential ext ...
AMER CHEMICAL SOC2023Quantitative Analysis of Nanorough Hydrogenated Si(111) Surfaces through Vibrational Spectral Assignment by Periodic DFT Calculations br
Christophe Ballif, Stefaan De Wolf, Jakub Holovsky
In this work, we use periodic density functional theory(periodic DFT) to rigorously assign vibrational spectra measured on nanorough wet-processed hydrogenated Si(111) surfaces. We compare Si(111)-(1x1) surfaces etched by dilute HF and NH4F, featuring two ...
AMER CHEMICAL SOC2022People doing similar research (48)