Degradation of crystalline silicon due to boron–oxygen defects

T Niewelt, J Schön, W Warta, SW Glunz… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
This paper gives an overview on the current understanding of a technologically relevant
defect group in crystalline silicon related to the presence of boron and oxygen. It is …

Eliminating light-induced degradation in commercial p-type Czochralski silicon solar cells

B Hallam, A Herguth, P Hamer, N Nampalli, S Wilking… - Applied Sciences, 2017 - mdpi.com
This paper discusses developments in the mitigation of light-induced degradation caused by
boron-oxygen defects in boron-doped Czochralski grown silicon. Particular attention is paid …

Development of advanced hydrogenation processes for silicon solar cells via an improved understanding of the behaviour of hydrogen in silicon

BJ Hallam, PG Hamer… - Progress in …, 2020 - Wiley Online Library
The understanding and development of advanced hydrogenation processes for silicon solar
cells are presented. Hydrogen passivation is incorporated into virtually all silicon solar cells …

Influence of dopant elements on degradation phenomena in B‐and Ga‐doped Czochralski‐grown silicon

W Kwapil, J Dalke, R Post, T Niewelt - Solar RRL, 2021 - Wiley Online Library
The response of lifetime samples made from boron‐and gallium‐doped Czochralski‐grown
silicon from the same producer to light‐and elevated temperature‐induced degradation …

24.58% efficient commercial n‐type silicon solar cells with hydrogenation

R Chen, M Wright, D Chen, J Yang… - Progress in …, 2021 - Wiley Online Library
Tunnelling oxide passivated contact (TOPCon) solar cells are gaining significant commercial
interest, due to the potential for high efficiency. Industrially, this passivated contact scheme is …

Rapid passivation of carrier-induced defects in p-type multi-crystalline silicon

DNR Payne, CE Chan, BJ Hallam, B Hoex… - Solar Energy Materials …, 2016 - Elsevier
A slow forming carrier-induced degradation effect has previously been reported for p-type
multi-crystalline silicon (mc-Si) solar cells and has been observed to be most severe in …

On the lifetime-equivalent defect density: Properties, application, and pitfalls

A Herguth - IEEE Journal of Photovoltaics, 2019 - ieeexplore.ieee.org
The basic idea, derivation, and definition of the lifetime-equivalent defect density
(alternatively termed as effective, relative, or normalized defect density) in the context of …

Modelling of hydrogen transport in silicon solar cell structures under equilibrium conditions

P Hamer, B Hallam, RS Bonilla, PP Altermatt… - Journal of Applied …, 2018 - pubs.aip.org
This paper presents a model for the introduction and redistribution of hydrogen in silicon
solar cells at temperatures between 300 and 700 C based on a second order backwards …

Hydrogen in Silicon Solar Cells: The Role of Diffusion

J Schön, P Hamer, B Hammann, C Zechner… - Solar …, 2025 - Wiley Online Library
A model for hydrogen in silicon is presented, which accounts for both in‐diffusion and out‐
diffusion from a passivation layer (eg, SiNx), as well as the known hydrogen reactions within …

Fast regeneration processes to avoid light-induced degradation in multicrystalline silicon solar cells

K Krauß, AA Brand, F Fertig, S Rein… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
Light-induced degradation (LID) of multicrystalline silicon (mc-Si) solar cell performance has
been reported to be surprisingly strong for conditions relevant under field operation. In …