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 …

24.58% total area efficiency of screen-printed, large area industrial silicon solar cells with the tunnel oxide passivated contacts (i-TOPCon) design

D Chen, Y Chen, Z Wang, J Gong, C Liu, Y Zou… - Solar Energy Materials …, 2020 - Elsevier
We demonstrate an “industrial tunnel oxide passivated contacts”(i-TOPCon) silicon solar cell
on large area n-type silicon wafers (156.75 mm× 156.75 mm). This cell has a boron diffused …

Determining the charge states and capture mechanisms of defects in silicon through accurate recombination analyses: A review

FE Rougieux, C Sun, D Macdonald - Solar Energy Materials and Solar …, 2018 - Elsevier
A key strategy for further reducing the cost of solar electricity is through the development and
production of very-high efficiency silicon solar cells (> 25%). The challenge in achieving this …

Engineering Solutions and Root-Cause Analysis for Light-Induced Degradation in p-Type Multicrystalline Silicon PERC Modules

K Nakayashiki, J Hofstetter… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
We identify two engineering solutions to mitigate light-induced degradation (LID) in p-type
multicrystalline silicon passivated emitter and rear cells, including modification of …

Understanding the light‐induced degradation at elevated temperatures: Similarities between multicrystalline and floatzone p‐type silicon

T Niewelt, F Schindler, W Kwapil… - Progress in …, 2018 - Wiley Online Library
This paper discusses degradation phenomena in crystalline silicon. We present new
investigations of the light‐and elevated temperature‐induced degradation of multicrystalline …

[HTML][HTML] Hydrogen-induced degradation: Explaining the mechanism behind light-and elevated temperature-induced degradation in n-and p-type silicon

D Chen, P Hamer, M Kim, C Chan… - Solar Energy Materials …, 2020 - Elsevier
Light-and elevated temperature-induced degradation (LeTID) has been extensively studied
on p-type silicon materials with increasing evidence suggesting the involvement of …

[HTML][HTML] Light-induced activation and deactivation of bulk defects in boron-doped float-zone silicon

T Niewelt, M Selinger, NE Grant, W Kwapil… - Journal of Applied …, 2017 - pubs.aip.org
In this paper, we present new insight in the degradation and subsequent recovery of charge
carrier lifetime upon light soaking at 75 C observed in float-zone silicon wafers. Variations of …

Modulation of carrier‐induced defect kinetics in multi‐crystalline silicon PERC cells through dark annealing

C Chan, TH Fung, M Abbott, D Payne, A Wenham… - Solar Rrl, 2017 - Wiley Online Library
In this letter, we report on significant changes caused after dark annealing to the kinetics of
the carrier‐induced defect, present in p‐type multi‐crystalline silicon PERC cells. The …

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 …

Advanced hydrogenation of dislocation clusters and boron-oxygen defects in silicon solar cells

BJ Hallam, PG Hamer, S Wang, L Song, N Nampalli… - Energy Procedia, 2015 - Elsevier
Advanced hydrogenation processes targeting the generation of neutrally charged hydrogen
(H°) are applied to passivate structural defects in seeded-cast quasi mono-crystalline silicon …