Towards operando computational modeling in heterogeneous catalysis

L Grajciar, CJ Heard, AA Bondarenko… - Chemical Society …, 2018 - pubs.rsc.org
An increased synergy between experimental and theoretical investigations in
heterogeneous catalysis has become apparent during the last decade. Experimental work …

Insights into the role of the interface defects density and the bandgap of the back surface field for efficient p-type silicon heterojunction solar cells

F Wang, Y Gao, Z Pang, L Yang, J Yang - RSC advances, 2017 - pubs.rsc.org
An n-type silicon wafer appears to be an excellent base material for high efficiency silicon
heterojunction solar cells with high annual energy output. The further development of viable …

Electronic structure and localized states in amorphous Si and hydrogenated amorphous Si

RV Meidanshahi, S Bowden… - Physical Chemistry …, 2019 - pubs.rsc.org
Hydrogen incorporation in the fabrication of amorphous Si (a-Si) plays an important role in
improving its electronic and optical properties. An important question is how H interacts with …

Information-driven inverse approach to disordered solids: Applications to amorphous silicon

DK Limbu, R Atta-Fynn, DA Drabold, SR Elliott… - Physical Review …, 2018 - APS
Diffraction data play an important role in the structural characterizations of solids. While
reverse Monte Carlo (RMC) and similar methods provide an elegant approach to (re) …

Ab initio study of the structure and properties of amorphous silicon hydride from accelerated molecular dynamics simulations

R Atta-Fynn, SJ Rathi, H Arya, P Biswas - Journal of Non-Crystalline Solids, 2023 - Elsevier
This paper presents a large-scale ab initio simulation study of amorphous silicon hydride (a-
Si 1-x H x) with an emphasis on the structure and properties of the material across a range of …

Small-angle x-ray scattering in amorphous silicon: A computational study

D Paudel, R Atta-Fynn, DA Drabold, SR Elliott… - Physical Review B, 2018 - APS
We present a computational study of small-angle x-ray scattering (SAXS) in amorphous
silicon (a-Si) with particular emphasis on the morphology and microstructure of voids. The …

Mechanical properties of hydrogenated amorphous silicon (a-Si: H) particles

T Jiang, F Khabaz, A Marne, C Wu, R Gearba… - Journal of Applied …, 2019 - pubs.aip.org
A nanoindenter was used to compress individual particles of hydrogenated amorphous
silicon (a-Si: H) ranging in diameter from 290 nm to 780 nm. The colloidal synthesis used to …

Optical response of hydrogenated amorphous silicon: investigation with electronic dynamics simulations

H Li, M Matsumoto - Applied Physics A, 2022 - Springer
Response of hydrogenated amorphous silicon (a-Si: H) to external electric field was
investigated with quantum simulations using a time-dependent density functional tight …

Computational generation of voids in -Si and -Si:H by cavitation at low density

E Guerrero, DA Strubbe - Physical Review Materials, 2020 - APS
Use of amorphous silicon (a-Si) and hydrogenated amorphous silicon (a-Si: H) in
photovoltaics has been limited by light-induced degradation (the Staebler-Wronski effect) …

Temperature-induced nanostructural evolution of hydrogen-rich voids in amorphous silicon: a first-principles study

P Biswas, D Paudel, R Atta-Fynn, SR Elliott - Nanoscale, 2020 - pubs.rsc.org
The paper presents an ab initio study of temperature-induced nanostructural evolution of
hydrogen-rich voids in amorphous silicon. By using large a-Si models, obtained from …