Does DFT+ U mimic hybrid density functionals?

P Verma, DG Truhlar - Theoretical Chemistry Accounts, 2016 - Springer
This work examines the question of how a Hubbard U correction to a local exchange–
correlation functional compares with adding Hartree–Fock exchange to a local functional for …

Biomimetic Catalysis of CO2 Hydration: A Materials Perspective

M Verma, GA Bhaduri, VS Phani Kumar… - Industrial & …, 2021 - ACS Publications
Rising temperatures and changing weather patterns have made the effect of climate change
more evident setting up an alarm for the need of quick action for its mitigation. Carbon …

DFT studies of Ni cluster on graphene surface: effect of CO 2 activation

H Xu, W Chu, W Sun, C Jiang, Z Liu - RSC advances, 2016 - pubs.rsc.org
CO2 capture, storage, sequestration (CCS), and utilization (CCU) are regarded as the most
effective way to slow the pace of global warming. In our present work, the structural stability …

Crystal Face Effects in Ni-Catalyzed Biomimetic Carbon Dioxide Hydration

S Kumari, PA Deshpande - The Journal of Physical Chemistry C, 2023 - ACS Publications
Biomimetic CO2 hydration over Ni (100),(110), and (111) surfaces was investigated to probe
the effect of the surface structure on the associated catalytic activity. Dispersion-corrected …

Catalytic Performance of Nickel Nanowires Immobilized in Silica Aerogels for the CO2 Hydration Reaction

KT Hassan, J Wang, X Han, JJ Sharp, GA Bhaduri… - Acs Omega, 2019 - ACS Publications
In this work, wavy nickel nanowires (NiNWs) were immobilized on mesoporous silica (SiO2)
aerogels by the sol–gel method. We measured the catalytic activity of pure NiNWs and …

Density functional theory analysis of the stability of H2O and CO2-derived surface species over low-index Ni facets

S Kumari, PA Deshpande - Applied Surface Science, 2024 - Elsevier
Abstract Analysis of stability of chemical species over catalytic surfaces is crucial for
understanding the surface-specific effects to reach optimal catalyst composition. With …

Computational Insights into Biomimetic CO2 Hydration Activities of (Poly)borate Ions

M Verma, PA Deshpande - The Journal of Physical Chemistry C, 2017 - ACS Publications
Borate-based compounds have been observed to be CO2 capture agents in natural and
synthetic setups. Carbon capture in such systems has been proposed to take place via …

OH and O mediated interaction of CO2 with Ni (1 1 0) surface, and its implications on biomimetic CO2 hydration

S Kumari, PA Deshpande - Chemical Engineering Science, 2021 - Elsevier
Pre-coverage of a clean Ni (1 1 0) surface with OH and O plays an important role in
activating CO 2 molecules during a host of surface catalytic reactions involving CO 2 and H …

Photochemical Enhancement in Catalytic Activity of Nickel Nanoparticles for Hydration of CO2

GA Bhaduri, B Muzaffar, MAH Alamiry, J Yuan… - …, 2016 - Wiley Online Library
The aqueous route for mineralization of CO2 is considered one of the least energy
consuming processes for carbon capture and storage. Reversible hydration of CO2 is one of …

Mechanistic insights into biomimetic carbonic anhydrase action catalyzed by doped carbon nanotubes and graphene

M Verma, PA Deshpande - Physical Chemistry Chemical Physics, 2017 - pubs.rsc.org
Electronic structural analyses of hydrogen terminated metal doped carbon
nanotube/graphene (M-CNT/Gr, MN3-CNT/Gr, M= Ru/Rh) and ruthenium cluster decorated …