Self energy and excitonic effect in (un) doped TiO 2 anatase: a comparative study of hybrid DFT, GW and BSE to explore optical properties

P Basera, S Saini, S Bhattacharya - Journal of Materials Chemistry C, 2019 - pubs.rsc.org
TiO2 anatase has significant importance in energy and environmental research. However,
the major drawback of this immensely popular semi-conductor is its large bandgap of 3.2 eV …

Genetic algorithms and machine learning for predicting surface composition, structure, and chemistry: a historical perspective and assessment

J Roberts, JRS Bursten, C Risko - Chemistry of Materials, 2021 - ACS Publications
Genetic algorithms (GA) and machine learning (ML) have a long history of development and
use in chemistry. Recent algorithmic and computational advances, however, have brought …

Insights into enhanced stability and activity of silica modified SiC supported iron oxide catalyst in sulfuric acid decomposition

S Pathak, S Saini, K Kondamudi, S Upadhyayula… - Applied Catalysis B …, 2021 - Elsevier
The agglomeration and sintering of metal nanoparticles due to poor thermal stability are
major causes of catalyst deactivation in many metal loaded catalysts used in industrially …

Theoretical insights into C–H bond activation of methane by transition metal clusters: the role of anharmonic effects

P Bhumla, M Kumar, S Bhattacharya - Nanoscale Advances, 2021 - pubs.rsc.org
In heterogeneous catalysis, the determination of active phases has been a long-standing
challenge, as materials' properties change under operational conditions (ie temperature (T) …

Unraveling Thermodynamic Stability, Catalytic Activity, and Electronic Structure of [TM x Mg y O z]+/0/–Clusters at Realistic Conditions: A Hybrid DFT and ab Initio …

S Saini, P Basera, E Arora… - The Journal of Physical …, 2019 - ACS Publications
Aiming toward catalytic applications, a large data set is generated on [TM x Mg y O z]+/0/–
clusters (TM= Cr, Fe, Co, Ni, x+ y≤ 5) using a massively parallel cascade genetic algorithm …

Determining Material Structures and Surface Chemistry by Genetic Algorithms and Quantum Chemical Simulations

JJ Roberts - 2021 - uknowledge.uky.edu
With the advent of modern computing, the use of simulation in chemistry has become just as
important as experiment. Simulations were originally only applicable to small molecules, but …

[PDF][PDF] DESIGNING CLUSTERS FOR EFFICIENT CATALYTIC ACTIVITY AT A REALISTIC CONDITION FROM FIRST-PRINCIPLES SIMULATION

S Saini - 2020 - researchgate.net
The ultimate goal of research in heterogeneous catalysis is to engineer the efficient and
optimized catalyst for wide range of catalytic processes. The meaningful strategy to find …

Metastability triggered reactivity in clusters at realistic conditions: a case study of N-doped (TiO2) n for photocatalysis

S Saini, P Basera, M Kumar, P Bhumla… - Journal of Physics …, 2020 - iopscience.iop.org
Metastability triggered reactivity in clusters at realistic conditions: a case study of N-doped (TiO2)
n for photocatalysis - IOPscience This site uses cookies. By continuing to use this site you …

Thermodynamic stability and electronic structure of bimetallic clusters (TMxMgyOz)

S Saini, P Basera, S Bhattacharya - Materials Today: Proceedings, 2020 - Elsevier
We study the (T, p O 2) dependence of the composition, structure, and stability of the various
isomers for different sizes of clusters Ni x Mg y O z (x+ y≤ 3) in an oxygen atmosphere. This …

[CITATION][C] Department of Chemical Sciences School of Natural Sciences

S Maiti, A Bose, J Dasgupta, A Datta, D Khushalani… - Adv. Mater, 2017