Potential-dependent hydroxyl coverage mediates OER over NiOx(OH)y under review
A. Ghafari†, A.R. Peeketi†, T. Yadav†, et al.
Nature Catalysis, 2026 · co-first-author
Overturned the prevailing oxyl OER mechanism on beta-NiOOH; showed pseudocapacitive hydroxyl charge storage drives OER via water nucleophilic attack, validated against three independent operando spectroscopy techniques.
Fragment-constrained charge equilibration for charge-aware machine learning potentials at electrochemical interfaces in preparation
A.R. Peeketi, B.P. Uberuaga, T.E. Jones
, 2026 · first-author
HIPPIE-NN: per-fragment charge constraints in a PyTorch-native ML potential that captures the electric double layer at electrochemical interfaces.
The oxygen chemistry during the alkaline OER on cobalt in preparation
T. Götsch, A.R. Peeketi, T.E. Jones, et al.
, 2026 · co-author
DFT study of oxygen surface chemistry during alkaline OER on cobalt electrocatalysts.
Lattice strain during CO2 electroreduction conditions: an in situ time-resolved X-ray diffraction study on oxide-derived Cu electrocatalysts in preparation
A. Bergmann, A. Herzog, A.R. Peeketi, et al.
, 2026 · co-author
In situ time-resolved XRD study of lattice strain in oxide-derived Cu during CO2 electroreduction.
A.R. Peeketi, L. Rekhi, et al.
Electronic Structure, 2026 · first-author
Resolved the origin of metallic conductivity in Pt3O4 via 12-level DFT benchmarking; Pt-O covalency persists across all functional/U/SOC settings, overturning the charge-disproportionation hypothesis.
N.C.S. Neeraj, A.R. Peeketi, et al.
Soft Matter, 2025 · co-author
Demonstrated multi-wavelength actuation in dual-dye LCN films; FEM platform from PhD underpins the study.
D. Jayoti†, A.R. Peeketi†, R.K. Annabattula
Polymer, 2025 · co-first-author
Two-term kinetic model for azobenzene-crosslinked LCN, with genetic-algorithm inverse parameter identification across 5 polymer compositions.
L. Yue, A.R. Peeketi, et al.
Advanced Materials, 2024 · co-author
3-stage FEM process simulation (pre-stretch to vacuum thermoforming to actuation) predicted 18% height reduction matching experimental ~20%; Advanced Materials IF ~29.
A.R. Peeketi, E. Joseph, et al.
The Journal of Chemical Physics, 2024 · first-author
First all-atom MD study of photo-isomerization in LCPs at realistic 8 mol% azo loading; disproved static-geometry hypothesis — dynamic trans-cis-trans cycling is required for 15.7% density reduction.
A.R. Peeketi, N. Swaminathan, R.K. Annabattula
Mechanics of Materials, 2023 · first-author
First closed-form curvature formula for partially covered bilayer actuators, generalizing Timoshenko (1925); single dimensionless parameter governs three design regimes; 1,000x FEM speedup.
A.R. Peeketi†, D. Jayoti†, et al.
ACS Applied Materials & Interfaces, 2023 · co-first-author
Discovered geometric design rule (center of geometry vs material line) governing self-sustained oscillations in LCP films on hot plates; ~1°C fluctuations sustain 0.5-2.5 Hz limit cycles.
A.R. Peeketi, J.A.H.P. Sol, et al.
Journal of Polymer Science, 2023 · first-author
91-layer composite shell FEM identified optimal actuator geometry for flat-to-cone morphing; predictions guided experimental fabrication at TU Eindhoven.
D. Jayoti, A.R. Peeketi, et al.
Soft Matter, 2022 · co-author
FEM study of NIR cantilever actuation with ~20 mm displacement; bidirectional actuation and flutter instability demonstrated.
M. del Pozo, A.R. Peeketi, et al.
ACS Applied Materials & Interfaces, 2021 · co-author
FEM predicted 40% coverage outperforms 100% in displacement; Akhil performed all FEM simulations.
A. Ramgopal, A.R. Peeketi, R.K. Annabattula
Soft Matter, 2021 · co-author
FEM design of light-driven motorless cart; peristaltic-heartbeat mode achieves 13x speed advantage over homogeneous propagation.
A.R. Peeketi, N. Swaminathan, R.K. Annabattula
Journal of Applied Physics, 2021 · first-author
First unified photo-chemo/thermo-mechanical FEM platform for LCN actuators; validated across 3 chromophore types; platform underpins 13+ publications across 4 international groups.
M. Pilz da Cunha, A.R. Peeketi, et al.
ChemistryOpen, 2020 · co-author
FEM predicted light-driven oscillation at 1.7-3.1 Hz with self-shadowing feedback; threshold ~200 mW/cm2.
K. Mehta†, A.R. Peeketi†, L. Liu†, et al.
Applied Physics Reviews, 2020 · co-first-author
Review of LCN modeling and applications; Applied Physics Reviews, IF ~13.
R.K. Desu†, A.R. Peeketi†, R.K. Annabattula
Fusion Engineering and Design, 2020 · co-first-author
Largest-scale TDEM parametric study of fusion breeder pebble beds; layered dual-phase design achieves 18% ETC improvement at 8% volume fraction.
K. Mehta, A.R. Peeketi, et al.
Mechanics of Materials, 2020 · co-author
FEM of surface wave propagation in photo-responsive viscoelastic LCN; wave frequency matches light source frequency; independently controllable wave parameters demonstrated.
A.R. Peeketi, M. Moscardini, et al.
Granular Matter, 2019 · first-author
Six parametric correlations for granular bed ETC from 40+ DEM configurations; validated across 8+ ceramics at 25-800°C; widest material coverage of any prior model.
M. Pilz da Cunha, A.R. Peeketi, et al.
Chemical Communications, 2019 · co-author
FEM of self-sustained rocking actuator at 70-80°C; 7.2 cm/s tip speed; chaotic oscillatory motion captured.
A.R. Peeketi, R.K. Desu, et al.
Computational Particle Mechanics, 2019 · first-author
First spatially resolved thermal simulation of a complete fusion breeder unit (~12 million particles); DEM-ANN-FEM hierarchical coupling revealed 34% ETC spatial variation, proving uniform-ETC assumptions inadequate.
R.K. Desu†, A.R. Peeketi†, R.K. Annabattula
Computational Particle Mechanics, 2019 · co-first-author
ANN surrogate (R2=0.99) reduces granular bed ETC computation from ~4 hours to seconds; implicitly captures Smoluchowski S-curve without explicit formulation.
J.A.H.P. Sol, A.R. Peeketi, et al.
Chemical Communications, 2019 · co-author
FEM matched experimental tight-rolling geometry of bio-inspired tapered LCN actuator at 6 temperatures; 3.5 rotations predicted at 100°C.
A.R. Peeketi, M. Moscardini, et al.
Fusion Engineering and Design, 2018 · first-author
Analytical + DEM model for pebble-bed ETC validated against experiments at 25-800°C; ~7% agreement; outperforms 4 prior literature models.