Sayan Bhattacharyya
sayanb-iiserk.bsky.social
Sayan Bhattacharyya
@sayanb-iiserk.bsky.social
X-ray detection with high dynamic sensitivity & ultra-low detection limits by low-dimensional hybrid Bi-iodides
Advanced Functional Materials
advanced.onlinelibrary.wiley.com/doi/10.1002/...
X‐Ray Detection with High Dynamic Sensitivity and Ultra‐Low Detection Limits by Low‐Dimensional Hybrid Bismuth‐Iodides
The one-dimensional non-centrosymmetric hybrid iodide, HDABiI5 (HBI), achieves low-voltage, X-ray sensitivity (1988.98 µCGyair−1cm−2), a low detection limit (<4 nGyairs−1) and a remarkable zero-bias ....
advanced.onlinelibrary.wiley.com
September 13, 2025 at 5:22 PM
Our perspective in ACS Catalysis is out now!
Atomic Insights into Catalyst-Substrate Interfaces of Self-supported Electrodes for Energy Conversion and Fuel Synthesis
Equally contributed by Dr. Sahanaz Parvin, Mamoni Maji and Dr. Rahul Majee
pubs.acs.org/doi/10.1021/...
Atomic Insights into Catalyst–Substrate Interfaces of Self-Supported Electrodes for Energy Conversion and Fuel Synthesis
Recent breakthroughs in electrocatalyst design have advanced key redox reactions for large-scale green hydrogen, carbon-based fuel and ammonia production, while rechargeable metal-ion batteries contin...
pubs.acs.org
June 25, 2025 at 1:18 PM
In Nano Letters, we showcase how the 90-year-old Hume-Rothery rule (Z. Kristallogr. Cryst. Mater. 1935, 91, 23-47) guides the design of a cutting-edge bifunctional tetra-metallic catalyst for water electrolysis
by Surajit Mondal Vishwadeepa Hazra Supriti Dutta SK Pati

pubs.acs.org/doi/10.1021/...
Decoding the Hume–Rothery Rule in a Bifunctional Tetra-metallic Alloy for Alkaline Water Electrolysis
The 90-year-old Hume–Rothery rule was adapted to design an outstanding bifunctional tetra-metallic alloy electrocatalyst for water electrolysis. Following the radius mismatch principles, Fe (131 pm) a...
pubs.acs.org
January 17, 2025 at 5:44 PM
Light-triggered reversible assembly of halide perovskite nanoplatelets: nano-actuation & current oscillation
We term it SaRNA: Stimuli-assisted Reversible Nano-Assembly
Published in Advanced Materials
by Vishwadeepa Hazra, Sougata Saha, S.K.Pati
onlinelibrary.wiley.com/doi/10.1002/...
Light‐Triggered Reversible Assembly of Halide Perovskite Nanoplatelets
This work demonstrates sunlight-triggered perpetual flipping of halide perovskite nanoplatelets between stacked and scattered configurations, under light and dark, respectively. The photo-switchable ...
onlinelibrary.wiley.com
December 26, 2024 at 1:26 PM