Publications

Ultra-Microporous Zinc-Diaminotriazolate-Oxalate Metal Organic Framework with Nonlayered-Pillared Structure Showing High Carbon Dioxide Uptakes at Low Partial Pressures. Piyush Singh, Himan Dev Singh, Pragalbh Shekhar, Chitvan Jain, Ping Song, Mahsa Loloei, Michael Edwin, Yan Gao, Nima Masoumifard, Ramanathan Vaidhyanathan. Chem. Mater. 2025, 37, 2496−2505. Article Link.

Efficient iodine sequestration by chemically robust C-C bonded hyper-crosslinked porous organic polymers. G Mayakannan, R Karthikkumar, Himan Dev Singh, Debanjan Chakraborty, Shyamapada Nandi. Chemical Engineering Journal Advances, 2025 21, 100700. Article Link.

Selective electroreduction of CO2 to value-added C1 and C2 products using MOF and COF-based catalysts. Himan Dev Singh, Mayakannan G, Rajkumar Misra, Sujoy Sarkar, Debanjan Chakraborty, Shyamapada Nandi. Adv. Compos. Hybrid. Mater., 2024, 7, 209 Article Link.

CO2-Specific Gate Opening Transforms a Dense Cation-Filled Zinc-Aminotriazolato-Oxalate Framework into an Ultramicroporous MOF. Piyush Singh, Himan Dev Singh, Pragalbh Shekhar, Praveen Nasa, Deepak Rase, Chitvan Jain, Yashraj Kumar Singh, Ramanathan Vaidhyanathan. Cryst. Growth Des., 2024, 24, 21, 8838–8846. Article Link.

Resorcinol–Azodianiline Covalent Organic Framework Supported FeOOH Quantum Dot-Catalyzed Electrochemical Ammonia Synthesis under Ambient Conditions. Pragalbh Shekhar, Kento Kosugi, Himan Dev Singh, Rinku Kushwaha, Deepak Rase, Takumi Matsuzaki, Chitvan Jain, Piyush Singh, Yashraj Singh, Chathakudath Prabhakaran Vinod, Mio Kondo, Shigeyuki Masaoka, Ramanathan Vaidhyanathan. Chem. Mater., 2024, 36, 17, 8229–8238. Article Link.

Design enhancement in hydroxide ion conductivity of viologen–bakelite organic frameworks for a flexible rechargeable zinc–air battery. Deepak Rase, Narugopal Manna, Rinku Kushwaha, Chitvan Jain, Himan Dev Singh, Pragalbh Shekhar, Piyush Singh, Yashraj Kumar Singh, Ramanathan Vaidhyanathan. Chem. Sci., 2024,15, 6949-6957.  Article Link.

An intrinsically zwitter-ionic COF: a carboxylic acid and pseudo-tetrahedral sp3 nitrogen functionalized covalent organic framework with potential for humidity sensing. Shyamapada Nandi, Himan Dev Singh, Pragalbh Shekhar, Debanjan Chakraborty, Rinku Kushwaha, Ramanathan Vaidhyanathan. J. Mater. Chem. A, 2024,12, 2839-2847. Article Link.

COF-supported zirconium oxyhydroxide as a versatile heterogeneous catalyst for Knoevenagel condensation and nerve agent hydrolysis. Pragalbh Shekhar, Venkata Swaroopa Datta Devulapalli, Reshma Reji, Himan Dev Singh, Aleena Jose, Piyush Singh, Arun Torris, Chatakudath P Vinod, John A Tokarz, John J Mahle, Gregory W Peterson, Eric Borguet, Ramanathan Vaidhyanathan. iScience, 2023, 26, 11, 108088.  Article Link.

Unlocking the Separation Capacities of a 3D-Iron-Based Metal Organic Framework Built from Scarce Fe4O2 Core for Upgrading Natural Gas. Himan Dev Singh, Piyush Singh, Raviraju Vysyaraju, Bhubesh Murugappan Balasubramaniam, Deepak Rase, Pragalbh Shekhar, Aleena Jose, Arvind Rajendran, Ramanathan Vaidhyanathan. Chem. Mater., 2023, 35, 19, 8261–8271. Article Link.

Pore volume regulated CO2 adsorption in C–C bonded porous organic frameworks. Himan Dev Singh, Piyush Singh, Deepak Rase, Ramanathan Vaidhyanathan. Mater. Adv., 2023, 4, 3055-3060.  Article Link.

Preferential CO2 adsorption by an ultra-microporous zinc-aminotriazolato-acetate MOF. Piyush Singh, Himan Dev Singh, Abhijith Hari Menon, Ramanathan Vaidhyanathan. Chem. Commun., 2023, 59 , 5559 —5562. Article Link.

Hydroxide ion-conducting viologen–bakelite organic frameworks for flexible solid-state zinc–air battery applications. Deepak Rase, Rajith Illathvalappil, Himan Dev Singh, Pragalbh Shekhar, Liya S Leo, Debanjan Chakraborty, Sattwick Haldar, Ankita Shelke, Thalasseril G Ajithkumar, Ramanathan Vaidhyanathan. Nanoscale Horiz. 2023, 8 2, 224– 234. Article Link.

Synergistic electronic effects in Au-Co nanoparticles stabilized in a triazine-based covalent organic framework: a catalyst for methyl orange and methylene blue reduction. Venkata Swaroopa Datta Devulapalli, Rinku Kushwaha, Edwin Ovalle, Himan Dev Singh, Pragalbh Shekhar, Debanjan Chakraborty, Chathakudath Prabhakaran Vinod, Ramanathan Vaidhyanathan, Eric Borguet. ACS Appl. Nano Mater. 2022, 5, 4, 4744–4753. Article Link.

Coordination Flexibility Aided CO2‐specific Gating in an Iron Isonicotinate MOF. Himan Dev Singh, Shyamapada Nandi, Debanjan Chakraborty, Kirandeep Singh, Chathakudath P Vinod, Ramanathan Vaidhyanathan. Chem.─Asian J. 2022, 17 (4), e202101305. Article Link.

A covalent organic framework with electrodeposited copper nanoparticles–a desirable catalyst for the Ullmann coupling reaction. Chandana Chandran, Himan Dev Singh, Liya S Leo, Pragalbh Shekhar, Deepak Rase, Debanjan Chakraborty, Chathakudath P Vinod, Ramanathan Vaidhyanathan. J. Mater. Chem. A, 2022, 10 (29), 15647– 15656. Article Link.

Deciphering the Weak CO2···Framework Interactions in Microporous MOFs Functionalized with Strong Adsorption Sites—A Ubiquitous Observation. Shyamapada Nandi, Himan Dev Singh, Debanjan Chakraborty, Rahul Maity, Ramanathan Vaidhyanathan. ACS Appl. Mater. Interfaces, 2021, 13, 24976– 24983. Article Link.

Ag Nanoparticles Supported on a Resorcinol‐Phenylenediamine‐Based Covalent Organic Framework for Chemical Fixation of CO2. Debanjan Chakraborty, Pragalbh Shekhar, Himan Dev Singh, Rinku Kushwaha, CP Vinod, Ramanathan Vaidhyanathan. Chem.─Asian J. 2019, 14 (24), 4767– 4773.  Article Link.

Water‐stable Adenine‐based MOFs with Polar Pores for Selective CO2 Capture. Rahul Maity, Himan Dev Singh, Ankit Kumar Yadav, Debanjan Chakraborty, Ramanathan Vaidhyanathan. Chem. – Asian J., 2019, 14 , 3736 —3741.  Article Link.