DataVXACS Materials LettersPaper
journal article·2026-03-02

Locking of CO 2 in a Bioinspired Porous-Organic-Polymeric Prison: Impact of Aliphatic Odd–Even Linker Combination

Nitumani Das, Chandan Biswas, Sai Vikrama Chaitanya Vummaleti, Tahereh Azizivahed, Yining Huang, Wenjing Wang, Xinglong Zhang, John Mondal

ACS Materials Letters· Volume 8· Issue 3
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Source abstract

Abstract

The critical need for better sorbents for CO 2 capture and separation (CCS) is at the forefront of the current research scenario, which is addressed here by synthesizing allomelanin-inspired porous organic polymers (POPs) LPOP - n ( n = 1–5). An investigation into the effect of different linkers on CO 2 adsorption revealed an interesting performance trend, with LPOP-2 showing the highest CO 2 uptake, 3.50 and 3.02 mmol/g at 273 and 298 K, respectively, with impressive CO 2 /N 2 selectivity. Moreover, a dynamic breakthrough experiment revealed a longer breakthrough time for CO 2 than that for N 2, verifying the feasibility of LPOP-2 for its practical application in the CCS process. Density functional theory (DFT) calculations indicated that noncovalent interactions (NCIs), like π-quadrupole interaction and H-bonding, were crucial in dictating the varying CO 2 adsorption behaviors across the LPOP - n series. This work underscores how simple materials originating from biologically active units can produce biocompatible materials for gas adsorption and separation applications.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersBiomaterials

OpenAlex topics: Covalent Organic Framework Applications · Carbon Dioxide Capture Technologies · Metal-Organic Frameworks: Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Catalysis & Fine Chemicals, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad-500 007, India

Academy of Scientific and Innovative Research (AcSIR)

Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India

Institute of High-Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore 138632, Singapore

Department of Chemistry

University of Western Ontario

State Key Laboratory of Structural Chemistry

Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences

The Chinese University of Hong Kong

Funding

Council of Scientific and Industrial Research, India · Agency for Science, Technology and Research · Department of Science and Technology, Ministry of Science and Technology, India · Chinese University of Hong Kong · CSIR - Indian Institute of Chemical Biology · DST-ASEAN AISTDF India Collaborative research project

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