Work

Adaptive per-hydroxy pillar[5]arene-based frameworks for selective CO2 adsorption under humid conditions

Year: 2025

Type: article

Abstract: This study presents a systematic investigation of per -hydroxy pillar [5] arene (P [5] A-OH) -based Supramolecular Organic Frameworks for CO 2 adsorption. The research emphasizes the critical roles of recrystallization and activation processes in transforming P [5] A-OH into a porous structure conducive to efficient CO 2 uptake. The water vapour adsorption and adsorption cyclability for CO 2 under dry and humid conditions are reported for the first time for P [5] A-OH. The material exhibited a CO 2 adsorption capacity of 2.16 mmol g -1 at 298 K and 1 bar, with CO 2 /N 2 IAST selectivity of 72 and excellent structural and CO 2 adsorption cyclic stability under dry and humid conditions, highlighting its potential as a robust and cyclable adsorbent for CO 2 separation.

Source: Microporous and Mesoporous Materials

DOI: 10.1016/j.micromeso.2025.114022

Authors: John Senith Ravishan Fernando, Venkatesh Bollabathini, Quoc Duy Ho, Kåre B. Jørgensen, Eva Rauls, Sachin Maruti Chavan

Institution: University of Stavanger

Language: English

Topic: Carbon Dioxide Capture Technologies

Subfield: Mechanical Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Climate action

Open Access status: hybrid

Estimated APC paid: $3,970