The Role of Temperature and Adsorbate on Negative Gas Adsorption in the Mesoporous Metal-Organic Framework DUT-49

Autor: Stefan Kaskel, Nico Grimm, Dirk Wallacher, Daniel D. Többens, François-Xavier Coudert, Irena Senkovska, Volodymyr Bon, Jack D. Evans, Simon Krause
Přispěvatelé: Technische Universität Dresden = Dresden University of Technology (TU Dresden), Stratingh Institute for Chemistry, University of Groningen [Groningen], Institut de Recherche de Chimie Paris (IRCP), Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Ministère de la Culture (MC), Helmholtz Centre for Materials and Energy (HZB)
Rok vydání: 2020
Předmět:
Zdroj: Faraday Discussions
Faraday Discussions, Royal Society of Chemistry, 2020, ⟨10.1039/D0FD00013B⟩
ISSN: 1359-6640
1364-5498
DOI: 10.26434/chemrxiv.11733408.v1
Popis: In this contribution, we present an extensive investigation of adsorption of a range of different gases at various temperatures in DUT-49, a metal-organic framework which features a negative gas adsorption (NGA) transition. Adsorption experiments at temperatures ranging from 21 to 308 K, were used to identify, for each guest, a critical temperature range in which NGA occurs. The experimental results were complemented by molecular simulations that rationalize the absence of NGA at elevated temperatures and the non-monotonic behavior observed upon temperature decrease.
Databáze: OpenAIRE