Identifying the Bottleneck for Heat Transport in Metal–Organic Frameworks

Sandro Wieser, Tomas Kamencek, Johannes P. Dürholt, Rochus Schmid, Natalia Bedoya‐Martínez, Egbert Zojer

Publikation: Beitrag in einer FachzeitschriftArtikel

Abstract

Controlling the transport of thermal energy is key to most applications of metal–organic frameworks (MOFs). Analyzing the evolution of the effective local temperature, the interfaces between the metal nodes and the organic linkers are identified as the primary bottlenecks for heat conduction. Consequently, changing the bonding strength at that node–linker interface and the mass of the metal atoms can be exploited to tune the thermal conductivity. This insight is generated employing molecular dynamics simulations in conjunction with advanced, ab initio parameterized force fields. The focus of the present study is on MOF-5 as a prototypical example of an isoreticular MOF. However, the key findings prevail for different node structures and node–linker bonding chemistries. The presented results lay the foundation for developing detailed structure-to-property relationships for thermal transport in MOFs with the goal of devising strategies for the application-specific optimization of heat conduction.

Originalspracheenglisch
Aufsatznummer2000211
FachzeitschriftAdvanced Theory and Simulations
Jahrgang4
Ausgabenummer1
DOIs
PublikationsstatusVeröffentlicht - Jan 2021

ASJC Scopus subject areas

  • Allgemein
  • Numerische Mathematik
  • !!Statistics and Probability
  • !!Modelling and Simulation

Fields of Expertise

  • Advanced Materials Science

Kooperationen

  • NAWI Graz

Fingerprint Untersuchen Sie die Forschungsthemen von „Identifying the Bottleneck for Heat Transport in Metal–Organic Frameworks“. Zusammen bilden sie einen einzigartigen Fingerprint.

Dieses zitieren