4.8 Article

Thermal Conductivity of ZIF-8 Thin-Film under Ambient Gas Pressure

期刊

ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 34, 页码 28139-28143

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b06662

关键词

metal organic framework; zeolitic imidazolate framework; ZIP-8; thin film; thermal conductivity; gas storage

资金

  1. AFOSR [FA9550-15-1-0247]
  2. NSF [CCF-1422489, DGE-1324585]
  3. MRSEC program of the National Science Foundation at the Materials Research Center of Northwestern University [DMR-1121262]
  4. International Institute for Nanotechnology (IIN)
  5. Keck Foundation
  6. State of Illinois
  7. Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource (NSF) [NNCI-1542205]
  8. U.S. Department of Energy, Office of Science [DE-FG02-08ER15967]
  9. DTRA [HDTRA1-14-1-0014]

向作者/读者索取更多资源

Thermal conductivity is a crucial parameter for managing exothermal gas adsorption in metal organic frameworks (MOFs), but experimental studies have been limited. In this work, the thermal conductivity of a zeolitic imidazolate framework ZIF-8 was experimentally determined on thin films using the 3co technique at different partial pressures in perfluorohexane, nitrogen, air, and vacuum ambients at 300 K. In contrast to theoretical prediction, the thermal conductivity kappa = 0.326 + 0.002 W/m K was approximately independent of ambient gas species and pressure from atmospheric pressure to vacuum. This work introduces a useful approach for probing MOF thermal conductivity under gas adsorption.

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