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Nanoscale. 2014 Jun 21;6(12):6526-30. doi: 10.1039/c4nr01296h.

A metal-organic framework as a chemical guide to control hydrogen desorption pathways of ammonia borane.

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1
Department of Materials Science & Engineering and NanoCentury KAIST Institute, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea. jeungku@kaist.ac.kr.

Abstract

We report that ammonia borane with a high uptake capacity for hydrogen can be encapsulated in a metal-organic framework (MOF) via capillary action, where the MOF functions as a chemical guide to control the hydrogen desorption pathways of ammonia borane by releasing only pure hydrogen, lowering its hydrogen desorption temperature, and suppressing its volumetric expansion during hydrogen desorption.

PMID:
24842695
DOI:
10.1039/c4nr01296h
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