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A metal-organic framework as a chemical guide to control hydrogen desorption pathways of ammonia borane
Hyung Mo Jeong1, Weon Ho Shin, Jung Hyo Park
1Department 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.
Nanoscale
|May 21, 2014
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.