Journal
CHEMCATCHEM
Volume 7, Issue 13, Pages 1920-1925Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201500398
Keywords
defects; electrochemistry; hydrogen evolution reaction; metal-organic frameworks; transition-metal phosphides
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Funding
- National Basic Research Program of China (973 Program) [2011CB935800]
- National Natural Science Foundation of China [21405152]
- Science and Technology Development Plan of Jilin Province [20130101126JC]
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A defect-rich CoP/nitrogen-doped carbon composite is reported for the first time derived from ZIF-67 by means of low-temperature phosphidation process. As a hydrogen evolution reaction electrocatalyst, the obtained CoP-N-C has high HER activity and good stability with a low onset overpotential of 31mV, a small Tafel slope of 42mVdec(-1), a large exchange current density of 1.6x10(-1)mAcm(-2), and a 10mAcm(-2) current density at overpotential 91mV.
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