Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 39, Pages 16127-16130Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja306376s
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Funding
- NRF [NRF 2010-0029245]
- Global Frontier R&D Program on Center for Multiscale Energy System [NRF 2011-0031571]
- Ministry of Education, Science and Technology through the National Research Foundation of Korea
- National Research Foundation of Korea [2010-0029245, 과06B1510] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Phosphorus-doped ordered mesoporous carbons (POMCs) with different lengths were synthesized using a metal-free nanocasting method of SBA-15 mesoporous silica with different sizes as template and triphenylphosphine and phenol as phosphorus and carbon sources, respectively. The resultant POMC with a small amount of P doping is demonstrated as a metal-free electrode with excellent electrocatalytic activity for oxygen reduction reaction (ORR), coupled with much enhanced stability and alcohol tolerance compared to those of platinum via four-electron pathway in alkaline medium. Interestingly, the POMC with short channel length is found to have superior electrochemical performances compared to those with longer sizes.
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