| 초록 |
Platinum has been the standard for high activity oxygen reduction reaction (ORR) catalyst for over a century. However, the Pt catalyst suffers from the crucial disadvantages of high cost, large overpotential loss, and limited long-term reliability. In this study, we present the synthesis of a Fe-porphyrin-like carbon nanotube which was studied by plasma-enhanced chemical vapor deposition(PECVD). X-ray and ultraviolet photoemission spectroscopy and first-principles electronic structure calculations were used to characterize the incorporation of the 5-6-5-6 porphyrinic Fe-N4 into the side wall of CNT. The resulting Fe-porphyrin-like nanotube reveals an excellent oxygen reduction catalytic properties with the superior structural stability then commercial Pt-C catalyst. |
