Chen, Ching S Effects of potassium on Ni-K/Al2O3 catalysts in the synthesis of carbon nanofibers by catalytic hydrogenation of CO2. [electronic resource] - The journal of physical chemistry. A Mar 2010 - 3773-81 p. digital Publication Type: Journal Article ISSN: 1520-5215 Standard No.: 10.1021/jp904434e doi