ADVANCED MATERIALS, vol. 21, no. 19, page. 1907 - 1910, 2009-05-18
JOURNAL OF PHYSICAL CHEMISTRY C, vol. 113, no. 31, page. 14034 - 14039, 2009-08-06
CHEMICAL COMMUNICATIONS, no. 12, page. 1472 - 1474, 2009-01
JOURNAL OF PHYSICAL CHEMISTRY C, vol. 113, no. 42, page. 18420 - 18423, 2009-10-22