JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 131, no. 17, page. 6124 - 6132, 2009-05-06
APPLIED PHYSICS LETTERS, vol. 94, no. 18, 2009-05-04
ADVANCED FUNCTIONAL MATERIALS, vol. 16, no. 14, page. 1859 - 1864, 2006-09-18