CHEMISTRY OF MATERIALS, vol. 17, no. 23, page. 5651 - 5657, 2005-11-15
PLOS ONE, vol. 5, no. 6, page. E11334, 2010-06-28
JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 47, no. 2, page. 862 - 866, 2008-02
POLYMER, vol. 45, no. 5, page. 1517 - 1524, 2004-03-01
PLOS ONE, vol. 7, no. 3, page. E33330, 2012-03-15