SOLAR ENERGY MATERIALS AND SOLAR CELLS, vol. 109, page. 148 - 154, 2013-02
JOURNAL OF PHYSICAL CHEMISTRY C, vol. 115, no. 46, page. 23107 - 23112, 2011-11-24
METALS AND MATERIALS INTERNATIONAL, vol. 10, no. 6, page. 555 - 558, 2004-12