[1] Univ Western Australia, Sch Mech & Chem Engn, Ctr Strateg Nanofabricat, Crawley, WA 6009, Australia
[2] Univ Western Australia, Sch Chem & Biochem, Ctr Strateg Nanofabricat, Crawley, WA 6009, Australia
[3] Univ Tasmania, Sch Engn, Hobart, Tas 7001, Australia
[4] Flinders Univ S Australia, Sch Chem & Phys Sci, Bedford Pk, SA 5042, Australia
[5] Weizmann Inst Sci, Dept Mat & Interfaces, IL-76100 Rehovot, Israel
[6] Weizmann Inst Sci, Electron Microscopy Unit, IL-76100 Rehovot, Israel
[7] Ben Gurion Univ Negev, Jacob Blaustein Inst Desert Res, Dept Solar Energy & Environm Phys, IL-84990 Sede Boqer Campus, Israel