Study of the effect of changing the microstructure of titania layers on composite solar cell performance - Xie, Z; Henry, B; Kirov, K; Smith, H; Barkhouse, A; Grovenor, C; Assender, H; Briggs, G; Webster, G; Burn, P; Kano, M; Tsukahara, Y (THIN SOLID FILMS, 2006)