PT Journal AU Günes, S Abdel-Mottaleb, M Hoppe, H Ayuk Mbi Egbe, D TI Solar cells: from sunlight into electricity SO International journal of photoenergy PD March PY 2015 BP art. 173963 VL 2015 PU Hindawi Publ. Corp DI 10.1155/2015/173963 WP https://www.db-thueringen.de/receive/dbt_mods_00038740 LA en SN 1687-529X PI New York ER