Modulation of the band gap of tungsten oxide thin films through mixing with cadmium telluride towards photovoltaic applications

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• 作者：A.H.Y. Hendi^a ; ^{ahendi@kfupm.edu.sa} ; M.F. Al-Kuhaili^a ; S.M.A. Durrani^a ; M.M. Faiz^a ; ^d ; A. Ul-Hamid^b ; A. Qurashi^c ; I. Khan^c
• 关键词：Tungsten oxide ; Cadmium telluride ; Band gap ; Photocurrent
• 刊名：Materials Research Bulletin
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：87
• 期：Complete
• 页码：148-154
• 全文大小：2475 K
• 卷排序：87

文摘

Band gap of thermally-evaporated WO3 thin films was modulated by mixing with CdTe. We accomplished wide band gap tunability by 0.83 eV of the alloyed films. Our results showed that a wider portion of the visible spectrum can be harvested. The photocurrent response increased significantly with CdTe concentration. Therefore, the alloyed films are suitable for photovoltaic applications.