Raman and photoluminescence investigation of CdS/CdSe quantum dots on TiO2 nanoparticles with multi-walled carbon nanotubes and their application in solar cells

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題名:	Raman and photoluminescence investigation of CdS/CdSe quantum dots on TiO2 nanoparticles with multi-walled carbon nanotubes and their application in solar cells
作者:	張勝雄;Lee, Kun-Mu;Chang, Sheng Hsiung;Wu, Ming-Chung;Wu, Chun-Guey
貢獻者:	理學院光電科學與工程學系
關鍵詞:	Energy transfer;Photoluminescence;Raman scattering
日期:	2015-09-05
上傳時間:	2026-04-23 11:43:11 (UTC+8)
出版者:	Elsevier;Elsevier B.V
摘要:	摘要： Raman spectroscopy and photoluminescence (PL) were used to investigate the improved short-circuit current density (JSC) of CdS/CdSe quantum dot (QD)-sensitized solar cells with multi-walled carbon nanotubes (MWCNTs). Raman and PL experiments were carried out in order to explore the hot-electron and cold-electron injections, respectively. The experimental results showed that the concentration of MWCNTs influences the hot-electron and cold-electron injections from CdS/CdSe QDs to TiO2 nanoparticles. Therefore, the improved JSC in CdS/CdSe QD-sensitized solar cells can be explained as due to the better electron injections. 出版者： Elsevier B.V 出版日期： 2015-09-01 出處： Vibrational spectroscopy, 2015-09, Vol.80, p.66-69 版權： 2015 Elsevier B.V. 識別號： ISSN: 0924-2031 識別號： EISSN: 1873-3697 識別號： DOI: 10.1016/j.vibspec.2015.08.001
顯示於類別:	[光電科學與工程學系] 期刊論文

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