期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 117, 期 40, 页码 20944-20950出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp406679s
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资金
- BARC-Pune University
- UGC-India
Cyclic voltammetry has been used to investigate the interaction between reduced graphene oxide (r-GO) and CdTe quantum dots (Q-CdTe). For that, the composite of Q:CdTe with r-GO (r-GO-CdTe) was prepared by carrying out the reduction of graphene oxide and the synthesis of Q:CdTe simultaneously, in a single bath. r-GO-CdTe was characterized by UV-visible, steady state fluorescence, time-resolved fluorescence, X-ray diffraction (XRD), Raman, and transmission electron microscopy (TEM). Cyclic voltammetry was employed to determine the quasi-particle gap and band edge parameters of Q:CdTe and r-GO-CdTe. The blue shifts in the quasi-particle gap of r-GO-CdTe have been attributed to the strong interaction of graphene with CdTe. These interactions were further verified by time-resolved fluorescence and Raman spectroscopy which suggested strong electronic coupling between Q-dots and graphene.
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