1. Raman Spectrum of CdTe quantum dot
邹依伊
maqstic.Z

2. Background What is Quantum Dot?? Properties of Quantum Dot:
Quasi-zero-dimensional nanomaterial
Size: 10 ~ 100 nm
Properties of Quantum Dot:
Fluorescent
Small size
Usage of Quantum Dot

3. Optimisation of the synthesis and modification of CdTe quantum dots for enhanced live cell imaging
Journal of Materials Chemistry, 12th June 2006, Stephen J. Byrne.

4. Purpose
Relationship among the Raman spectrum, fluerescent, and the size of quantum dot;
Connection between CdTe quantum dot and its “coat”
Material-
3-Mercaptopropionic acid-stablisied QDs desolved in water

5. Fluorescent Formula of size and fluorescent: Measurement (instrument)λ
Measurement (instrument)
λ=578.5 nm
λ=590.5 nm

6. Raman
Results:
Analysis of picture
__619nm
__615nm
__590nm
__563nm

7. Connection Comparison of two different states of one quantum dot:
Conclusion:
__soluble
__condense

8. Prospect More data Insurance of the repeatability of data
Deeper insight of pictures and statistics
Thank you~