| Citation: |
Cheng Cheng, Wang Xiaoyan, Lvi Deyi. Absorption Spectra of Nanocrystal PbSe and Doped Processes in Fibers[J]. Journal of Semiconductors, 2007, In Press.
Cheng C, Wang X Y, Lvi D. Absorption Spectra of Nanocrystal PbSe and Doped Processes in Fibers[J]. Chin. J. Semicond., 2007, 28(S1): 107.
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Absorption Spectra of Nanocrystal PbSe and Doped Processes in Fibers
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Abstract
The near-IR absorption spectra of PbSe nanocrystal(quantum dot)with 5.5nm diameter are measured.The peak of absorption cross section of the PbSe quantum dot is determined by the quantum-dot concentration，diameter and Beer-Lambert law.The doped technics making the quantum-dot fiber in a laboratory are presented by a vacuum method，an injection method and an infiltration method available.Silicic acid sol used as a dopant in the fiber core is obtained.Such silicic acid sol possesses a refractive index near the general fiber claddings.-
Keywords:
- quantum dot,
- quantum dot fiber,
- absorption cross-section
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References
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Proportional views
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