Photoluminescence of C60 Single Crystals
LI Chaorong, WANG Gang, ZHANG Jiaming* , MAI Zhenhong, ZHAO Tienan, XU Lu, XIE Sishen
Institute of Physics, Academia Sinica, Beijing 100080
* Shanghai Institute of Technical Physics, Academia Sinica, Shanghai 200083
Photoluminescence of C60 Single Crystals
LI Chaorong;WANG Gang;ZHANG Jiaming* ;MAI Zhenhong;ZHAO Tienan;XU Lu;XIE Sishen
Institute of Physics, Academia Sinica, Beijing 100080
* Shanghai Institute of Technical Physics, Academia Sinica, Shanghai 200083
关键词 ：
78.55.-m ,
81.10.Bk ,
61.10.-i
Abstract ： The photoluminescence (PL) spectra of C60 single crystals grown under double temperature gradient (DTG) and single temperature gradient (STG) techniques were investigated at room temperature. The results show that the PL emission intensity increases first and then decreases with increasing illuminated power density for the C60 single crystals grown by both DTG and STG techniques. Furthermore, one main peak with a shoulder peak can be clearly distinguished at low illumination, while only one main peak without the shoulder peak can be seen at high illumination. The main peak undergoes a continuous blue shift and broadening with the increase of illuminated power density. The difference of PL emission energy at the same illumination density of DTG and STG samples may correlated with the degree of both the orientational disorder of C60 molecule and lattice perfectness. The Laue diffraction patterns show that the DTG sample has stronger strains and poorer crystalline quality than the STG sample.
Key words ：
78.55.-m
81.10.Bk
61.10.-i
出版日期: 1995-05-01
引用本文:
LI Chaorong;WANG Gang;ZHANG Jiaming*;MAI Zhenhong;ZHAO Tienan;XU Lu;XIE Sishen
. Photoluminescence of C60 Single Crystals[J]. 中国物理快报, 1995, 12(5): 317-320.
60 Single Crystals. Chin. Phys. Lett., 1995, 12(5): 317-320.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1995/V12/I5/317
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