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有机溶液中圆锥泡声致发光
引用本文:哈静,何寿杰,段平光,李霞,韩育宏,王龙. 有机溶液中圆锥泡声致发光[J]. 物理学报, 2009, 58(1): 602-606
作者姓名:哈静  何寿杰  段平光  李霞  韩育宏  王龙
作者单位:(1)河北大学物理科学与技术学院,保定 071002; (2)河北农业大学理学院,保定 071001
基金项目:国家自然科学基金(批准号:20273077)和河北大学校内青年基金(批准号:2005Q06)资助的课题.
摘    要:在U形管声致发光装置的基础上建立了一套新型的声致发光装置——直管圆锥泡声致发光装置. 利用此装置以有机溶液为液体介质得到了超强的发光脉冲并测量得到了其发光光谱. 结果表明发光光谱为一从紫外光至可见光波长范围的连续谱,上面叠加有C2的d3Πg→d3Πu跃迁形成的五个序列谱带,分别对应于Δv=-2,Δv=-1,Δv=0,Δv<关键词:声致发光光谱斯旺带振动温度

关 键 词:声致发光  光谱  斯旺带  振动温度
收稿时间:2008-05-28
修稿时间:2008-07-09

Conical bubble sonoluminescence in organic solution
Ha Jing,He Shou-Jie,Duan Ping-Guang,Li Xia,Han Yu-Hong,Wang Long. Conical bubble sonoluminescence in organic solution[J]. Acta Physica Sinica, 2009, 58(1): 602-606
Authors:Ha Jing  He Shou-Jie  Duan Ping-Guang  Li Xia  Han Yu-Hong  Wang Long
Abstract:Based on the U-tube, one new type of sonoluminescence apparatus —the conical bubble sonoluminescence straight tube has been set up. Using the apparatus, the ultrabright cavitation luminescence was obtained and the spectra were measured. Results show that the spectra consist in a broad background ranging from the ultraviolet region to the visible region, on which five clear sequences of Swan bands and three sequences of B2Σ+X2Σ+ transition of CN are superimposed. A band assigned to the A2ΔX2Π transition of CH has also been measured. Specially, the vibrational structures of Swan bands could be resolved clearly. In addition, the achieved molecular vibrational temperature is estimated to be about 5100±200 K. Finally, the chemical reactions in the sonoluminescence are discussed, which shows the excitence of chemiluminescence in sonoluminescence from organic solution.
Keywords:sonoluminescence   spectra   Swan band   vibrational temperature
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