利用一种改进后的U型管圆锥泡声致发光装置,研究了若丹明6G在1,2-丙二醇溶液中的光致发光现象.测量得到了若丹明6G在不同浓度时的圆锥泡声致发光光谱,结果表明利用圆锥泡声致发光可以激发若丹明6G使其发出荧光,从而证明了在溶液中加入荧光物质的声致发光实验中存在光致发光现象.在较高浓度时,由于若丹明6G存在强烈的自吸收,圆锥泡光致发光的荧光峰值与利用普通激光激发得到的荧光峰值相比向长波方向发生了红移.圆锥泡光致发光能否在光谱测量中被探测到在一定程度上取决于荧光与圆锥泡声致发光的光发射强度的比值.
[1] 何寿杰, 陈岐岱, 李雪辰, 艾希成, 张建平, 王龙, He Shou-Jie, Chen Qi-Dai, Li Xue-Chen, Ai Xi-Cheng, Zhang Jian-Ping, Wang Long. 圆锥气泡声致发光光脉冲和光谱 [J]. 物理学报 2005.doi:10.3321/j.issn:1000-3290.2005.02.082
[2] BARBER B P, PUTrERMAN SJ. Observation of synchronous picosecond sonohnminescence [J]. Nature 1991, 352.
[3] Pecha R., Gompf B.. Microimplosions: Cavitation collapse and shock wave emission on a nanosecond time scale [J]. Physical review letters 2000, 6(6).
[4] ROBERT H, SETH J P, BRADLEY P B. Spectrum of synchronous picosecond Osonoluminescence [J]. Phys' Rev Lett 1992, 69(08).
[5] Gompf B, Gunther R, Nick G, Pecha R, Eisenmenger W. Resolving sonoluminescence pulse width with time-correlated single photon counting [J]. Physical review letters 1997, 7(7).
[6] VAZQUEZ G, CAMARA C, PUTTERMAN S J. Blackbody spectra for sonoluminescence hydrogen bubbles [J]. Physical Review Letters 2002, 88(19).
[7] SUSLICK K S, HAMMERTON D A, CLINE R E. Sonochemical hot spot [J]. Journal of the American Chemical Society 1986, 108(18).
[8] Xu N., Hu XW., Wang L.. Bremsstrahlung of nitrogen and noble gases in single-bubble sonoluminescence [J]. Physical review.E.Statistical physics, plasmas, fluids, and related interdisciplinary topics 2000, 3(3).
[9] Muthupandian Ashokkumar, Franz Grieser. Sonophotoluminescence from aqueous and non-aqueous solutions [J]. Ultrasonics sonochemistry 1999, 1/2(1/2).
[10] HATANAKA S, MITOME H, YASUI K E. Single-bubble sonochemiluminescence in aqueous luminol solutions [J]. Journal of the American Chemical Society 2002, 124(35).
[11] Leighton TG., Flaxman R., Ho WL.. SONOLUMINESCENCE FROM THE UNSTABLE COLLAPSE OF A CONICAL BUBBLE [J]. Ultrasonics 1997, 5(5).
[12] Chen Qi-Dai, Wang Long. Production of large size single transient cavitation bubbles with tube arrest method [J]. 2004.
