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糖太甜521

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专业: 高分子材料结构与性能

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The fluorescence responses of DMCS-TPA towards mechanical,thermal and solvent-fuming processes are illustrated in Fig. 4.The as-prepared powder switch from yellowish green (λem= 512 nm, Φf= 48.59%) to orange (λem= 599 nm, Φf= 3Φ4.53%) luminescence was accompanied by the colour change from yellow to orange upon grinding. As shown in Fig. 5a, the PL spectra of the initial powder are significantly red-shifted by 87 nm with the peak width (FWHM) broadened from 69 nm to 116 nm after grinding. The remarkable conversion of the maximum PL wavelength is among the best results reported currently,which is enough clear to be readily visualized by the naked eye.

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1楼 2014-10-15 11:10:50

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真强必胜: 金币+1, 谢谢 2014-10-15 14:35:53
糖太甜521: 金币+5, 翻译EPI+1, ★★★★★最佳答案 2014-10-16 13:11:51

DMCS-TPA对机械、热和溶剂的荧光反应以及发烟工艺见图4。所制备的粉末从黄绿色（发射波长=512纳米，φF=48.59％）转换为橙色（发射波长=599纳米，φF=3Φ4.53％）荧光，并在研磨时伴随着的颜色从黄色到橙色的变化。如图5a所示，研磨后的初始粉末的PL光谱发生了显著红移，达87 nm，峰宽（FWHM）也明显变宽，从69纳米拓宽至116纳米。该显著的最大PL波长转换是目前报道的最好结果，足够清楚，可以很容易地用肉眼看到。

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