3 years ago

The peak shift and evolution of upconversion luminescence from CsPbBr3 nanocrystals under femtosecond laser excitation

The peak shift and evolution of upconversion luminescence from CsPbBr3 nanocrystals under femtosecond laser excitation
Weilong Liu, Qiuju Han, Yanqiang Yang, Wenzhi Wu
Compared with normal PL, a red shift of upconversion PL spectrum is observed. Time-resolved PL and TA spectroscopies show FWHM and peak position are changed at various times, which suggest the existence of more than single excited state.

Publisher URL: http://feeds.rsc.org/~r/rss/ra/~3/Br2_A3Bbqcg/C7RA06211G

DOI: 2017/RA/C7RA06211G

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