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Citation: Hu Lin-Xue, Wang Bao-Lan, Li Jian-Ping, Li Xiao-Qin, Li Hong-Bin. Spectral Properties of Ultrafine Particles of Eu(DBM)₃[J]. Acta Physico-Chimica Sinica, ;1997, 13(01): 56-59. doi: 10.3866/PKU.WHXB19970111 shu

Spectral Properties of Ultrafine Particles of Eu(DBM)₃

1.
Department of Chemistry,Laboratory Center,Hubei University,Wuhan 430062

Received Date: 24 May 1996
Available Online: 15 January 1997

The colloids of Eu(DBM)3 and ultrafine particles Eu(DBM)3 were perpared. The particle sizes determined by X-ray and by TEM measurements were in 7-30nm range. Their UV absorption and fluorescence spectra were compared with each other and with those of the solid sample. It was shown that the 5D1→7 F1,2 transition was observed in the colloids of Eu(DBM)3 at room temperature. The increase of the excited-state S1 and T1 energy, the peak positions of UV absorption shifted to shorter wavelength, the changes of the absoprtion coefficient with decreasing size were observed.
- Ultrafine particle,
- Eu(DBM)₃,
- Fluorescence spectra
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Spectral Properties of Ultrafine Particles of Eu(DBM)₃