scholarly journals Characterization of the orientation of ethanol-water clusters by polarized fluorescence spectrum

2007 ◽  
Vol 56 (5) ◽  
pp. 2962
Author(s):  
Liu Ying ◽  
Song Chun-Yuan ◽  
He Wen-Liang ◽  
Luo Xiao-Sen ◽  
Lu Jian ◽  
...  
Keyword(s):  
Fluorescence Spectrum ◽  
Water Clusters ◽  
Polarized Fluorescence

Polarized Fluorescence Spectrum of Naphthalene Excimer in a Stretched Polymer Film

1979 ◽  
Vol 83 (8) ◽  
pp. 821-825 ◽  
Author(s):  
Michio Kobayashi ◽  
Yoshie Tanizaki ◽  
Toshihiko Hoshi ◽  
Junko Yoshino ◽  
Masamichi Komuro
Keyword(s):  
Polymer Film ◽  
Fluorescence Spectrum ◽  
Polarized Fluorescence

Syntheses and characterization of two metal–water clusters

2007 ◽  
Vol 360 (12) ◽  
pp. 3771-3776 ◽  
Author(s):  
Taohai Li ◽  
Feng Li ◽  
Yanqin Wang ◽  
Wenhua Bi ◽  
Xing Li ◽  
...  
Keyword(s):  
Water Clusters ◽  
Metal Water

A Fluorescence Study of Hematoporphyrin

1973 ◽  
Vol 27 (6) ◽  
pp. 444-449 ◽  
Author(s):  
R. C. Srivastava ◽  
V. D. Anand ◽  
W. R. Carper
Keyword(s):  
Fluorescence Spectrum ◽  
Visible Region ◽  
Molecular Association ◽  
Polarized Fluorescence ◽  
Fluorescence Study ◽  
Absorption Bands ◽  
Intense Band ◽  
Fluorescence Characteristics ◽  
Polarization Factor

The fluorescence characteristics of hematoporphyrin have been studied at 26°C as a function of concentration and pH. The pk values are 4.7 and 8.2 as determined in water and water-ethanol mixtures. The fluorescence spectrum consists of a peak at 625 nm and a second, less intense band at 675 nm. These emission bands are assigned to the Qy (0 → 0) and Qx (0 → 0) states. The four absorption bands in the visible region are assigned to π → π* transitions as follows: 502 nm, (1 ← 0); 536 nm, Qy (0 ← 0); 557 nm, Qx (1 ← 0); and 605 nm, Qx (0 ← 0). Corresponding excitation wavelengths include 505,540,570, and 620 nm. Polarized fluorescence is used to establish molecular association as a function of concentration. The polarization factor is used to verify the change from D2h to D4h symmetry as a function of pH.

Polarized fluorescence spectrum of triphenylene in a n‐heptane single crystal. Evidence for deformed molecules

1978 ◽  
Vol 69 (8) ◽  
pp. 3639-3646 ◽  
Author(s):  
Michel Lamotte ◽  
Salomon Risemberg ◽  
Anne‐Marie Merle ◽  
Jacques Joussot–Dubien
Keyword(s):  
Single Crystal ◽  
Fluorescence Spectrum ◽  
Polarized Fluorescence

scholarly journals Erratum: Polarized fluorescence spectrum of triphenylene in an‐heptane single crystal. Evidence for deformed molecules

1979 ◽  
Vol 70 (4) ◽  
pp. 2050-2050
Author(s):  
Michel Lamotte ◽  
Salomon Risemberg ◽  
Anne‐Marie Merle ◽  
Jacques Joussot‐Dubien
Keyword(s):  
Single Crystal ◽  
Fluorescence Spectrum ◽  
Polarized Fluorescence

Syntheses and characterization of two copper pyridine-dicarboxylate compounds containing water clusters

Polyhedron ◽  
2010 ◽  
Vol 29 (11) ◽  
pp. 2345-2351 ◽  
Author(s):  
Okan Zafer Yeşilel ◽  
İnci İlker ◽  
Moamen S. Refat ◽  
Hiroyuki Ishida
Keyword(s):  
Water Clusters
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