Photoinduced electron transfer process probed by persistent spectral hole burning spectroscopy. The effect of the acceptor on non-photochemical hole burning

1995 ◽  
Vol 243 (3-4) ◽  
pp. 297-301 ◽  
Author(s):  
Hideaki Shirota ◽  
Shinjiro Machida ◽  
Takashi Yamashita ◽  
Kazuyuki Horie
Keyword(s):  
Electron Transfer ◽  
Transfer Process ◽  
Photoinduced Electron Transfer ◽  
Hole Burning ◽  
Spectral Hole Burning ◽  
Electron Transfer Process ◽  
Spectral Hole ◽  
Photochemical Hole Burning

Redox equilibrium and spectral hole burning in Sm2+-doped Al2O3–SiO2 glasses

2002 ◽  
Vol 17 (8) ◽  
pp. 2053-2058 ◽  
Author(s):  
Masayuki Nogami ◽  
Toyonori Eto ◽  
Kazuhiro Suzuki ◽  
Tomokatsu Hayakawa
Keyword(s):  
Electron Transfer ◽  
Sol Gel ◽  
Hole Burning ◽  
Spectral Hole Burning ◽  
Oxygen Defect ◽  
Redox Equilibrium ◽  
Defect Center ◽  
X Ray ◽  
Spectral Hole ◽  
Gel Glasses

Sm2+ ion-doped Al2O3–SiO2 glasses were prepared using sol-gel and melt-quenching methods; the redox equilibrium and spectral hole burning were investigated. The Sm3+ ions were reduced into Sm2+ by heating in H2 gas or x-ray irradiation. The redox between the Sm3+ and Sm2+ obeyed first-order kinetics, the rate of which was larger for the sol-gel glasses. The Sm3+ ions were also reduced by x-ray irradiation and the activation energy for redox equilibrium was half of that for the glasses treated in H2 gas. Two different mechanisms were proposed for the redox reaction of the samarium ions. In the x-ray irradiated glasses, the Sm3+ ions were reduced into Sm2+ by electron transfer from the oxygen defect center, whereas the H2-gas reaction removed the oxygen ions to reduce the Sm3+ ions. The spectral hole burning of the x-ray-irradiated glasses could be burned by the reverse reaction of the reduction of the Sm3+ ions; that is, the electron transfer from the excited Sm2+ into the surrounding oxygen. A short distance between the Sm2+ and oxygen defect centers allowed fast hole burning. On the other hand, the hole burning in the H2-treated glasses was performed by electron transfer between Sm2+ and another trapping center such as Sm3+.

Photon-gated spectral hole burning by donor-acceptor electron transfer

1987 ◽  
Vol 12 (5) ◽  
pp. 370 ◽  
Author(s):  
T. P. Carter ◽  
C. Bräuchle ◽  
V. Y. Lee ◽  
M. Manavi ◽  
W. E. Moerner
Keyword(s):  
Electron Transfer ◽  
Hole Burning ◽  
Spectral Hole Burning ◽  
Spectral Hole ◽  
Donor Acceptor

Immobilization of a boronic receptor for fructose recognition: influence on the photoinduced electron transfer process

2003 ◽  
Vol 90 (1-3) ◽  
pp. 256-263 ◽  
Author(s):  
E.Vélez López ◽  
G.Pina Luis ◽  
J.L. Suárez-Rodrı́guez ◽  
I.A. Rivero ◽  
M.E. Dı́az-Garcı́a
Keyword(s):  
Electron Transfer ◽  
Transfer Process ◽  
Photoinduced Electron Transfer ◽  
Electron Transfer Process

Synthesis and Photoinduced Electron-Transfer Process of a Novel Triphenylamine-Substituted Polyfluorene–C60 Triad

2007 ◽  
Vol 13 (6) ◽  
pp. 1709-1714 ◽  
Author(s):  
Yu Chen ◽  
Mohamed E. El-Khouly ◽  
Xiao-Dong Zhuang ◽  
Nan He ◽  
Yasuyuki Araki ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Transfer Process ◽  
Photoinduced Electron Transfer ◽  
Electron Transfer Process

scholarly journals Tracing photoinduced electron transfer process in conjugated polymer/fullerene bulk heterojunctions in real time

2001 ◽  
Vol 340 (3-4) ◽  
pp. 232-236 ◽  
Author(s):  
Christoph J Brabec ◽  
Gerald Zerza ◽  
Giulio Cerullo ◽  
Sandro De Silvestri ◽  
Silvia Luzzati ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Real Time ◽  
Transfer Process ◽  
Conjugated Polymer ◽  
Photoinduced Electron Transfer ◽  
Bulk Heterojunctions ◽  
Electron Transfer Process
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