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Titolo:
ULTRAFAST RELAXATION PROCESSES OF EXCITONS IN ONE-DIMENSIONAL PLATINUM COMPLEXES
Autore:
IWAI S; KAMATA T; YAMAMOTO K; FUKAYA T; MURATA S; MIZUKAMI F; OHTA T; TACHIYA M;
Indirizzi:
NATL INST MAT & CHEM RES,HIGASHI 1-1 TSUKUBA IBARAKI 305 JAPAN UNIV TOKYO,SCH SCI TOKYO 113 JAPAN
Titolo Testata:
Journal of luminescence
, volume: 76-7, anno: 1998,
pagine: 226 - 229
SICI:
0022-2313(1998)76-7:<226:URPOEI>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
SPECTROSCOPY; POLYDIACETYLENE; ENHANCEMENT;
Keywords:
ONE-DIMENSIONAL METAL COMPLEX; EXCITON; FEMTOSECOND SPECTROSCOPY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
S. Iwai et al., "ULTRAFAST RELAXATION PROCESSES OF EXCITONS IN ONE-DIMENSIONAL PLATINUM COMPLEXES", Journal of luminescence, 76-7, 1998, pp. 226-229

Abstract

Optical response due to the photo-excited carrier or exciton dynamicsin the excited state of a one-dimensional metal complex (Pt(dmg)(2)) has been investigated by femtosecond pump-probe spectroscopy. Measurements were made under various excitation photon energies within the absorption band which originates from the delocalized electronic states along the 1-D chain. Around the lowest-energy absorption peak, absorption bleaching was found to be larger and its decay faster compared to those in higher-energy region. Furthermore, an induced absorption whichis considered to be due to a bi-exciton or relaxed excited state was observed. (C) 1998 Elsevier Science B.V. All rights reserved.

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Documento generato il 29/03/20 alle ore 01:28:04