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Titolo:
EXCITED-STATE PROTON-TRANSFER IN 1-NAPHTHOL-CENTER-DOT(NH3)(N) COMPLEXES - THE THRESHOLD SIZE IS N = 4
Autore:
KNOCHENMUSS R;
Indirizzi:
ETH ZENTRUM,LOC,UNIV STR 16 CH-8092 ZURICH SWITZERLAND
Titolo Testata:
Chemical physics letters
fascicolo: 3-4, volume: 293, anno: 1998,
pagine: 191 - 196
SICI:
0009-2614(1998)293:3-4<191:EPI1C>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
GAS-PHASE CLUSTERS; ACID-BASE REACTIONS; 1-NAPHTHOL AMMONIA; WATER CLUSTERS; DYNAMICS; SOLVATION; ALPHA-NAPHTHOL.(NH3)N; PHENOL-(NH3)N; REACTIVITY; PIPERIDINE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
31
Recensione:
Indirizzi per estratti:
Citazione:
R. Knochenmuss, "EXCITED-STATE PROTON-TRANSFER IN 1-NAPHTHOL-CENTER-DOT(NH3)(N) COMPLEXES - THE THRESHOLD SIZE IS N = 4", Chemical physics letters, 293(3-4), 1998, pp. 191-196

Abstract

Resonant two-photon ionization, fluorescence and fluorescence-detected excitation spectra of l-naphthol(NH,),, clusters are reported and interpreted with emphasis on determining the smallest clusters for whichexcited-state proton transfer (ESPT) can occur. Consistent with the earliest studies but in contrast to more recent work, the ESPT threshold is found at n = 4, not n = 3. The confusion is shown to have arisen from weak, broad fluorescence of n = 1-3 clusters extending to similarto 400 nm. Excitation spectra of genuine ESPT emission at longer wavelengths gives no indication of contributions from n < 4. (C) 1998 Elsevier Science B.V. All rights reserved.

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Documento generato il 01/12/20 alle ore 07:52:04