Transient absorption spectroscopy detection of sensitized delayed fluorescence in chiral benzophenone/naphthalene systems

被引：6

作者：

Bonancia, Paula ^{[1
]}

Consuelo Jimenez, M. ^{[1
]}

Miranda, Miguel A. ^{[1
]}

机构：

[1] Univ Politecn Valencia, Dept Quim, Inst Tecnol Quim, CSIC, E-46071 Valencia, Spain

来源：

CHEMICAL PHYSICS LETTERS | 2011年 / 515卷 / 1-3期

关键词：

TRIPLET EXCIPLEXES; DEACTIVATION; MOLECULES; SPECTRA; ENERGY; OXYGEN; STATE;

D O I：

10.1016/j.cplett.2011.08.096

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Transient absorption spectroscopy has proven to be a powerful tool to investigate the formation and decay of excited singlet states upon triplet-triplet annihilation, following T-T energy transfer from a selectively excited sensitizer. Thus, upon selective excitation of benzophenone (BZP) by laser flash photolysis (LFP) at lambda = 355 nm in the presence of naphthalene (NPT), a negative band centered at 340 nm has been detected, with growth and decay in the microsecond timescale. It has been assigned to the P-type NPT delayed-fluorescence. In the case of chiral BZP/NPT systems, stereodifferentiation has been observed in the kinetics of the involved photophysical processes. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：194 / 196

页数：3

共 50 条

[1] Fast transient absorption spectroscopy of the early events in photoexcited chiral benzophenone-naphthalene dyads
Perez-Ruiz, Raul
Groeneveld, Michiel
van Stokkum, Ivo H. M.
Tormos, Rosa
Williams, Rene M.
Miranda, Miguel A.
CHEMICAL PHYSICS LETTERS, 2006, 429 (1-3) : 276 - 281
[2] Stereoselectivity in the triplet decay of chiral benzophenone—naphthalene bichromophoric systems
M. Consuelo Jiménez
Salah-Eddine Stiriba
Rosa Tormos
Julia Pérez-Prieto
Miguel A. Miranda
Photochemical & Photobiological Sciences, 2004, 3 : 36 - 38
[3] Stereoselectivity in the triplet decay of chiral benzophenone-naphthalene bichromophoric systems
Jiménez, MC
Stiriba, SE
Tormos, R
Pérez-Prieto, J
Miranda, MA
PHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES, 2004, 3 (01) : 36 - 38
[4] Delayed differential detection for absorption spectroscopy recovery
Cong, Menglong
Sun, Dandan
OPTICA APPLICATA, 2019, 49 (02) : 303 - 315
[5] SENSITIZED DELAYED FLUORESCENCE IN NAPHTHALENE-ANTHRACENE MIXED CRYSTALS - CONCENTRATION AND TEMPERATURE-DEPENDENCE
PORT, H
BADER, M
WEBER, G
WOLF, HC
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES, 1975, A 30 (03): : 277 - 286
[6] BONDING AND MOBILITY OF ACRIDINE ON SOME METAL-OXIDE SURFACES AS STUDIED BY DELAYED FLUORESCENCE AND TRANSIENT ABSORPTION-SPECTROSCOPY
OELKRUG, D
UHL, S
WILKINSON, F
WILLSHER, CJ
JOURNAL OF PHYSICAL CHEMISTRY, 1989, 93 (11): : 4551 - 4556
[7] Detection of the Dark States in Thermally Activated Delayed Fluorescence (TADF) Process of Electron Donor-Acceptor Dyads: Insights from Optical Transient Absorption Spectroscopy
Zhanghttps, Xue
Zhao, Xiaoyu
Yehttps, Kaiyue
Zhao, Jianzhang
CHEMISTRY-A EUROPEAN JOURNAL, 2023, 29 (16)
[8] Transient absorption spectroscopy used to study mechanisms of sensitized cellular phototoxicity.
Redmond, RW
Aveline, BM
PHOTOCHEMISTRY AND PHOTOBIOLOGY, 1999, 69 : 95S - 95S
[9] COMPARISON OF DETECTION LIMITS IN ATOMIC FLUORESCENCE AND ABSORPTION SPECTROSCOPY
WILLIS, JB
SPECTROSCOPY LETTERS, 1969, 2 (06) : 191 - &
[10] Determination of Enantiomeric Compositions by Transient Absorption Spectroscopy using Proteins as Chiral Selectors
Vaya, Ignacio
Bueno, Carlos J.
Consuelo Jimenez, M.
Miranda, Miguel A.
CHEMISTRY-A EUROPEAN JOURNAL, 2008, 14 (36) : 11284 - 11287

← 1 2 3 4 5 →