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Title: Red phosphorescence from benzo[2,1,3]thiadiazoles at room temperature

In this paper, we describe the red phosphorescence exhibited by a class of structurally simple benzo[2,1,3]thiadiazoles at room temperature. The photophysical properties of these molecules in deoxygenated cyclohexane, including their absorption spectra, steady-state photoluminescence and excitation spectra, and phosphorescence lifetimes, are presented. Finally, time-dependent density functional theory calculations were carried out to better understand the electronic excited states of these benzo[2,1,3]thiadiazoles and why they are capable of phosphorescence.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [1]
  1. Massachusetts Inst. of Technology, Cambridge, MA (United States)
Publication Date:
Grant/Contract Number:
FG02-07ER46474
Type:
Accepted Manuscript
Journal Name:
Journal of Organic Chemistry
Additional Journal Information:
Journal Volume: 81; Journal Issue: 11; Journal ID: ISSN 0022-3263
Publisher:
American Chemical Society
Research Org:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
OSTI Identifier:
1344917