Halogen-Bond-Assisted Photoluminescence Modulation in Carbazole-Based Emitter.

Abstract:

:Halogen bonding between a carbazole-based, pyridine-substituted organic semiconductor and a common halogen-bond donor (pentafluoroiodobenzene) yields efficient halogen-bond-driven fluorescence modulation in solution. Steady-state, time-resolved emission and absorption spectroscopy as well as density functional theory studies demonstrate that the fluorescence modulation arises from halogen-bond-induced intramolecular charge transfer. Fluorescence modulation offers a range of possibilities both in solution and in the solid state, for instance providing a potential pathway for the design of tunable luminescent materials for light-emitting devices.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Salunke JK,Durandin NA,Ruoko TP,Candeias NR,Vivo P,Vuorimaa-Laukkanen E,Laaksonen T,Priimagi A

doi

10.1038/s41598-018-32830-3

subject

Has Abstract

pub_date

2018-09-26 00:00:00

pages

14431

issue

1

issn

2045-2322

pii

10.1038/s41598-018-32830-3

journal_volume

8

pub_type

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