Single Dibenzoterrylene Molecules in an Anthracene Crystal: Spectroscopy and Photophysics

Autor:	Michel Orrit, Clemens Hofmann, M. A. Kol'chenko, Bolesław Kozankiewicz, Aurélien A. L. Nicolet
Rok vydání:	2007
Předmět:	Anthracene Analytical chemistry Molecular electronics Photochemistry Fluorescence Atomic and Molecular Physics and Optics chemistry.chemical_compound Intersystem crossing chemistry Molecule Physical and Theoretical Chemistry Spectroscopy Saturation (chemistry) Single crystal
Zdroj:	ChemPhysChem. 8:1215-1220
ISSN:	1439-7641 1439-4235
DOI:	10.1002/cphc.200700091
Popis:	We study single dibenzoterrylene molecules in an anthracene single crystal at 1.4 K in two insertion sites at 785.1 and 794.3 nm. The single-molecule zero-phonon lines are narrow (about 30 MHz), intense (the detected fluorescence rates at saturation reach 100,000 counts s(-1)), and very photostable. The intersystem-crossing yield is extremely low (10(-7) or lower). All of these features are hallmarks of an excellent system for high-resolution spectroscopy and nanoscale probing at cryogenic temperatures.
Databáze:	OpenAIRE
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