Chemical Physics Letters 695 (2018) 176–182 Contents lists available at ScienceDirect Chemical Physics Letters journal homepage: www.elsevier.com/locate/cplett Research paper Vibronic singlet and triplet steady-state interplay emissions in phenazine-based 1,2,3-triazole ﬁlms a a a b a Bárbara B.A. Costa , Paula D.C. Souza , Rafael N. Gontijo , Guilherme A.M. Jardim , Roberto L. Moreira , b a,⇑ Eufrânio N. da Silva Júnior , Luiz A. Cury Instituto de Ciências Exatas, Departamento de Fí sica, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Minas Gerais, Brazil Instituto de Ciências Exatas, Departamento de Quí mica, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Minas Gerais, Brazil ar ti c l e i nf o ab stra ct Article history: Photoluminescence and phosphorescence emissions of solid-state phenazine ﬁlms were investigated in Received 5 December 2017 steady-state experimental conditions. Important discrepancies were observed for blended ﬁlms where In ﬁnal form 7 February 2018 a host optically inert matrix was introduced to disperse the probe molecules. A vibronic spin-orbit phos- Available online 8 February 2018 phorescent emission clearly appeared, while for the ﬁlms solely composed by the probe molecules, the phosphorescence broadened and presented a structureless shape, shifted to longer wavelengths. Keywords: Further Arrhenius
Chemical Physics Letters – Elsevier
Published: Mar 1, 2018
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