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"Studies on the synthesis and photochemical and photophysical characterization of quinoline derivatives with donor-Pi-acceptor structure for use as sensitizing dyes of organic electronic devices"

Grant number: 18/10112-4
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): September 01, 2018
Effective date (End): February 22, 2019
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal researcher:Luiz Carlos da Silva Filho
Grantee:Giovanny Carvalho dos Santos
Supervisor abroad: Johannes Karlheinz Gierschner
Home Institution: Faculdade de Ciências (FC). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil
Research place: Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Spain  
Associated to the scholarship:15/00615-0 - Studies on the synthesis and photochemical and photophysical characterization of quinoline derivatives with donor-p-acceptor structure for use as sensitizing dyes in organic electronic devices, BP.DR


There is no doubt that the search for novel organic molecules with a potential role in innovative organic (opto)electronic devices that has taken hold of our daily lives. Synthetic organic chemistry together with computational quantum chemical calculations emerge as excellent tools for the design and development of new classes of molecules as well as structural modifications in those already used in various organic electronic devices. Among the properties which are of interest in organic optoelectronic devices, the optical and photophysical properties of the compounds are of utmost importance in many applications. Among the materials classes used for this purpose, quinoline and anthrazoline derivatives have received great interest in the scientific community in several applications. In the current project, we aim at the exploration and understanding of the optical and photophysical properties of anthrazoline compounds synthesized by multicomponent reactions. Detailed spectroscopic and computational studies are considered as an essential step for the application of these materials in various organic electronic devices. Detailed investigations will include the study of solvent effects, pH variations and the impact of various functional groups, with respect to fluorescence quantum yields and lifetimes. In addition, (time-dependent) DFT studies will assist in the explanation of the optical behavior by calculating geometries, electronic structure and the absorption and fluorescence properties.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DOS SANTOS, GIOVANNY CARVALHO; ROLDAO, JUAN CARLOS; SHI, JUNQING; MILIAN-MEDINA, BEGONA; DA SILVA-FILHO, LUIZ CARLOS; GIERSCHNER, JOHANNES. Combined Spectroscopic and TD-DFT Analysis to Elucidate Substituent and Acidochromic Effects in Organic Dyes: A Case Study on Amino- versus Nitro-Substituted 2,4-Diphenylquinolines. ChemPhysChem, v. 21, n. 16 JUL 2020. Web of Science Citations: 0.

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