Relationship between the spectral properties of solutions of borofluoride complex of alkylated dipyrromethene and the physicochemical parameters of solvents

Marfin, Yuriy S.; Rumyantsev, E. V.; Fadeev, Ya. S.; Антина, Е. В.

doi:10.1134/s0036024412070163

Cited by 16 publications

(2 citation statements)

References 12 publications

(11 reference statements)

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“…The transition from non-polar solvents to polar ethanol is accompanied by the hypsochromic shift for all investigated compounds. The average Stokes shifts of fluorescence (12 -14 nm) for investigated molecules are higher than the shift of BODIPY compounds with H-substituents in 8-position and approximately equal to commercial CH 3 -substituted analogies [21,22]. It is associated with the increase of the ability to dissipate energy by rotational and vibrational relaxation.…”

Section: Photophysical Characteristicsmentioning

confidence: 91%

Fluorescent Properties of 8-Substituted BODIPY Dyes: Influence of Solvent Effects

et al. 2015

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Three boron-dipyrrine (BODIPY) based dyes with bulky substituents in 8-position of dipyrrin ligand have been synthesized and characterized. Photophysical properties of the obtained compounds have been investigated in different individual solvents and solvent mixtures. Investigated compounds was found to be intensive fluorescent molecular rotors. The influence of different solvent parameters and the substituent nature on rotor characteristics have been observed and discussed. Minor changes in the nature of 8-substituent does not influence the spectral properties, but the presence of nitrogen donor atom in the phenyl substituent could be used for the sensing of the donor-acceptor interactions with solvent or dissolved compounds. The new approach of spectral properties correlation with solvent parameters was proposed, the viscosity parameter should be taken into account in case of BODIPYs with bulky substituents. The intensity of fluorescence molecular rotor properties decrease gradually with the viscosity increase above 1 cP.

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Section: Photophysical Characteristicsmentioning

confidence: 91%

Fluorescent Properties of 8-Substituted BODIPY Dyes: Influence of Solvent Effects

et al. 2015

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“…In this sense, the relationship between the spectral properties of alkylated BODIPYs in solution and the physicochemical parameters of various solvents is of interest. 78 Marfin et al established that a negative solvatochromic effect is intrinsic for BODIPY. They also concluded that specific interactions contribute substantially to the properties of the chromophore, which are determined by the electron donor properties of the solvent.…”

Section: Synthetic Aspects and Photophysical Tuning Of Dpmsmentioning

confidence: 99%

Design, synthesis and photophysical studies of dipyrromethene-based materials: insights into their applications in organic photovoltaic devices

2014

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This review article presents the most recent developments in the use of materials based on dipyrromethene (DPM) and azadipyrromethenes (ADPM) for organic photovoltaic (OPV) applications. These chromophores and their corresponding BF2-chelated derivatives BODIPY and aza-BODIPY, respectively, are well known for fluorescence-based applications but are relatively new in the field of photovoltaic research. This review examines the variety of relevant designs, synthetic methodologies and photophysical studies related to materials that incorporate these porphyrinoid-related dyes in their architecture. The main idea is to inspire readers to explore new avenues in the design of next generation small-molecule and bulk-heterojunction solar cell (BHJSC) OPV materials based on DPM chromophores. The main concepts are briefly explained, along with the main challenges that are to be resolved in order to take full advantage of solar energy.

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Fluorescent Properties of 8-phenylBODIPY in Ethanol – Ethylene Glycol Mixed Solutions

et al. 2014

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Fluorescent characteristics of two BODIPY dyes in solutions were investigated under the viscosity variations. Investigated dyes differ in the nature of 8-substituent of ligand molecule. Viscosity variation was achieved by changing of solvent composition in the binary system ethanol - ethylene glycol and solvent temperature. 8-Phenyl substituted BODIPY is found to exhibit properties of molecular rotor, i.e. its fluorescent characteristics are highly dependent on the viscosity or rigidity of the microenvironment. Increased temperature leads to a linear decrease of fluorescence parameters unlike the solvent composition variation where fluorescence change is nonlinear. The highest specific change in the fluorescence was observed in pure ethanol. Change in the nonradiative decay rate constant values with the increasing of viscosity indicates that the analyzed phenyl substituted complex is a true molecular rotor. Investigated 8-phenylBODIPY could be recommended as promising viscosity sensor in different organic media.

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Relationship between the spectral properties of solutions of borofluoride complex of alkylated dipyrromethene and the physicochemical parameters of solvents

Cited by 16 publications

References 12 publications

Fluorescent Properties of 8-Substituted BODIPY Dyes: Influence of Solvent Effects

Fluorescent Properties of 8-Substituted BODIPY Dyes: Influence of Solvent Effects

Design, synthesis and photophysical studies of dipyrromethene-based materials: insights into their applications in organic photovoltaic devices

Fluorescent Properties of 8-phenylBODIPY in Ethanol – Ethylene Glycol Mixed Solutions

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