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0216U001190,
0115U002973
,
The influence of structure of coordination compounds possessing molecular and polymeric structure on the efficiency of energy and electron transfer in luminescent and photovoltaic systems based hereon
Pavlishchuk Vitaliy Valentinovich,
27-01-2016
Institute of Physical Chemistry L.V.Pisarzhevsky NAS Ukraine
It is shown that the p-stacking interactions in tris(pyrazolyl)borate complexes of lanthanides facilitate efficient transfer of excitation energy from the photon absorption site to emitting centre at a distance up to 300 nm. It was found that the fluorescence spectra of supramolecular assemblies based on coordination polymer Eu(BTB)(H2O) (BTB - anion of 1,3,5-benzenetribenzoic acid) with naphthalene or fluorescein two-fold increase intensity of the metal-centered emission of Eu3+. It was found that the supramolecular system built from the Ho3 + -Cu2 + - metallacrowns linked with tris oksalatochromate exhibits properties of molecular magnets. It is found that the deposition of the titanium(IV) complex with a ligand bis(3,4-dihydroxyphenyl)thiazolothiazole on TiO2 in the photovoltaic cell results in an increase of the photocurrent at 25(±2) microA/cm2, while the deposition of the ligand reduces the magnitude of the photocurrent on 3 microA/cm2. We found that deposition of a complex of zinc chloride with bis (2-benzimidazolyl)bisthiazole on ZnO film can achieve a short-circuit current at 40 microA/cm2, which is substantially higher in comparison with short-circuit current of the complex deposited on the TiO2 (17 microA/cm2).
Ільїн В.Г.
Василенко І.В.
Грабова Н.В.
Колотілов С.В.
Красноход В.М.
Литвиненко А.С.
Міхальова О.А.
Павліщук В.В.
Полунін Р.А.
Сацька Ю.А.
Селищев О.В.
2020-04-02
Updated: 2025-12-07
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