Small Donor–Acceptor Molecules Based on a Quinoline–Fluorene System with Promising Photovoltaic Properties
PBN-AR
Instytucja
Wydział Matematyki, Fizyki i Chemii (Uniwersytet Śląski w Katowicach)
Źródłowe zdarzenia ewaluacyjne
Informacje podstawowe
Główny język publikacji
EN
Czasopismo
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
ISSN
1434-193X
EISSN
1099-0690
Wydawca
WILEY-BLACKWELL
DOI
URL
Rok publikacji
2016
Numer zeszytu
14
Strony od-do
2500-2508
Numer tomu
2016
Identyfikator DOI
Liczba arkuszy
0,4
Streszczenia
Język
EN
Treść
A series of small donor–acceptor (D–A) systems based on quinoline derivatives bearing a fluorenyl motif were synthesized through Ru-catalyzed reactions. Their photophysical, electrochemical, and structural properties were investigated deeply. The photoluminescence spectra of most of the compounds were characterized by an intense band at λ ≈ 400 nm, whereas a redshifted band occurred at λ = 560 nm if the substituent of the quinoline was changed to the strongly electron-withdrawing NO2 group. Most of the synthesized compounds exhibited appealing luminescence and electrical properties, which might make them useful materials for photovoltaics. Preliminary electrical conductivity measurements of indium tin oxide/compound/Al devices showed that the current is enhanced as the applied voltage increases and, therefore, proved the semiconducting properties of the investigated compounds. Moreover, one of the synthesized compound was tested as a component of the active layer in a bulk heterojunction (BHJ) solar cell, and a power conversion efficiency (PCE) of 0.25 % was obtained.
Inne
System-identifier
0192700127798
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