首页|Platinum(II)-containing donor-acceptor dimesitylborane-based complexes: Synthesis, characterization, photophysical and photovoltaic properties
Platinum(II)-containing donor-acceptor dimesitylborane-based complexes: Synthesis, characterization, photophysical and photovoltaic properties
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NSTL
Elsevier
A new series of platinum(II)-containing donor-acceptor (D-A) dimesitylborane-based complexes PT1-PT4 have been successfully synthesized in reasonable yields. The photophysical and electrochemical properties have also been investigated. Complexes PT1-PT4 have narrow energy bandgaps within 1.69-1.74 eV and broad absorption bands within 240-700 nm, which would be suitable candidates for the fabrication of devices in bulk heterojunction (BHJ) solar cells. The devices based on PT4, which has the longest pi-rconjugated framework, showed the highest PCE of 3.07% among all the devices with high open-circuit voltage (V-oc) of 0.92 V, short-circuit photocurrent density (J(sc)) of 7.95 mA cm(-2) and fill factor (FF) of 0.42 at the optimized active layer thickness of 85 nm. These complexes illustrate the potential of solution-processible metallo-organic D-A complexes for efficient power generation in photovoltaic implementation. (C) 2021 Elsevier B.V. All rights reserved.
BHJ solar cellsPlatinumDimesitylboraneNarrow bandgapsPhotovoltaicsORGANIC SOLAR-CELLSCHARGE-TRANSPORTPOLYMERS
NSTL
Elsevier
