Strategic structural evolution for enhancing the photovoltaic performance of quinoxaline-based polymers

Nugraha, Dinda Fariesta; Son, Dong Hwan; Wardani, Ratri Puspita; Lee, Seok Woo; Whang, Dong Ryeol; Kim, Joo Hyun; Chang, Dong Wook

doi:10.1016/j.jiec.2022.07.023

Cited by 14 publications

(2 citation statements)

References 41 publications

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“…The device with PF-NDIN-Br-OH demonstrated higher shunt resistance (𝑅 ) values than the ZnO-only-based device (0.77 kΩcm 2 ), by minimizing short circuits between the contacts [30]. The devices incorporating PF-NDIN-I-OH demonstrate the lowest 𝑅 values of 0.69 kΩcm 2 . The values of the 𝑅 align closely with the 𝐹𝐹 values.…”

Section: Photovoltaic Propertiesmentioning

confidence: 98%

“…Polymer solar cells (PSCs) are increasingly acknowledged as a potential renewable energy technology, owing to their light weight, cost-effectiveness, and flexibility [ 1 , 2 , 3 , 4 , 5 , 6 , 7 ]. As a result, the power conversion efficiency (PCE) of PSCs has increased by more than 20% [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

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Novel Polyelectrolytes Based on Naphthalene Diimide with Different Counteranions for Cathode Interlayers in Polymer Solar Cells

Nasrun,

Son,

Kim

2023

IJMS

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We synthesized novel polyelectrolytes based on naphthalene diimide with quaternary amine featuring hydroxyl groups at the side chain, along with different counteranions (PF-NDIN-Br-OH and PF-NDIN-I-OH) for polymer solar cell (PSC) application as the interlayer. The polyelectrolytes establish a beneficial interface dipole through the ionic moieties and synergistic effects arising from the hydroxyl groups located at the side chain. Incorporating polyelectrolytes as the cathode interlayer resulted in an enhancement of the power conversion efficiency (PCE). The PCE of the device with PF-NDIN-Br-OH increased from 8.96% to 9.51% compared to the ZnO-only device. The best PCE was obtained with the device based on PF-NDIN-I-OH, up to 9.59% resulting from the Jsc enhancement. This outcome implies a correlation between the performance of the device and the synergistic effects observed in polyelectrolytes containing hydroxyl groups in the side chain, along with larger anions when employed in PSCs.

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Section: Photovoltaic Propertiesmentioning

confidence: 98%