Articles with "ptb7" as a keyword



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Comparative study of PTB7:PC71BM based polymer solar cells fabricated under different working environments

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Published in 2019 at "Microsystem Technologies"

DOI: 10.1007/s00542-019-04687-7

Abstract: In this article, we have evaluated the performance of inverted organic solar cells (OSCs) fabricated under ambient air and inert environment. Here, poly([4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl]{3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl}) (PTB7) donor with [6,6]-phenyl C70-butyric acid methyl ester (PC71BM) acceptor were employed… read more here.

Keywords: inert environment; ptb7; spectroscopy; pc71bm ... See more keywords

Highly efficient polymer solar cells with PTB7-based narrow band-gap conjugated polyelectrolytes as cathode interlayers: Device performance dependence on the ionic pendants

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Published in 2017 at "Organic Electronics"

DOI: 10.1016/j.orgel.2017.04.026

Abstract: Abstract Narrow band-gap conjugated polyelectrolytes (NBGCPs) combine the advantages of narrow band-gap conjugated polymers and polyelectrolytes. However, they are limited reported and seldom used in polymer solar cells (PSCs). Herein, we design and synthesized two… read more here.

Keywords: band gap; ptb7 nbr; ptb7 nso; narrow band ... See more keywords
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Role of DIO vis-à-vis microstructural kinetics during thermal annealing on the performance of PTB7:PC71BM organic solar cells

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Published in 2021 at "Solar Energy"

DOI: 10.1016/j.solener.2020.11.019

Abstract: Abstract Thermal annealing is an important process to improve the power conversion efficiency (PCE) of bulk-hetero junction organic solar cells (BHJ OSCs) by inducing micro-structural changes within the active layer blend’s constituents leading to amelioration… read more here.

Keywords: organic solar; ptb7; thermal annealing; performance ... See more keywords
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High Responsive Al/PTB7/Si/Al Vertical Structure Based White Light Photodetector using FTM Method

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Published in 2023 at "IEEE Photonics Technology Letters"

DOI: 10.1109/lpt.2023.3277030

Abstract: This letter reports a p-type Poly [[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b’]dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl) carbonyl] thieno [3,4-b] thiophenediyl]] (PTB7) thin film based Al/PTB7/Si/Al vertical structure for white light detection application. The thin film of PTB7 polymer was deposited via a low-cost and… read more here.

Keywords: ptb7 vertical; vertical structure; ptb7; film ... See more keywords
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Enhanced Efficiency of PTB7 : PC61BM Organic Solar Cells by Adding a Low Efficient Polymer Donor

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Published in 2017 at "International Journal of Photoenergy"

DOI: 10.1155/2017/4501758

Abstract: Ternary blend polymer solar cells combining two electron-donor polymers, poly[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl] (PTB7) and poly[2,5-bis(3-dodecylthiophen-2-yl)thieno[3,2-b]thiophene] (pBTTT) and [6,6]-phenyl-C61-butyric acid methyl ester (PC61BM), as electron-acceptor, were fabricated. The power conversion efficiency of the ternary cells was enhanced by… read more here.

Keywords: polymer; donor; pc61bm; efficiency ... See more keywords
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S⋯N Conformational Lock Acceptor Based on Indacenodithiophene (IDT) Structure and High Electronegative Terminal End Group

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Published in 2022 at "Materials"

DOI: 10.3390/ma15124238

Abstract: High-performance organic semiconductors should have good spectral absorption, a narrow energy gap, excellent thermal stability and good blend film morphology to obtain high-performance organic photovoltaics (OPVs). Therefore, we synthesized two IDTz-based electron acceptors in this… read more here.

Keywords: circuit; ptb7; group; end ... See more keywords