Nonfullerene Polymer Solar Cells Reaching a 9.29% Efficiency Using a BODIPY-Thiophene Backboned Donor Material

Bucher, Léo; Desbois, Nicolas; Harvey, Pierre D.; Gros, Claude P.; Misra, Rajneesh; Sharma, Ganesh D.

doi:10.1021/acsaem.8b00535

Cited by 28 publications

(22 citation statements)

References 75 publications

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“…There are also many organic solar cells consisting of BODIPY-based conjugated polymers as donors and non-fullerenes as receptors. Sharma and coworkers [ 76 ] developed 41 ( Figure 14 ), which is an analogous BODIPY-based conjugated polymer of 39 , with monosubstituted thiophene units via Sonogashira cross-coupling reaction. The photovoltaic properties of BHJ solar cell based on 41 as the donor and non-fullerene small molecule (NFSMA) as the acceptor were compared with that of the BHJ solar cell with PC 71 BM as the acceptor.…”

Section: Functional Applications Of Bodipy-based Conjugated Polymementioning

confidence: 99%

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Architectures and Applications of BODIPY-Based Conjugated Polymers

et al. 2020

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Conjugated polymers generally contain conjugated backbone structures with benzene, heterocycle, double bond, or triple bond, so that they have properties similar to semiconductors and even conductors. Their energy band gap is very small and can be adjusted via chemical doping, allowing for excellent photoelectric properties. To obtain prominent conjugated materials, numerous well-designed polymer backbones have been reported, such as polyphenylenevinylene, polyphenylene acetylene, polycarbazole, and polyfluorene. 4,4′-Difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY)-based conjugated polymers have also been prepared owing to its conjugated structure and intriguing optical properties, including high absorption coefficients, excellent thermal/photochemical stability, and high quantum yield. Most importantly, the properties of BODIPYs can be easily tuned by chemical modification on the dipyrromethene core, which endows the conjugated polymers with multiple functionalities. In this paper, BODIPY-based conjugated polymers are reviewed, focusing on their structures and applications. The forms of BODIPY-based conjugated polymers include linear, coiled, and porous structures, and their structure–property relationship is explored. Also, typical applications in optoelectronic materials, sensors, gas/energy storage, biotherapy, and bioimaging are presented and discussed in detail. Finally, the review provides an insight into the challenges in the development of BODIPY-based conjugated polymers.

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Section: Functional Applications Of Bodipy-based Conjugated Polymementioning

confidence: 99%

“… Chemical structures of polymers 41 – 43 and non-fullerenes N2200, ITIC-2Cl, and BTP-2Cl (Reproduced with permission from Reference [ 76 ]. Copyright @ 2018, American Chemical Society.…”

Section: Figurementioning

confidence: 99%

Architectures and Applications of BODIPY-Based Conjugated Polymers

et al. 2020

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“…In a very recent study by Sharma et al., a new copolymer P6 (Figure ) bearing electron‐deficient BODIPY and electron‐rich thiophene units linked by ethynyl bridge was synthesized, and its photophysical/electrochemical properties were investigated . Ethynyl bridges were used in the polymeric π‐backbone due to its electron‐withdrawing nature and the cylindrical‐like π‐electron density, which leads stabilized HOMO energy level (−5.45 eV).…”

Section: Introductionmentioning

confidence: 99%

BODIPY‐Based Semiconducting Materials for Organic Bulk Heterojunction Photovoltaics and Thin‐Film Transistors

et al. 2018

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The rapid emergence of organic (opto)electronics as a promising alternative to conventional (opto)electronics has been achieved through the design and development of novel π‐conjugated systems. Among various semiconducting structural platforms, 4,4‐difluoro‐4‐bora‐3a,4a‐diaza‐s‐indacene (BODIPY) π‐systems have recently attracted attention for use in organic thin‐films transistors (OTFTs) and organic photovoltaics (OPVs). This Review article provides an overview of the developments in the past 10 years on the structural design and synthesis of BODIPY‐based organic semiconductors and their application in OTFT/OPV devices. The findings summarized and discussed here include the most recent breakthroughs in BODIPYs with record‐high charge carrier mobilities and power conversion efficiencies (PCEs). The most up‐to‐date design rationales and discussions providing a strong understanding of structure‐property‐function relationships in BODIPY‐based semiconductors are presented. Thus, this review is expected to inspire new research for future materials developments/applications in this family of molecules.

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“…Later, they reduced the side chains of thiophene units in 115a leading to 115c. [ 174 ] Using a DPP derivative, namely, SMDPP as the acceptor (Figure S1, Supporting Information), 115c‐based nonfullerene polymer solar cells (PSCs) gave an amazing high efficiency of 9.29%. Based on 115c, better performance of SMDPP than PC71BM was interpreted by the stronger light absorption at NIR region and higher LUMO of SMDPP, leading to reduced energy loss and synergistically improved J SC and V OC .…”

Section: B←n‐embedded Opv Materialsmentioning

confidence: 99%

B←N Coordination: From Chemistry to Organic Photovoltaic Materials

Huang

Wang

Xiang

et al. 2021

Adv Energy and Sustain Res

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Coordination between boron Lewis acid and nitrogen Lewis base (B←N) is a classically chemical issue that has been known for several decades. Recently, this B←N chemistry developed into a new stage toward electronic materials, e.g., adjusting optoelectronic properties of N‐based conjugated molecules via adding B Lewis acids, synthesizing B←N‐bridged conjugated units, and further constructing B←N‐embedded organic photovoltaic (OPV) materials. Herein, these progresses are systematically summarized starting from certain chemical issues concerning B←N coordination, e.g., Lewis acidity of typical B Lewis acids and their interactions with N‐contained conjugated molecules. Then, some fused and ladder‐type B←N‐bridged units are reviewed in terms of the relationship between molecular structures and optoelectronic properties. Finally, the recently flourished B←N‐embedded OPV materials are summarized. The prospect of OPV materials concerning B←N coordination is also proposed, hoping to attract more attention to this filed and motivate its rolling rapidly.

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Nonfullerene Polymer Solar Cells Reaching a 9.29% Efficiency Using a BODIPY-Thiophene Backboned Donor Material

Cited by 28 publications

References 75 publications

Architectures and Applications of BODIPY-Based Conjugated Polymers

Architectures and Applications of BODIPY-Based Conjugated Polymers

BODIPY‐Based Semiconducting Materials for Organic Bulk Heterojunction Photovoltaics and Thin‐Film Transistors

B←N Coordination: From Chemistry to Organic Photovoltaic Materials

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