A Versatile Low Bandgap Polymer for Air‐Stable, High‐Mobility Field‐Effect Transistors and Efficient Polymer Solar Cells

Ong, Kok-Haw; Lim, Siew-Lay; Tan, Huei-Shuan; Wong, Hoi-Ka; Li, Jun; Ma, Zhenyu; Moh, Lionel C. H.; Lim, Suo-Hon; Mello, John C. de; Chen, Zhi-Kuan

doi:10.1002/adma.201003903

Cited by 147 publications

(56 citation statements)

References 20 publications

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“…We found that BT-or BO-based conjugated polymers are ones of the most important polymer semiconductors due to their convenient preparation, excellent thermal stability, and electronic characteristic; and many efforts have been devoted to the design and synthesis of new BT/BO derivatives [22,23]. Up to now, hole mobilities of the PFETs based on BT-containing polymers have been up to 1 cm 2 V −1 s −1 after systematic optimization [24].…”

Section: Accepted Manuscriptmentioning

confidence: 98%

Synthesis, characterization, and field-effect properties of (E)-2-(2-(thiophen-2-yl)vinyl)thiophen-based donor–acceptor copolymers

Wang

Xie

Shi

et al. 2015

Polymer

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Synthesis, characterization, and field-effect properties of (E)-2-(2-(thiophen-2-yl)vinyl)thiophen-based donor −acceptor copolymers, Polymer (2015), ABSTRACTTwo donor−acceptor copolymers, PTVTBT and PTVTBO, using the highly π-extended (E)-2-(2-(thiophen-2-yl)vinyl)thiophen as an electron-rich unit and benzodiathiazole or benzoxadiazole as an electron-deficient one, were designed and synthesized via a Pd-catalyzed Stille-coupling method. The copolymers possess high thermal stability, broad absorption, low band gap, and good film-forming ability.Meanwhile the two polymers exhibit excellent hole transport properties when used as the active layer in polymer field-effect transistor devices. The highest hole mobility can reach to 0.25 and 0.50 cm 2 V −1 s −1 for the PTVTBT and PTVTBO thin films, respectively. This work demonstrates that PTVTBT and PTVTBO would be promising semiconductors for developing cost-effective and large-scale production of flexible organic electronics.

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Section: Accepted Manuscriptmentioning

confidence: 98%

Synthesis, characterization, and field-effect properties of (E)-2-(2-(thiophen-2-yl)vinyl)thiophen-based donor–acceptor copolymers

Wang

Xie

Shi

et al. 2015

Polymer

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“…The J sc s and FFs of P4-P7-based devices are lower than those of P3HT:PC 61 BM-based devices (J sc : 9.5 mA cm −2 ; FF: 68 %) [53], which resulted in the lower overall PCEs. Surpassing the PCE of P3HT-based PSCs was achieved by Chen and co-workers [54], who developed a Th 4 /BT-based alternating copolymer, P8. Long and branched 2-octyldodecyl groups were used as side chains to ensure good solubility and to reach high molecular weight.…”

Section: Polythiophene-based Polymers Containing 213-benzothiadiazomentioning

confidence: 99%

Recent Advances in P-Type Conjugated Polymers for High-Performance Solar Cells

Cheng

Wang

et al. 2015

Topics in Applied Physics

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Bulk-heterojunction (BHJ) polymer solar cells have achieved significant progress in the recent years, with the efficiency now over 10 %. The p-type polymer in the BHJ blend played a key role in the amazing technology advance. In this chapter, we will timely update over 80 conjugated polymers leading to highperformance solar cells. The principle of molecular design with structure-properties relationship with respect to device characteristics will also be discussed, as the materials and morphology are tightly interconnected.

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“…A new polymer P52 based quaterthiophen and benzothiadiazole units were developed by Ong et al The bandgap of P52 was about 1.59 eV, and HOMO energy level of −5.18 eV. When fabricated solar with PC 71 BM, the devices demonstrated high PCEs between 5.83% and 6.26% (Table 4) [109]. Indacenodithiophene (IDT) has been paid much attention in the design of new conjugated copolymers for the application in the solar cells [110].…”

Section: Polymers Containing 213-benzothiadiazolementioning

confidence: 99%

Recent Development on Narrow Bandgap Conjugated Polymers for Polymer Solar Cells

et al. 2017

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Abstract:There have been exciting developments in the field of polymer solar cells (PSCs) as the potential competitor to the traditional silicon-based solar cells in the past decades. The most successful PSCs are based on the bulk hetero-junction (BHJ) structure, which contains a bicontinuous nanoscale interpenetrating network of a conjugated polymer and a fullerene blend. The power conversion efficiencies (PCEs) of BHJ PSCs have now exceeded 11%. In this review, we present an overview of recent emerging developments of narrow bandgap conjugated polymers for PSCs. We focus on a few important acceptors used in the donor-acceptor type conjugated polymers for highly efficient PSCs. We also reviewed the emerged donor-π-acceptor (D-π-A) side chains polymers. The band-gaps and energy levels as well as the photovoltaic performances of conjugated polymers are discussed.

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A Versatile Low Bandgap Polymer for Air‐Stable, High‐Mobility Field‐Effect Transistors and Efficient Polymer Solar Cells

Cited by 147 publications

References 20 publications

Synthesis, characterization, and field-effect properties of (E)-2-(2-(thiophen-2-yl)vinyl)thiophen-based donor–acceptor copolymers

Synthesis, characterization, and field-effect properties of (E)-2-(2-(thiophen-2-yl)vinyl)thiophen-based donor–acceptor copolymers

Recent Advances in P-Type Conjugated Polymers for High-Performance Solar Cells

Recent Development on Narrow Bandgap Conjugated Polymers for Polymer Solar Cells

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