scholarly journals Unprecedented quinoid-donor-acceptor strategy to boost carrier mobilities of semiconducting polymers for organic field-effect transistors

2021 ◽  
Author(s):  
Cheng Liu ◽  
Xuncheng Liu ◽  
Guohui Zheng ◽  
Xiu Gong ◽  
Chen Yang ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Field Effect ◽  
Field Effect Transistors ◽  
High Mobility ◽  
Semiconducting Polymers ◽  
Organic Field Effect Transistors ◽  
Donor Acceptor ◽  
Application Potential

Quinoidal-aromatic conjugated polymers hold great application potential in organic field-effect transistors (OFETs). However, the development of high mobility quinoidal-aromatic conjugated polymers still lags behind the more popular donor-acceptor (D-A) conjugated...

Structure–property relationship of D–A type copolymers based on phenanthrene and naphthalene units for organic electronics

2017 ◽  
Vol 5 (39) ◽  
pp. 10332-10342 ◽  
Author(s):  
Yeong-A Kim ◽  
Minji Kang ◽  
Ye-Jin Jeon ◽  
Kyeongil Hwang ◽  
Yeon-Ju Kim ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Organic Electronics ◽  
Organic Photovoltaics ◽  
Field Effect ◽  
Field Effect Transistors ◽  
Organic Field Effect Transistors ◽  
Structure Property ◽  
Structure Property Relationship ◽  
Donor Acceptor ◽  
Relationship Of

Four donor–acceptor (D–A) type conjugated polymers were synthesized for organic photovoltaics and organic field effect transistors.

Regioregular, Yet Ductile and Amorphous Indacenodithiophene-based Polymers with High-Mobility for Stretchable Plastic Transistors

2021 ◽  
Author(s):  
Yongjoon Cho ◽  
Sohee Park ◽  
Seonghun Jeong ◽  
Heesoo Yang ◽  
Byongkyu Lee ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Field Effect ◽  
Field Effect Transistors ◽  
High Mobility ◽  
Organic Field Effect Transistors ◽  
High Performing ◽  
The Past

In the past decade, various high-performing π-conjugated polymers based on axisymmetric cyclopentadithiophene (CDT) and centrosymmetric indacenodithiophene (IDT) units have been thoroughly studied for use in organic field-effect transistors. However, no...

Thiophene-fused isoindigo based conjugated polymers for ambipolar organic field-effect transistors

2016 ◽  
Vol 7 (1) ◽  
pp. 235-243 ◽  
Author(s):  
Na Zhao ◽  
Na Ai ◽  
Mian Cai ◽  
Xiao Wang ◽  
Jian Pei ◽  
...  
Keyword(s):  
Conjugated Polymers ◽  
Field Effect ◽  
Field Effect Transistors ◽  
Organic Field Effect Transistors ◽  
Donor Acceptor

A series of donor–acceptor type of polymers based on thiophene-fused isoindigo were synthesized, among which the fully conjugated PTII-T showed well balanced ambipolar OFET performance.

Modulating charge transport characteristics of bis-azaisoindigo-based D–A conjugated polymers through energy level regulation and side chain optimization

2019 ◽  
Vol 7 (25) ◽  
pp. 7618-7626 ◽  
Author(s):  
Kaiqiang Huang ◽  
Xue Zhao ◽  
Yuchang Du ◽  
Sanghyo Kim ◽  
Xiaohong Wang ◽  
...  
Keyword(s):  
Energy Level ◽  
Conjugated Polymers ◽  
Charge Transport ◽  
Field Effect ◽  
Field Effect Transistors ◽  
Electron Acceptors ◽  
Side Chain ◽  
The Novel ◽  
Organic Field Effect Transistors ◽  
Donor Acceptor

Six donor–acceptor (D–A) conjugated polymers, P1–P6, based on the novel electron acceptors bis-isoindigo (BIID) and bis-azaisoindigo (BAID), were designed and synthesized for solution-processed organic field-effect transistors.

scholarly journals Incorporating Cyano Groups to a Conjugated Polymer Based on Double B←N Bridged Bipyridine Unit for Unipolar n-Type Organic Field-Effect Transistors

2021 ◽  
Author(s):  
Jun Liu ◽  
Xu Cao ◽  
Yang Min ◽  
Hongkun Tian
Keyword(s):  
Conjugated Polymers ◽  
Conjugated Polymer ◽  
Field Effect ◽  
Field Effect Transistors ◽  
Energy Levels ◽  
Semiconducting Polymers ◽  
Organic Field Effect Transistors ◽  
Strong Electron ◽  
Cyano Groups ◽  
P Type

The development of n-type semiconductors lags far behind that of their p-type counterparts, demonstrating the exploration of exclusive n-type π-conjugated polymers is significant. The double B←N bridged bipyridine (BNBP)-based polymers P-BNBP-TVT containing (E)-1,2-di(thiophen-2-yl)ethene (TVT) previously reported exhibits ambipolar character because of the electron-rich nature. Herein, we incorporated strong electron-withdrawing cyano groups into the 3,3’-positions of TVT moiety to a copolymer P-BNBP-2CNTVT to develop n-type π-conjugated polymers. The LUMO/HOMO energy levels of P-BNBP-2CNTVT are –3.80/–5.95 eV, respectively, which are ~0.4 eV lower than that of P-BNBP-TVT without cynao groups. Unsurprisingly, compared with ambipolar P-BNBP-TVT, the organic field‐effect transistors (OFETs) based on P-BNBP-2CNTVT showed unipolar n-type characteristics with an electron mobility of 0.026 cm2 V–1 s–1 and lower threshold voltage of ~25 V as well as high Ion/Ioff of ~105. This study demonstrates organoboron π-conjugated polymers could be regarded as a tool for constructing exclusive n-type semiconducting polymers used in OFETs.

scholarly journals Oligofuran–Benzothiadiazole Co-oligomers: Synthesis, Optoelectronic Properties and Reactivity

2021 ◽  
Vol 03 (02) ◽  
pp. 303-308
Author(s):  
Dror Ben Abba Amiel ◽  
Choongik Kim ◽  
Ori Gidron
Keyword(s):  
Organic Solar Cells ◽  
Field Effect ◽  
Field Effect Transistors ◽  
Organic Light Emitting Diodes ◽  
Organic Field Effect Transistors ◽  
Active Materials ◽  
Light Emitting ◽  
Organic Light ◽  
Donor Acceptor ◽  
Optical Bandgaps

Donor–acceptor–donor (DAD) triad systems are commonly applied as active materials in ambipolar organic field-effect transistors, organic solar cells, and NIR-emitting organic light-emitting diodes. Often, these triads utilize oligothiophenes as donors, whereas their oxygen-containing analogs, oligofurans, are far less studied in this setup. Here we introduce a family of DAD triads in which the donors are oligofurans and the acceptor is benzothiadiazole. In a combined computational and experimental study, we show that these triads display optical bandgaps similar to those of their thiophene analogs, and that a bifuran donor is sufficient to produce emission in the NIR spectral region. The presence of a central acceptor unit increases the photostability of oligofuran-based DAD systems compared with parent oligofurans of the similar length.

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