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Multifunctional mat...
Multifunctional materials for OFETs, LEFETs and NIR PLEDs
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- Steckler, Timothy, 1979 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lee, M. J. (författare)
- Kookmin University,University Of Cambridge
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- Chen, Z. (författare)
- University Of Cambridge
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- Fenwick, O. (författare)
- Université de Strasbourg,University of Strasbourg,University College London (UCL)
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- Andersson, Mats, 1966 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Cacialli, F. (författare)
- University College London (UCL)
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- Sirringhaus, H. (författare)
- University Of Cambridge
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(creator_code:org_t)
- 2014
- 2014
- Engelska.
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Ingår i: Journal of Materials Chemistry C. - : Royal Society of Chemistry (RSC). - 2050-7534 .- 2050-7526. ; 2:26, s. 5133-5141
- Relaterad länk:
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http://dx.doi.org/10...
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https://qmro.qmul.ac...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A family of phthalimide-thiophene copolymers with linear and branched alkyl chains attached to the imide nitrogen have been synthesized. Their optical and electronic properties were investigated along with their applications in OFETs and LEFETs. The phthalimide-thiophene copolymer having a C16 straight alkyl chain on the phthalimide yielded the highest mobilities and PLQE with mobilities of 1 x 10(-3) cm(2) V-1 s(-1) for holes and 1 x 10(-2) cm(2) V-1 s(-1) for electrons with a PLQE of similar to 28% in the solid state. Since these polymers are ambipolar and emissive, they have proven to be useful for applications as a host material for NIR PLEDs. In this study a 1% loading of NIR emitting DAD segments based on bisthienyl(thiadiazoloquinoxaline) or bisthienyl(benzotriazolothiadiazole) were incorporated into the phthalimide-thiophene polymerization. Using the branched CH(C8H17)(2) alkyl chain on the host phthalimide-thiophene copolymer combined with the bisthienyl(benzotriazolothiadiazole) emitter resulted in the most efficient (emission maximum >= 850 nm) single layer NIR-emitting PLED to date with an EQE of 0.27% emitting at 885 nm.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Textil-, gummi- och polymermaterial (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Textile, Rubber and Polymeric Materials (hsv//eng)
Nyckelord
- POLYMER
- RECOMBINATION ZONE
- GAP
- HOLE-MOBILITY
- THIN-FILM TRANSISTORS
- FIELD-EFFECT TRANSISTORS
- CONJUGATED POLYMER
- LIGHT-EMITTING-DIODES
- COPOLYMERS
- AMBIPOLAR
- SOLAR-CELLS
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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