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Layer-by-Layer Assembly of High-Performance Electroactive Composites Using a Multiple Charged Small Molecule
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- Wang, Zhen (författare)
- KTH,Fiberteknologi,KTH Royal Inst Technol, Sweden
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- Ouyang, Liangqi (författare)
- KTH,Fiberteknologi,KTH Royal Inst Technol, Sweden
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- Tian, Weiqian (författare)
- KTH,Fiberteknologi,KTH Royal Inst Technol, Sweden
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- Erlandsson, Johan (författare)
- KTH,Fiberteknologi,KTH Royal Inst Technol, Sweden
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- Marais, Andrew (författare)
- KTH,Fiberteknologi,KTH Royal Inst Technol, Sweden
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- Tybrandt, Klas (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Wågberg, Lars, 1956- (författare)
- KTH,Fiberteknologi,Wallenberg Wood Science Center,KTH Royal Inst Technol, Sweden
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- Hamedi, Mahiar (författare)
- KTH,Fiberteknologi,Wallenberg Wood Science Center,KTH Royal Inst Technol, Sweden
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(creator_code:org_t)
- 2019-07-19
- Engelska.
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Ingår i: Langmuir. - : American Chemical Society (ACS). - 0743-7463 .- 1520-5827. ; 35:32, s. 10367-10373
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Layer-by-layer (LbL) assembly is a versatile tool for fabricating multilayers with tailorable nanostructures. LbL, however, generally relies on polyelectrolytes, which are mostly insulating and induce large interlayer distances. We demonstrate a method in which we replace polyelectrolytes with the smallest unit capable of LbL self-assembly: a molecule with multiple positive charges, tris(3-aminopropyl)amine (TAPA), to fabricate LbL films with negatively charged single-walled carbon nanotubes (CNTs). TAPA introduces less defects during the LbL build-up and results in more efficient assembly of films with denser micromorphology. Twenty bilayers of TAPA/CNT showed a low sheet resistance of 11 k Omega, a high transparency of 91% at 500 nm, and a high electronic conductivity of 1100 S/m on planar substrates. We also fabricated LbL films on porous foams with a conductivity of 69 mS/m and used them as electrodes for supercapacitors with a high specific capacitance of 43 F/g at a discharging current density of 1 A/g.
Ämnesord
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)