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Local Charge Trappi...
Local Charge Trapping in Conjugated Polymers Resolved by Scanning Kelvin Probe Microscopy
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- Hallam, Toby (författare)
- University of Cambridge, England
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- Lee, MiJung (författare)
- University of Cambridge, England
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- Zhao, Ni (författare)
- University of Cambridge, England
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- Nandhakumar, Iris (författare)
- University of Southampton, England
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- Kemerink, Martijn (författare)
- University of Cambridge, England; Eindhoven University of Technology, Netherlands
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- Heeney, Martin (författare)
- University of London Imperial Coll Science Technology and Med, England
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- McCulloch, Iain (författare)
- University of London Imperial Coll Science Technology and Med, England
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- Sirringhaus, Henning (författare)
- University of Cambridge, England
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(creator_code:org_t)
- American Physical Society, 2009
- 2009
- Engelska.
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Ingår i: Physical Review Letters. - : American Physical Society. - 0031-9007 .- 1079-7114. ; 103:25
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The microstructure of conjugated polymers is heterogeneous on the length scale of individual polymer chains, but little is known about how this affects their electronic properties. Here we use scanning Kelvin probe microscopy with resolution-enhancing carbon nanotube tips to study charge transport on a 100 nm scale in a chain-extended, semicrystalline conjugated polymer. We show that the disordered grain boundaries between crystalline domains constitute preferential charge trapping sites and lead to variations on a 100 nm scale of the carrier concentration under accumulation conditions.
Ämnesord
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
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