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Self-assembled PCBM...
Self-assembled PCBM nanosheets : a facile route to electronic layer-on-Layer heterostructures
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- Barzegar, Hamid Reza (författare)
- Umeå universitet,Institutionen för fysik,Department of Physics, University of California, Berkeley, California 94720, United States ‡ Department of Physics, Umeå University, SE-901 87 Umeå, Sweden § Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States ∥ Kavli Energy NanoSciences Institute at the University of California, Berkeley and the Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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- Larsen, Christian (författare)
- Umeå universitet,Institutionen för fysik
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- Boulanger, Nicolas (författare)
- Umeå universitet,Institutionen för fysik
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- Zettl, Alex (författare)
- Department of Physics, University of California, Berkeley, California 94720, United States
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- Edman, Ludvig, 1967- (författare)
- Umeå universitet,Institutionen för fysik
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- Wågberg, Thomas, 1971- (författare)
- Umeå universitet,Institutionen för fysik
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(creator_code:org_t)
- 2018-01-30
- 2018
- Engelska.
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Ingår i: Nano letters (Print). - : American Chemical Society (ACS). - 1530-6984 .- 1530-6992. ; 18:2, s. 1442-1447
- Relaterad länk:
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https://pubs.acs.org...
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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
- We report on the self-assembly of semicrystalline [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) nanosheets at the interface between a hydrophobic solvent and water, and utilize this opportunity for the realization of electronically active organic/organic molecular heterostructures. The self-assembled PCBM nanosheets can feature a lateral size of >1 cm2 and be transferred from the water surface to both hydrophobic and hydrophilic surfaces using facile transfer techniques. We employ a transferred single PCBM nanosheet as the active material in a field-effect transistor (FET) and verify semiconductor function by a measured electron mobility of 1.2 × 10–2 cm2 V–1 s–1 and an on–off ratio of ∼1 × 104. We further fabricate a planar organic/organic heterostructure with the p-type organic semiconductor poly(3-hexylthiophene-2,5-diyl) as the bottom layer and the n-type PCBM nanosheet as the top layer and demonstrate ambipolar FET operation with an electron mobility of 8.7 × 10–4 cm2 V–1 s–1 and a hole mobility of 3.1 × 10–4 cm2V–1 s–1.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Organic electronic; organic heterostructures; PCBM nanosheets; self-assembly
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