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Designing stericall...
Designing sterically demanding thiolate coated AuNPs for electrical characterization of BPDT in a NP-molecule-nanoelectrode platform
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- Calard, Francois (author)
- Ecole Natl Super Chim Montpellier, Inst Charles Gerhardt , Architectures Mol & Mat Nanostruct, Montpellier, France.
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- Wani, Ishtiaq Hassan, 1985- (author)
- Uppsala universitet,Tillämpad materialvetenskap
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- Hayat, Aqib (author)
- Uppsala universitet,Tillämpad materialvetenskap
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- Jarrosson, Thibaut (author)
- Ecole Natl Super Chim Montpellier, Inst Charles Gerhardt Montpellier, Architectures Mol & Mat Nanostruct, Montpellier, France.
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- Lere-Porte, Jean-Pierre (author)
- Ecole Natl Super Chim Montpellier, Inst Charles Gerhardt Montpellier, Architectures Mol & Mat Nanostruct, Montpellier, France.
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- Jafri, S. Hassan M., 1979- (author)
- Uppsala universitet,Tillämpad materialvetenskap,Mirpur Univ Sci & Technol, Dept Elect Engn, Azad Kashmir, Pakistan.
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- Serein-Spirau, Francoise (author)
- Ecole Natl Super Chim Montpellier, Inst Charles Gerhardt Montpellier, Architectures Mol & Mat Nanostruct, UMR CNRS 5253, Montpellier, France.
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- Leifer, Klaus, 1965- (author)
- Uppsala universitet,Tillämpad materialvetenskap
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- Orthaber, Andreas, 1979- (author)
- Uppsala universitet,Molekylär biomimetik
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Ecole Natl Super Chim Montpellier, Inst Charles Gerhardt , Architectures Mol & Mat Nanostruct, Montpellier, France Tillämpad materialvetenskap (creator_code:org_t)
- 2017
- 2017
- English.
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In: Molecular Systems Design & Engineering. - : ROYAL SOC CHEMISTRY. - 2058-9689. ; 2:2, s. 133-139
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Molecular electronics with single or few molecules requires a stable metal-molecule nanojunction platform. Herein, we report the design and synthesis of gold nanoparticles coated with sterically demanding thiol ligands that are essential to fabricate a versatile and stable nanoelectrode-molecule-nanoparticle platform suitable for electrical characterization of small organic molecules. By combining.-tetraphenylmethane ether functionalized alkyl thioacetate and alkyl thiols, we prepared highly stable gold nanoparticles in a one-phase reaction providing simple and efficient purification. This robust preparation gives highly pure nanoparticles in very high yields (up to 90%) with long-time shelf stability. The synthesis in this work has superior reproducibility compared to previous synthesis processes that are currently being used for such molecular electronics platforms. Electron microscopy confirms the formation of uniform and small nanoparticles in the range of 5 to 7 nm. These nanoparticles with different ligand surface coverages were placed in a 20 nm nanoelectrode setup using dielectrophoretic forces. This setup was utilized to characterize the conductivity of the molecular wire 4,4'-biphenyldithiol introduced via ligand placeexchange under ambient conditions.
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- art (subject category)
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Calard, Francois
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Wani, Ishtiaq Ha ...
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Hayat, Aqib
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Jarrosson, Thiba ...
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Lere-Porte, Jean ...
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Jafri, S. Hassan ...
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Serein-Spirau, F ...
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Leifer, Klaus, 1 ...
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Orthaber, Andrea ...
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Molecular System ...
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Uppsala University