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Stability optimisat...
Stability optimisation of molecular electronic devices based on nanoelectrode-nanoparticle bridge platform in air and different storage liquids
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- Jafri, Syed Hassan Mujtaba (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Blom, Tobias (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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- Wallner, Andreas (författare)
- Uppsala universitet,Fysikalisk-organisk kemi
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- Ottosson, Henrik (författare)
- Uppsala universitet,Fysikalisk-organisk kemi
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- Leifer, Klaus (författare)
- Uppsala universitet,Tillämpad materialvetenskap
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(creator_code:org_t)
- 2014-12-23
- 2014
- Engelska.
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Ingår i: Journal of nanoparticle research. - : Springer Science and Business Media LLC. - 1388-0764 .- 1572-896X. ; 16:12, s. 2811-
- 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
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- The long-term stability of metal nanoparticle-molecule junctions in molecular electronic devices based on nanoelectrodes (NEL) is a major challenge in the effort to bring related molecular electronic devices to application. To optimize the reproducibility of molecular electronic nanodevices, the time-dependent modification of such junctions as exposed to different media needs to be known. Here, we have studied (1) the stability of Au-NEL and (2) the electrical stability of molecule-Au nanoparticle (AuNP) junctions themselves with the molecule being 1,8-octanedithiol (ODT). Both the NELs only and the junctions were exposed to air and liquids such as deionized water, tetrahydrofuran, toluene and tetramethylethylenediamine (TMEDA) over a period of 1 month. The nanogaps remained stable in width when stored in either deionized water or toluene, whereas the current through 1,8-octanedithiol-NP junctions remained most stable when stored in TMEDA as compared to other solvents. Although it is difficult to follow the chemical processes in such devices in the 10-nm range with analytical methods, the behavior can be interpreted from known interactions of solvent molecules with electrodes and ODT.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Nyckelord
- Nanoelectronics
- Nanoelectrodes
- Molecular electronics
- Shelf-life
- Storage conditions
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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