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Correlating Nanostr...
Correlating Nanostructure, Optical and Electronic Properties of Nanogranular Silver Layers during Polymer-Template-Assisted Sputter Deposition
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- Gensch, Marc (author)
- Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.;Tech Univ Munich, Phys Dept, Lehrstuhl Funkt Mat, James Franck Str 1, D-85748 Garching, Germany.
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- Schwartzkopf, Matthias (author)
- Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.
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- Ohm, Wiebke (author)
- Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.
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- Brett, Calvin (author)
- KTH,Strömningsfysik,Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.
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- Pandit, Pallavi (author)
- Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.
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- Varalil, Sarathlal Koyiloth (author)
- Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India.
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- Biessmann, Lorenz (author)
- Tech Univ Munich, Phys Dept, Lehrstuhl Funkt Mat, James Franck Str 1, D-85748 Garching, Germany.
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- Kreuzer, Lucas P. (author)
- Tech Univ Munich, Phys Dept, Lehrstuhl Funkt Mat, James Franck Str 1, D-85748 Garching, Germany.
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- Drewes, Jonas (author)
- Christian Albrechts Univ Kiel, Inst Mat Wissensch, Lehrstuhl Mat Verbunde, Kaiserstr 2, D-24143 Kiel, Germany.
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- Polonskyi, Oleksandr (author)
- Christian Albrechts Univ Kiel, Inst Mat Wissensch, Lehrstuhl Mat Verbunde, Kaiserstr 2, D-24143 Kiel, Germany.
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- Strunskus, Thomas (author)
- Christian Albrechts Univ Kiel, Inst Mat Wissensch, Lehrstuhl Mat Verbunde, Kaiserstr 2, D-24143 Kiel, Germany.
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- Faupel, Franz (author)
- Christian Albrechts Univ Kiel, Inst Mat Wissensch, Lehrstuhl Mat Verbunde, Kaiserstr 2, D-24143 Kiel, Germany.
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- Stierle, Andreas (author)
- Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.;Univ Hamburg, Phys Dept, Luruper Chaussee 149, D-22761 Hamburg, Germany.
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- Mueller-Buschbaum, Peter (author)
- Tech Univ Munich, Phys Dept, Lehrstuhl Funkt Mat, James Franck Str 1, D-85748 Garching, Germany.;Tech Univ Munich, Heinz Maier Leibniz Zentrum MLZ, Lichtenbergstr 1, D-85748 Garching, Germany.
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- Roth, Stephan V. (author)
- KTH,Fiber- och polymerteknologi,Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany
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Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany;Tech Univ Munich, Phys Dept, Lehrstuhl Funkt Mat, James Franck Str 1, D-85748 Garching, Germany. Deutsch Elekt Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany. (creator_code:org_t)
- 2019-07-17
- 2019
- English.
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In: ACS Applied Materials and Interfaces. - : AMER CHEMICAL SOC. - 1944-8244 .- 1944-8252. ; 11:32, s. 29416-29426
- Related links:
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http://eprints.iisc....
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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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- Tailoring the optical and electronic properties of nanostructured polymer-metal composites demonstrates great potential for efficient fabrication of modern organic optical and electronic devices such as flexible sensors, transistors, diodes, or photovoltaics. Self-assembled polymer metal nanocomposites offer an excellent perspective for creating hierarchical nanostructures on macroscopic scales by simple bottom-up processes. We investigate the growth processes of nanogranular silver (Ag) layers on diblock copolymer thin film templates during sputter deposition. The Ag growth is strongly driven by self-assembly and selective wetting on the lamella structure of polystyrene-block-poly (methyl methacrylate). We correlate the emerging nanoscale morphologies with collective optical and electronic properties and quantify the difference in Ag growth on the corresponding homopolymer thin films. Thus, we are able to determine the influence of the respective polymer template and observe substrate effects on the Ag cluster percolation threshold, which affects the insulator-to-metal transition (IMT). Optical spectroscopy in the UV-vis regime reveals localized surface plasmon resonance for the metal polymer composite. Their maximum absorption is observed around the IMT due to the subsequent long-range electron conduction in percolated nanogranular Ag layers. Using X-ray photoelectron spectroscopy and Fourier-transform infrared spectroscopy, we identify the oxidation of Ag at the acrylate side chains as an essential influencing factor driving the selective wetting behavior in the early growth stages. The results of polymer-templated cluster growth are corroborated by atomic force microscopy and field emission scanning electron microscopy.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Keyword
- polymer-metal interface
- metal cluster percolation
- growth kinetics
- GISAXS
- block copolymer
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Gensch, Marc
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Schwartzkopf, Ma ...
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Ohm, Wiebke
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Brett, Calvin
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Pandit, Pallavi
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Varalil, Sarathl ...
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Biessmann, Loren ...
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Kreuzer, Lucas P ...
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Drewes, Jonas
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Polonskyi, Oleks ...
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Strunskus, Thoma ...
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Faupel, Franz
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Stierle, Andreas
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Mueller-Buschbau ...
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Roth, Stephan V.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
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ACS Applied Mate ...
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Royal Institute of Technology