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Superlattice deform...
Superlattice deformation in quantum dot films on flexible substrates via uniaxial strain
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- Heger, Julian E. (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.
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- Chen, Wei (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.;Shenzhen Technol Univ SZTU, Coll Engn Phys, Lantian Rd 3002, Shenzhen 518118, Peoples R China.
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- Zhong, Huaying (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.
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- Xiao, Tianxiao (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.
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- Harder, Constantin (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.;Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.
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- Apfelbeck, Fabian A. C. (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.
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- Weinzierl, Alexander F. (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.
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- Boldt, Regine (author)
- Leibniz Inst Polymerforsch Dresden eV, Inst Polymerwerkstoffe, Hohe Str 6, D-01069 Dresden, Germany.
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- Schraa, Lucas (author)
- Leibniz Inst Polymerforsch Dresden eV, Inst Polymerwerkstoffe, Hohe Str 6, D-01069 Dresden, Germany.
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- Euchler, Eric (author)
- Leibniz Inst Polymerforsch Dresden eV, Inst Polymerwerkstoffe, Hohe Str 6, D-01069 Dresden, Germany.
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- Sambale, Anna K. (author)
- Leibniz Inst Polymerforsch Dresden eV, Inst Polymerwerkstoffe, Hohe Str 6, D-01069 Dresden, Germany.
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- Schneider, Konrad (author)
- Leibniz Inst Polymerforsch Dresden eV, Inst Polymerwerkstoffe, Hohe Str 6, D-01069 Dresden, Germany.
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- Schwartzkopf, Matthias (author)
- Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.
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- Roth, Stephan V. (author)
- KTH,Ytbehandlingsteknik,Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany.
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- Mueller-Buschbaum, P. (author)
- Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.;Tech Univ Munich, Heinz Maier Leibnitz Zent MLZ, Lichtenbergstr 1, D-85748 Garching, Germany.
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Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany Tech Univ Munich, Chair Funct Mat, TUM Sch Nat Sci, Dept Phys, James Franck Str 1, D-85748 Garching, Germany.;Shenzhen Technol Univ SZTU, Coll Engn Phys, Lantian Rd 3002, Shenzhen 518118, Peoples R China. (creator_code:org_t)
- 2023
- 2023
- English.
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In: Nanoscale Horizons. - : Royal Society of Chemistry (RSC). - 2055-6764 .- 2055-6756. ; 8:3, s. 383-395
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The superlattice in a quantum dot (QD) film on a flexible substrate deformed by uniaxial strain shows a phase transition in unit cell symmetry. With increasing uniaxial strain, the QD superlattice unit cell changes from tetragonal to cubic to tetragonal phase as measured with in situ grazing-incidence small-angle X-ray scattering (GISAXS). The respective changes in the optoelectronic coupling are probed with photoluminescence (PL) measurements. The PL emission intensity follows the phase transition due to the resulting changing inter-dot distances. The changes in PL intensity accompany a redshift in the emission spectrum, which agrees with the Forster resonance energy transfer (FRET) theory. The results are essential for a fundamental understanding of the impact of strain on the performance of flexible devices based on QD films, such as wearable electronics and next-generation solar cells on flexible substrates.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Heger, Julian E.
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Chen, Wei
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Zhong, Huaying
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Xiao, Tianxiao
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Harder, Constant ...
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Apfelbeck, Fabia ...
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Weinzierl, Alexa ...
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Boldt, Regine
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Schraa, Lucas
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Euchler, Eric
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Sambale, Anna K.
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Schneider, Konra ...
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Schwartzkopf, Ma ...
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Roth, Stephan V.
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Mueller-Buschbau ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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Nanoscale Horizo ...
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Royal Institute of Technology