Efficiently suppressed thermal conductivity in ZnO thin films via periodic introduction of organic layers

Tommi Tynell; Ashutosh Giri; John Gaskins; Patrick E. Hopkins; Paolo Mele; Koji Miyazaki; Maarit Karppinen

doi:10.1039/c4ta02381a

Efficiently suppressed thermal conductivity in ZnO thin films via periodic introduction of organic layers

Tommi Tynell, Ashutosh Giri, John Gaskins, Patrick E. Hopkins, Paolo Mele, Koji Miyazaki, Maarit Karppinen

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

A combination of atomic and molecular layer deposition techniques is used to fabricate thin films of hybrid inorganic-organic superlattice structures with periodically repeating single layers of hydroquinone within a ZnO or (Zn _0.98Al_0.02)O framework. A significant reduction of up to one magnitude in the thermal conductivity of the films as evaluated with the time-domain thermoreflectance technique is observed upon introduction of the organic layers, resulting in a greatly improved thermoelectric performance. This journal is

Original language	English
Pages (from-to)	12150-12152
Number of pages	3
Journal	Journal of Materials Chemistry A
Volume	2
Issue number	31
DOIs	https://doi.org/10.1039/c4ta02381a
Publication status	Published - 2014 Aug 21
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Renewable Energy, Sustainability and the Environment
Materials Science(all)

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10.1039/c4ta02381a

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AU - Giri, Ashutosh

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AU - Mele, Paolo

AU - Miyazaki, Koji

AU - Karppinen, Maarit

PY - 2014/8/21

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AB - A combination of atomic and molecular layer deposition techniques is used to fabricate thin films of hybrid inorganic-organic superlattice structures with periodically repeating single layers of hydroquinone within a ZnO or (Zn 0.98Al0.02)O framework. A significant reduction of up to one magnitude in the thermal conductivity of the films as evaluated with the time-domain thermoreflectance technique is observed upon introduction of the organic layers, resulting in a greatly improved thermoelectric performance. This journal is

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Efficiently suppressed thermal conductivity in ZnO thin films via periodic introduction of organic layers

Abstract

ASJC Scopus subject areas

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