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Article: Temperature-gated thermal rectifier for active heat flow control

TitleTemperature-gated thermal rectifier for active heat flow control
Authors
Keywordsvanadium dioxide
nanoscale heat transport
phonons
Thermal rectification
Issue Date2014
Citation
Nano Letters, 2014, v. 14, n. 8, p. 4867-4872 How to Cite?
AbstractActive heat flow control is essential for broad applications of heating, cooling, and energy conversion. Like electronic devices developed for the control of electric power, it is very desirable to develop advanced all-thermal solid-state devices that actively control heat flow without consuming other forms of energy. Here we demonstrate temperature-gated thermal rectification using vanadium dioxide beams in which the environmental temperature actively modulates asymmetric heat flow. In this three terminal device, there are two switchable states, which can be regulated by global heating. In the "Rectifier" state, we observe up to 28% thermal rectification. In the "Resistor" state, the thermal rectification is significantly suppressed (<1%). To the best of our knowledge, this is the first demonstration of solid-state active-thermal devices with a large rectification in the Rectifier state. This temperature-gated rectifier can have substantial implications ranging from autonomous thermal management of heating and cooling systems to efficient thermal energy conversion and storage. © 2014 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/256682
ISSN
2017 Impact Factor: 12.08
2015 SCImago Journal Rankings: 9.006
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhu, Jia-
dc.contributor.authorHippalgaonkar, Kedar-
dc.contributor.authorShen, Sheng-
dc.contributor.authorWang, Kevin-
dc.contributor.authorAbate, Yohannes-
dc.contributor.authorLee, Sangwook-
dc.contributor.authorWu, Junqiao-
dc.contributor.authorYin, Xiaobo-
dc.contributor.authorMajumdar, Arun-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:57:35Z-
dc.date.available2018-07-24T08:57:35Z-
dc.date.issued2014-
dc.identifier.citationNano Letters, 2014, v. 14, n. 8, p. 4867-4872-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10722/256682-
dc.description.abstractActive heat flow control is essential for broad applications of heating, cooling, and energy conversion. Like electronic devices developed for the control of electric power, it is very desirable to develop advanced all-thermal solid-state devices that actively control heat flow without consuming other forms of energy. Here we demonstrate temperature-gated thermal rectification using vanadium dioxide beams in which the environmental temperature actively modulates asymmetric heat flow. In this three terminal device, there are two switchable states, which can be regulated by global heating. In the "Rectifier" state, we observe up to 28% thermal rectification. In the "Resistor" state, the thermal rectification is significantly suppressed (<1%). To the best of our knowledge, this is the first demonstration of solid-state active-thermal devices with a large rectification in the Rectifier state. This temperature-gated rectifier can have substantial implications ranging from autonomous thermal management of heating and cooling systems to efficient thermal energy conversion and storage. © 2014 American Chemical Society.-
dc.languageeng-
dc.relation.ispartofNano Letters-
dc.subjectvanadium dioxide-
dc.subjectnanoscale heat transport-
dc.subjectphonons-
dc.subjectThermal rectification-
dc.titleTemperature-gated thermal rectifier for active heat flow control-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1021/nl502261m-
dc.identifier.scopuseid_2-s2.0-84906081644-
dc.identifier.volume14-
dc.identifier.issue8-
dc.identifier.spage4867-
dc.identifier.epage4872-
dc.identifier.eissn1530-6992-
dc.identifier.isiWOS:000340446200103-

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