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dc.contributor.authorChen, Jing-Zhien_US
dc.contributor.authorAhn, Hyeyoungen_US
dc.contributor.authorYen, Shin-Chunen_US
dc.contributor.authorTsai, Yao-Jiunen_US
dc.date.accessioned2015-07-21T08:28:16Z-
dc.date.available2015-07-21T08:28:16Z-
dc.date.issued2014-12-20en_US
dc.identifier.issn1944-8244en_US
dc.identifier.urihttp://dx.doi.org/10.1021/am5057618en_US
dc.identifier.urihttp://hdl.handle.net/11536/124066-
dc.description.abstractGreat demand toward flexible optoelectronic devices finds metal nanowires (NWs) the most promising flexible transparent conducting material with superior mechanical properties. However, ultrathin metal nanowires suffer from relatively poor thermal stability and sheet conductance, attributed to the poor adhesivity of the ohmic contact between nanowires. Thermal heating and annealing at 200 degrees C increase the conductivity of the metal network, but prolonged annealing accelerates the breakage of NWs near the NW junction and the formation of Ag droplets. In this study, the thermal stability of silver NW (AgNW) films is investigated through the in situ measurements of sheet resistance and terahertz (THz) conductivity. With the improved ohmic contact at the NW junctions by heating, a characteristic transition from the subpercolative to percolative network is observed by in situ THz spectroscopy. It is found that stamp-transferred graphene incorporated with a near-percolative AgNW network can dramatically enhance the thermal stability of the grapheneAgNW (GAgNW) hybrid film. In both in situ measurements, little variation of physical parameters in GAgNW film is observed for up to 3 h of annealing. The presented results offer the potential of graphene-incorporated metal nanowire film as a highly conductive electrode that also has high thermal stability and excellent transparency for next-generation electronics and optoelectronics on flexible substrates.en_US
dc.language.isoen_USen_US
dc.subjecttransparent electrodeen_US
dc.subjectsilver nanowiresen_US
dc.subjectgrapheneen_US
dc.subjectterahertz spectroscopyen_US
dc.subjectthermal stabilityen_US
dc.titleThermally Induced Percolational Transition and Thermal Stability of Silver Nanowire Networks Studied by THz Spectroscopyen_US
dc.typeArticleen_US
dc.identifier.doi10.1021/am5057618en_US
dc.identifier.journalACS APPLIED MATERIALS & INTERFACESen_US
dc.citation.issue23en_US
dc.citation.spage20994en_US
dc.citation.epage20999en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000346326600052en_US
dc.citation.woscount0en_US
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