Name: scalable solution-processed fabrication strategy for high-performance, flexible, transparent electrodes with embedded metal mesh
Uploaded: 2017-06-23T15:00:00
Description: Watch this Scientific Journal Video about Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh at JoVE.com

Dit werk werd gedeeltelijk ondersteund door het General Research Fund van de Research Grants Council of the Special Administrative Region Hong Kong (Award No. 17246116), het Young Scholar Program van de National Natural Science Foundation of China (61306123), het Basic Research Program- Algemeen Programma van de Wetenschap en Technologie Innovatie Commissie van Shenzhen Gemeente (JCYJ20140903112959959), en het Key Research and Development Programma van de provinciale afdeling van Science and Technology van Zhejiang (2017C01058). De auteurs willen Y.-T graag bedanken. Huang en SP Feng voor hun hulp bij de optische metingen.

VOORZICHTIG: Let op de elektronenbalkveiligheid. Draag de juiste beschermende bril en kleding. Hanteer ook alle brandbare oplosmiddelen en oplossingen zorgvuldig. 1. Photolithography-based Fabrication of the EMTE <ol><li> Fotolithografie voor het fabriceren van het gaaspatroon. <ol><li> Reinig de FTO-glazen substraten (3 cm x 3 cm) met vloeibaar wasmiddel met behulp van katoenen pootstok. Spoel ze grondig met gedeïoniseerd (DI) water met een schone katoenen pootje. Verder...

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Onze fabricagemethode kan verder worden aangepast om schaalbaarheid van de eigenschappen en gebieden van het monster en voor het gebruik van verschillende materialen mogelijk te maken. De succesvolle fabricage van sub-micrometer-linewidth ( Figuur 3a-3c ) koper EMTE&#39;s met behulp van EBL bewijst dat de EMTE-structuur en de belangrijkste stappen in LEIT fabricage, met inbegrip van elektroplating en afdrukoverdracht, betrouwbaar kunnen worden verlaagd naar een sub-micrometer bereik. Op...

Wereldwijd worden studies uitgevoerd om te kijken naar vervangingen voor stijve transparante geleidende oxides (TCO&#39;s), zoals indiumtinoxide en fluor-gedoteerde tinoxide (FTO) fi lms, om flexibele / rekbare TE&#39;s te maken die in toekomstige flexibele / Rekbare opto-elektronische apparaten 1 . Dit vereist nieuwe materialen met nieuwe fabricagemethoden. Nanomaterialen, zoals grafeen 2 , geleidende polymeren 3 , 4 , carbon nanobuizen 5 en willekeurige metalen nanowire netwerken 6 , 7 , 8 , 9 , 10 , 11 , zijn onderzocht en hebben hun capaciteiten aangetoond in flexibele TE&#39;s, die de tekortkomingen van Bestaande TCO-gebaseerde TE&#39;s, Inclusief fi lm fragility 12 , low infrared transmittance 13 en low abundance 14 . Zelfs met dit potentieel is het nog steeds uitdagend om een ​​hoge elektrische en optische geleidbaarheid te bereiken zonder te verslechteren bij continu buigen. In dit kader worden regelmatige metalen mazen 15 , 16 , 17 , 18 , 19 , 20 ontwikkeld als een veelbelovende kandidaat en hebben opmerkelijk hoge optische transparantie en lage lakweerstand bereikt, die op aanvraag kan worden afgestemd. Het uitgebreide gebruik van metalen mesh-gebaseerde TE&#39;s is echter belemmerd vanwege vele uitdagingen. Ten eerste houdt fabricage vaak de dure, vacuümgebaseerde afzetting van metalen 16 , 17 , </sup&gt; 18 , 21 . Ten tweede kan de dikte gemakkelijk elektrische kortsluiting 22 , 23 , 24 , 25 veroorzaken in dunne film organische opto-elektronische apparaten. Ten derde leidt de zwakke hechting met het substraatoppervlak tot slechte flexibiliteit 26 , 27 . De bovengenoemde beperkingen hebben de vraag gesteld naar nieuwe metalen gaas-gebaseerde TE-structuren en schaalbare benaderingen voor hun fabricage. In deze studie rapporteren we een nieuwe structuur van flexibele TE&#39;s die een metalen gaas bevatten die volledig in een polymeer film is ingebed. We beschrijven ook een innovatieve, op oplossings gebaseerde en goedkope fabricage-aanpak die lithografie, elektrodepositie en afdrukoverdracht combineert. FoM waarden zo hoog als 15k zijn behaald op monsters EMTEs. Vanwege de embedded aard vanEMTE&#39;s, opmerkelijke chemische, mechanische en milieubestabiliteit werden waargenomen. Bovendien kan de in dit werk opgestelde oplossing verwerkt fabricage techniek mogelijk worden gebruikt voor de lage en hoge productie van de voorgestelde EMTE&#39;s. Deze fabricage techniek is schaalbaar naar fijnere metalen maaslijnbreedtes, grotere gebieden en een reeks metalen.

<table border="0" cellpadding="0" cellspacing="0" width="1139">
	<tbody>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Acetone</td>
			<td style="width:251px;">Sigma-Aldrich</td>
			<td style="width:119px;">W332615</td>
			<td style="width:528px;">Highly flammable</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Isopropanol</td>
			<td style="width:251px;">Sigma-Aldrich</td>
			<td style="width:119px;">190764</td>
			<td>Highly flammable</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">FTO Glass Substrates</td>
			<td style="width:251px;">South China Xiang S&#38;T, China</td>
			<td style="width:119px;"></td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Photoresist&#160;</td>
			<td style="width:251px;">Clariant, Switzerland</td>
			<td style="width:119px;">54611L11</td>
			<td>AZ 1500 Positive tone resist (20cP)</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">UV Mask Aligner&#160;</td>
			<td style="width:251px;">Chinese Academy of Sciences, China</td>
			<td>URE-2000/35</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Photoresist Developer&#160;</td>
			<td style="width:251px;">Clariant, Switzerland</td>
			<td style="width:119px;">184411</td>
			<td>AZ 300 MIF Developer</td>
		</tr>
		<tr height="42">
			<td height="42" style="height:42px;width:241px;">Cu, Ag, Au, Ni, and Zn Electroplating solutions</td>
			<td style="width:251px;">Caswell, USA</td>
			<td style="width:119px;"></td>
			<td>Ready to use solutions (PLUG N&#39; PLATE)</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Keithley 2400 SourceMeter</td>
			<td style="width:251px;">Keithley, USA</td>
			<td style="width:119px;">41J2103</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">COC Plastic Films</td>
			<td style="width:251px;">TOPAS, Germany</td>
			<td style="width:119px;">F13-19-1</td>
			<td>Grade 8007 (Glass transition temperature: 78 &#176;C)</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Hydraulic Press&#160;</td>
			<td style="width:251px;">Specac Ltd., UK</td>
			<td style="width:119px;">GS15011</td>
			<td>With low tonnage kit ( 0-1 ton guage)</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Temperature Controller&#160;</td>
			<td style="width:251px;">Specac Ltd., UK</td>
			<td style="width:119px;">GS15515</td>
			<td>Water cooled heated platens and controller</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Chiller&#160;</td>
			<td style="width:251px;">Grant Instruments, UK</td>
			<td style="width:119px;">T100-ST5</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Polymethyl Methacrylate (PMMA)</td>
			<td style="width:251px;">Sigma-Aldrich</td>
			<td style="width:119px;">200336</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Anisole</td>
			<td style="width:251px;">Sigma-Aldrich</td>
			<td style="width:119px;">96109</td>
			<td>Highly flammable</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">EBL Setup</td>
			<td style="width:251px;">Philips, Netherlands</td>
			<td style="width:119px;">FEI XL30</td>
			<td>Scanning electron microscope equipped with a JC Nabity pattern generator&#160;&#160;</td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Isopropyl Ketone&#160;</td>
			<td style="width:251px;">Sigma-Aldrich</td>
			<td style="width:119px;">108-10-1</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">Silver Paste</td>
			<td style="width:251px;">Ted Pella, Inc, USA</td>
			<td style="width:119px;">16031</td>
			<td></td>
		</tr>
		<tr height="21">
			<td height="21" style="height:21px;width:241px;">UV&#8211;Vis Spectrometer&#160;</td>
			<td style="width:251px;">Perkin Elmer, USA</td>
			<td style="width:119px;">L950</td>
			<td></td>
		</tr>
	</tbody>
</table>

scalable solution-processed fabrication strategy for high-performance, flexible, transparent electrodes with embedded metal mesh

Hierin rapporteren de auteurs de embedded transparant elektrode (EMTE), een nieuwe transparante elektrode (TE) met een metalen gaas, volledig ingebed in een polymeer film. Dit papier presenteert ook een goedkope, vacuümvrije fabricage methode voor deze nieuwe TE; De aanpak combineert lithografie, elektroplating en imprintoverdracht (LEIT) verwerking. De embedded aard van de EMTEs biedt vele voordelen, zoals de hoge oppervlak gladheid, die essentieel is voor de productie van biologische elektronische apparaten; Superieure mechanische stabiliteit tijdens het buigen; Gunstige weerstand tegen chemicaliën en vocht; En sterke hechting met plastic film. LEIT fabricage beschikt over een elektropletteringsproces voor vacuümvrije metaalafzetting en is gunstig voor industriële massaproductie. Bovendien zorgt LEIT voor het vervaardigen van metalen gaas met een hoge aspectverhouding ( dwz de dikte tot de lijnbreedte), waardoor de elektrische geleidbaarheid aanzienlijk wordt versterkt zonder dat optische transmittance. We tonen verschillende prototypes van flexibele EMTE&#39;s, met bladweerstanden lager dan 1 Ω / m² en transmittances groter dan 90%, wat resulteert in zeer hoge cijfers van verdiensten (FoM) - tot 1,5 x 10 4 - die behoren tot de beste waarden in de Gepubliceerde literatuur.

Figuur 1 toont het schematische en fabricage flowchart van de EMTE monsters. Zoals gepresenteerd in Figuur 1a bestaat het EMTE uit een metaalnetje dat volledig in een polymeerfilm is ingebed. Het bovenvlak van het gaas is op hetzelfde niveau als het substraat, waarbij een over het algemeen glad oppervlak voor de volgende apparaatproductie wordt weergegeven. De fabricage techniek wordt schematisch uitgelegd in <strong class="xfig...

Watch this Scientific Journal Video about Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh at JoVE.com

Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh

Dit protocol beschrijft een op oplossings gebaseerde fabricage-strategie voor high-performance, flexibele, transparante elektroden met volledig ingebed, dik metaalnetwerk. Flexibele transparante elektroden vervaardigd door dit proces tonen onder de hoogste gerapporteerde prestaties, waaronder ultra-lage velweerstand, hoge optische transmissie, mechanische stabiliteit onder buigen, sterke substraathechting, oppervlak gladheid en milieubestabiliteit.

Schaalbare Oplossing-Verwerkte Fabricage Strategie voor High Performance, Flexibele, Transparante Elektroden Met Embedded Metal Mesh

Here, the authors report the embedded metal-mesh transparent electrode (EMTE), a new transparent electrode (TE) with a metal mesh completely embedded in a ...

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