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Encapsulation of silver nanowire networks by atomic layer deposition for indium-free transparent electrodes
dc.creator | Goebelt, Manuela | |
dc.creator | Keding, Ralf | |
dc.creator | Schmitt, Sebastian W. | |
dc.creator | Hoffmann, Bjoern | |
dc.creator | Jaeckle, Sara | |
dc.creator | Latzel, Michael | |
dc.creator | Radmilović, Vuk | |
dc.creator | Radmilović, Velimir R. | |
dc.creator | Spiecker, Erdmann | |
dc.creator | Christiansen, Silke | |
dc.date.accessioned | 2021-03-10T12:49:48Z | |
dc.date.available | 2021-03-10T12:49:48Z | |
dc.date.issued | 2015 | |
dc.identifier.issn | 2211-2855 | |
dc.identifier.uri | http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3061 | |
dc.description.abstract | We report on the development of a novel nano-composite transparent electrode material to be used in various energy applications e.g. as contacts for solar cells, composed of a wet-chemically synthesized silver nanowire (AgNW) network encapsulated in a transparent conductive oxide (TCO) which was deposited with nano-scale precision by atomic layer deposition (ALD). The AgNWs form a random network on a substrate of choice when being drop casted. ALD encapsulation of AgNWs guarantees a conformal and thickness controlled coating of the wires e.g. by the selected aluminum doped zinc oxide (AZO). Annealing of the AgNWs prior to ALD coating, yield a local sintering of AgNWs at their points of intersection, which improves the conductivity of the composite electrodes by reducing their sheet resistance. To demonstrate the performance of these AgNW/AZO composite transparent electrodes, they were used as a top electrode on wafer-based silicon (Si) - solar cells. A novel combination of scanning electron microscopy and image processing is used to determine the degree of percolation of the AgNWs on large areas of the nano-composite AgNW/AZO electrodes. Our results show that the solar cell with percolated AgNW/AZO electrode show the highest short circuit current density (28 mA/cm(2)) and a series resistance in the same order of magnitude compared to reference solar cells with a thermally evaporated silver grid electrode. The electrode example we chose reveals that the developed AgNW/AZO electrode is a technologically relevant and cheap alternative to conventional solar cell screen printed grid electrodes, which contain similar to 95% more Ag per device area, with a high potential to be further systematically optimized by the presented image processing method. | en |
dc.publisher | Elsevier, Amsterdam | |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/280566/EU// | |
dc.relation | German research foundation (DFG) within the Research UnitGerman Research Foundation (DFG) [FOR1616] | |
dc.relation | DFGGerman Research Foundation (DFG) [GRK1896] | |
dc.relation | Cluster of Excellence 'Engineering of Advanced Materials (EAM)' at the University of Erlangen-Nuremberg, Germany [EXC315] | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172054/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45019/RS// | |
dc.rights | restrictedAccess | |
dc.source | Nano Energy | |
dc.subject | Atomic layer deposition | en |
dc.subject | Silver nano wires | en |
dc.subject | Transparent electrode | en |
dc.subject | Encapsulation | en |
dc.subject | Aluminum doped zinc oxide (AZO) | en |
dc.subject | Solar cell | en |
dc.title | Encapsulation of silver nanowire networks by atomic layer deposition for indium-free transparent electrodes | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 206 | |
dc.citation.other | 16: 196-206 | |
dc.citation.rank | aM21 | |
dc.citation.spage | 196 | |
dc.citation.volume | 16 | |
dc.identifier.doi | 10.1016/j.nanoen.2015.06.027 | |
dc.identifier.scopus | 2-s2.0-84936949237 | |
dc.identifier.wos | 000364579300021 | |
dc.type.version | publishedVersion |