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DC Field | Value | Language |
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dc.citation.endPage | 6224 | - |
dc.citation.number | 6 | - |
dc.citation.startPage | 6218 | - |
dc.citation.title | ACS NANO | - |
dc.citation.volume | 11 | - |
dc.contributor.author | Um, Han-Don | - |
dc.contributor.author | Choi, Deokjae | - |
dc.contributor.author | Choi, Ahreum | - |
dc.contributor.author | Seo, Ji Hoon | - |
dc.contributor.author | Seo, Kwanyong | - |
dc.date.accessioned | 2023-12-21T22:11:58Z | - |
dc.date.available | 2023-12-21T22:11:58Z | - |
dc.date.created | 2017-05-23 | - |
dc.date.issued | 2017-06 | - |
dc.description.abstract | We demonstrate here an embedded metal electrode for highly efficient organic-inorganic hybrid nanowire solar cells. The electrode proposed here is an effective alternative to the conventional bus and finger electrode which leads to a localized short circuit at a direct Si/metal contact and has a poor collection efficiency due to a nonoptimized electrode design. In our design, an Ag/SiO2 electrode is embedded into a Si substrate while being positioned between Si nanowire (SiNW) arrays underneath poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), facilitating suppressed recombination at the Si/Ag interface and notable improvements in the fabrication reproducibility. With an optimized microgrid electrode, our 1-cm2 hybrid solar cells exhibit a power conversion efficiency of up to 16.1% with an open-circuit voltage of 607 mV and a short circuit current density of 34.0 mA/cm2. This power conversion efficiency is more than twice as high as that of solar cells using a conventional electrode (8.0%). The microgrid electrode significantly minimizes the optical and electrical losses. This reproducibly yields a superior quantum efficiency of 99% at the main solar spectrum wavelength of 600 nm. In particular, our solar cells exhibit a significant increase in the fill factor of 78.3% compared to that of a conventional electrode (61.4%); this is because of the drastic reduction in the metal/contact resistance of the 1-μm-thick Ag electrode. Hence, the use of our embedded microgrid electrode in the construction of an ideal carrier collection path presents an opportunity in the development of highly efficient organic-inorganic hybrid solar cells. | - |
dc.identifier.bibliographicCitation | ACS NANO, v.11, no.6, pp.6218 - 6224 | - |
dc.identifier.doi | 10.1021/acsnano.7b02322 | - |
dc.identifier.issn | 1936-0851 | - |
dc.identifier.scopusid | 2-s2.0-85021450220 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/22174 | - |
dc.identifier.url | http://pubs.acs.org/doi/abs/10.1021/acsnano.7b02322 | - |
dc.identifier.wosid | 000404808000103 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Embedded Metal Electrode for Organic-Inorganic Hybrid Nanowire Solar Cells | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary | - |
dc.relation.journalResearchArea | Chemistry; Science & Technology - Other Topics; Materials Science | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | hybrid solar cells | - |
dc.subject.keywordAuthor | Si nanowire | - |
dc.subject.keywordAuthor | metal electrode | - |
dc.subject.keywordAuthor | microgrid | - |
dc.subject.keywordAuthor | embedded electrode | - |
dc.subject.keywordAuthor | PEDOT:PSS | - |
dc.subject.keywordPlus | SELECTIVE CONTACTS | - |
dc.subject.keywordPlus | EFFICIENCY | - |
dc.subject.keywordPlus | SURFACE | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | FILM | - |
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