| Ohmic contact effect of Ag-nanodots on quantum efficiency of Si solar cell. | |
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MedLine Citation:
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PMID: 22966609 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The authors investigated Si solar cell with the inclusion of nano-Ag dots using the ink-jet printer. These nano-Ag dots were used for the Ohmic contact layer on phospho-silicate glass layer, which was not removed after the formation of Si emitter layer by phosphorus diffusion process. The SiNx layer deposited on the nano-Ag dots shows the catalyst selective growth and so the layer formed beneath of nano-Ag dots. The photoreflectances show that the long wavelength from 360 nm to 1200 nm tends to be increased as the density of the nano-Ag is increased. In case of short wavelength from 294 nm to 367 nm, it shows the opposite trend, indicating the plasmon effect of the nano-Ag. As embedding the nano-Ag dots on the phospho-silicate glass layer, the blocked Ohmic contact was opened and the quantum efficiency of 14.4% was achieved, which is higher than the reference sample of 12.72% without the glass layer. The nano-Ag dots form the good Ohmic contact and also enhance the light conversion efficiency with the formation of surface plasmon. |
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Authors:
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Jaeho Choi; Bhaskar Parida; Hyung Yong Ji; Seungil Park; Keunjoo Kim |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of nanoscience and nanotechnology Volume: 12 ISSN: 1533-4880 ISO Abbreviation: J Nanosci Nanotechnol Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-09-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088195 Medline TA: J Nanosci Nanotechnol Country: United States |
Other Details:
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Languages: eng Pagination: 5552-7 Citation Subset: IM |
Affiliation:
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Department of Mechanical Engineering and Research Center of Industrial Technology, Chonbuk National University, Jeonju 561-756, R. O. Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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