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Hybrid solar cells with conducting polymers and vertically aligned silicon nanowire arrays: The effect of silicon conductivity

Title
Hybrid solar cells with conducting polymers and vertically aligned silicon nanowire arrays: The effect of silicon conductivity
Authors
Woo, S[Woo, Sungho]Jeong, JH[Jeong, Jae Hoon]Lyu, HK[Lyu, Hong Kun]Jeong, S[Jeong, Seonju]Sim, JH[Sim, Jun Hyoung]Kim, WH[Kim, Wook Hyun]Han, YS[Han, Yoon Soo]Kim, Y[Kim, Youngkyoo]
DGIST Authors
Woo, S[Woo, Sungho]; Jeong, JH[Jeong, Jae Hoon]; Lyu, HK[Lyu, Hong Kun]; Jeong, S[Jeong, Seonju]; Sim, JH[Sim, Jun Hyoung]; Kim, WH[Kim, Wook Hyun]
Issue Date
2012-08-01
Citation
Physica B: Condensed Matter, 407(15), 3059-3062
Type
Article
Article Type
Article; Proceedings Paper
Keywords
Conducting PolymersConductive SiliconConductivityDevice PerformanceElectric ConductivityElectric ResistanceElectrochemical Redox ReactionsFill-FactorHeterojunctionsHybrid Solar CellsN-Si WafersN Type SiliconNanowiresOrganic-Inorganic HybridsP-TypePEDOT:PSSRedox ReactionsSeries ResistancesSi NanowireSi Nanowire ArraySiliconSilicon Nanowire ArraysSilicon WafersSolar CellsSurface AreaVertically Aligned
ISSN
0921-4526
Abstract
Organic/inorganic hybrid solar cells, based on vertically aligned n-type silicon nanowires (n-Si NWs) and p-type conducting polymers (PEDOT:PSS), were investigated as a function of Si conductivity. The n-Si NWs were easily prepared from the n-Si wafer by employing a silver nanodot-mediated micro- electrochemical redox reaction. This investigation shows that the photocurrent-to-voltage characteristics of the n-Si NW/PEDOT:PSS cells clearly exhibit a stable rectifying diode behavior. The increase in current density and fill factor using high conductive silicon is attributed to an improved charge transport towards the electrodes achieved by lowering the devices series resistance. Our results also show that the surface area of the nanowire that can form heterojunction domains significantly influences the device performance. © 2011 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/3343
DOI
10.1016/j.physb.2011.08.099
Publisher
Elsevier B.V.
Files:
There are no files associated with this item.
Collection:
Convergence Research Center for Solar Energy1. Journal Articles
School of Undergraduate Studies1. Journal Articles
Division of IoT∙Robotics Convergence Research1. Journal Articles
ETC1. Journal Articles


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