Experimental and theoretical study of low-cost hydrothermally grown nanowire silicon solar cell

Hung Hsien Li, Albert Lin, Yan Kai Zhong, Sze Ming Fu, Shih Yun Lai, Chi Wei Tseng, Shang Ru Lin, Wei Ming Lai, Yu Chiun Lin, Yu Ren Li, Huang-Chung Cheng

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The low cost and high absorbance is the two most important considerations for thin-film silicon photovoltaics. In this work, aluminum doped zinc oxide(AZO) nanowire is grown by low cost hydrothermal method and nano-structured amorphous silicon(α-Si) solar cell is realized on these AZO nanowire substrate. The experimental result shows superior light trapping property compared to conventional planar structure with 18.83% improvement in photocurrent. Simulation result shows the required thickness for full absorption for high aspect ratio AZO nanowire solar cell is ∼0.3 m, much thinner than planar type solar cell. The calculation reveals that solar cell absorbance increases with the nanowire length and packing density, indicating material volume is the first order effect for nanowire solar cells. The proposed low-cost AZO nanowire array amorphous silicon solar cell is very promising for future nanostructured silicon photovoltaics.

Original languageEnglish
Title of host publication39th IEEE Photovoltaic Specialists Conference, PVSC 2013
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages589-593
Number of pages5
ISBN (Print)9781479932993
DOIs
StatePublished - 1 Jan 2013
Event39th IEEE Photovoltaic Specialists Conference, PVSC 2013 - Tampa, FL, United States
Duration: 16 Jun 201321 Jun 2013

Publication series

NameConference Record of the IEEE Photovoltaic Specialists Conference
ISSN (Print)0160-8371

Conference

Conference39th IEEE Photovoltaic Specialists Conference, PVSC 2013
CountryUnited States
CityTampa, FL
Period16/06/1321/06/13

Keywords

  • Light trapping
  • Nanowire
  • Photovoltaic cells
  • Silicon

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