High haze Ga and Zr co-doped zinc oxide transparent electrodes for photovoltaic applications.

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Title: High haze Ga and Zr co-doped zinc oxide transparent electrodes for photovoltaic applications.
Authors: Wu, Cheng-Yang1 (AUTHOR), Chiu, Li-Ching1 (AUTHOR), Juang, Jia-Yang1 (AUTHOR) jiayang@ntu.edu.tw
Source: Journal of Alloys & Compounds. Apr2022, Vol. 901, pN.PAG-N.PAG. 1p.
Subjects: Oxide electrodes, Haze, Gibberellic acid, Zinc oxide, Solar cell efficiency, Plasma jets, Zirconium compounds, Atmospheric pressure
Abstract: • Ga and Zr co-doped ZnO with high haze, high transmittance, and high conductivity. • GZO:Zr deposited by APPJ in one step without changing processing parameters. • High haze (~35%) is achieved by the rougher surface of the as-deposited films. • A facile and cost-effective method suitable for commercial mass production. [Display omitted] Creating textured front electrodes to improve optical path length is promising to enhance the power conversion efficiency of solar cells. Deposition of transparent conductive oxides with textured surfaces usually requires additional processing steps, such as etching and coating nanoparticles. However, this makes the process complicated and inefficient. We demonstrate a one-step fabrication process to deposit high haze gallium and zirconium co-doped zinc oxides (GZO:Zr) prepared by atmospheric pressure plasma jets. GZO:Zr (2 at%) films achieve a low resistivity (7.88 × 10–4 Ω cm), a high haze (34.8%), and a great FoM (8.22 × 10−3 Ω−1). The haze factor increases from 7.19% to 34.8% (+384%) when 2% Zr is doped into GZO films. Such an enhancement of haze is attributed to the increased surface roughness and deterioration of crystallinity. AFM results show that roughness increases from 18.4 to 122 nm after 2% Zr is doped. SEM images show that spherical particles appeared on the film surface when Zr was doped into GZO films. Unlike conventional methods, our method produces hazy transparent electrodes in one step without changing any operational parameters and is suitable for industrial-scale mass production. Our findings pave the way for new applications of co-doping in transparent conductive oxides. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: High haze Ga and Zr co-doped zinc oxide transparent electrodes for photovoltaic applications.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Cheng-Yang%22">Wu, Cheng-Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chiu%2C+Li-Ching%22">Chiu, Li-Ching</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Juang%2C+Jia-Yang%22">Juang, Jia-Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jiayang@ntu.edu.tw</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Alloys+%26+Compounds%22">Journal of Alloys & Compounds</searchLink>. Apr2022, Vol. 901, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Oxide+electrodes%22">Oxide electrodes</searchLink><br /><searchLink fieldCode="DE" term="%22Haze%22">Haze</searchLink><br /><searchLink fieldCode="DE" term="%22Gibberellic+acid%22">Gibberellic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Zinc+oxide%22">Zinc oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+cell+efficiency%22">Solar cell efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+jets%22">Plasma jets</searchLink><br /><searchLink fieldCode="DE" term="%22Zirconium+compounds%22">Zirconium compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+pressure%22">Atmospheric pressure</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Ga and Zr co-doped ZnO with high haze, high transmittance, and high conductivity. • GZO:Zr deposited by APPJ in one step without changing processing parameters. • High haze (~35%) is achieved by the rougher surface of the as-deposited films. • A facile and cost-effective method suitable for commercial mass production. [Display omitted] Creating textured front electrodes to improve optical path length is promising to enhance the power conversion efficiency of solar cells. Deposition of transparent conductive oxides with textured surfaces usually requires additional processing steps, such as etching and coating nanoparticles. However, this makes the process complicated and inefficient. We demonstrate a one-step fabrication process to deposit high haze gallium and zirconium co-doped zinc oxides (GZO:Zr) prepared by atmospheric pressure plasma jets. GZO:Zr (2 at%) films achieve a low resistivity (7.88 × 10–4 Ω cm), a high haze (34.8%), and a great FoM (8.22 × 10−3 Ω−1). The haze factor increases from 7.19% to 34.8% (+384%) when 2% Zr is doped into GZO films. Such an enhancement of haze is attributed to the increased surface roughness and deterioration of crystallinity. AFM results show that roughness increases from 18.4 to 122 nm after 2% Zr is doped. SEM images show that spherical particles appeared on the film surface when Zr was doped into GZO films. Unlike conventional methods, our method produces hazy transparent electrodes in one step without changing any operational parameters and is suitable for industrial-scale mass production. Our findings pave the way for new applications of co-doping in transparent conductive oxides. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Alloys & Compounds is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jallcom.2022.163678
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Oxide electrodes
        Type: general
      – SubjectFull: Haze
        Type: general
      – SubjectFull: Gibberellic acid
        Type: general
      – SubjectFull: Zinc oxide
        Type: general
      – SubjectFull: Solar cell efficiency
        Type: general
      – SubjectFull: Plasma jets
        Type: general
      – SubjectFull: Zirconium compounds
        Type: general
      – SubjectFull: Atmospheric pressure
        Type: general
    Titles:
      – TitleFull: High haze Ga and Zr co-doped zinc oxide transparent electrodes for photovoltaic applications.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Wu, Cheng-Yang
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            NameFull: Chiu, Li-Ching
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          Name:
            NameFull: Juang, Jia-Yang
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          Dates:
            – D: 25
              M: 04
              Text: Apr2022
              Type: published
              Y: 2022
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              Value: 09258388
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            – Type: volume
              Value: 901
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            – TitleFull: Journal of Alloys & Compounds
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