Tailoring transparence in MoOx/Ag/MoOx electrode through Ag by O2/Ar plasma exposure

Tzu Wei Lin, Pang Shiu Chen, Zheng Ying Wang, Kai Wei Zhuang, Su Ching Chiu, Cheng Hsiung Peng, Sheng Wei Lee

Research output: Contribution to journalArticlepeer-review


In this study, amorphous MoOx films and Ag metal films were deposited on soda-lime glass via a sputtering system at room temperature. The experimental results indicate that MoOx films prepared with a 6% O2/Ar flow rate exhibit an amorphous phase with high transparency and an optical band gap of 2.7 eV. In-situ O2/Ar plasma was adopted to further modify the surface of the Ag mid-layer after deposition. This approach can enhance the visible transmittance of MoOx and Ag-based multilayers with the same sheet resistance. The polygrains oriented along the (111) and (200) directions in the inserted Ag thin films were adopted to supply carriers into the MoOx film and decrease the sheet resistance of the MoOx and Ag-based multilayer. The multilayer structure exhibited a sufficiently large Ag thickness (>10 nm), low resistance, and visible transmittance to serve as a transparent conductive electrode. The dependence of the Ag thickness, MoOx thickness, and plasma treatment time on the optical and electrical properties of Ag/MoOx and symmetric MoOx/Ag/MoOx were also explored. A figure of merit (FOM) of 5.3×10−2 (Ω−1) was achieved at the visible wavelength of 550 nm for a MoOx/Ag/MoOx stacked layer with a 10-nm-thick Ag layer and a 30-nm-thick MoO3 layer. Such a MoOx/Ag/MoOx stacked structure might be a promising electrode in potential applications of transparent conductive oxides.

Original languageEnglish
Pages (from-to)308-315
Number of pages8
JournalCeramics International
Issue number1
StatePublished - 1 Jan 2017


  • MoO
  • Plasma treatment
  • Silver
  • Sputtering
  • Transparent conductive oxide


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