은나노와이어와 2차원 구조 루테늄산화물 하이브리드 재료의 광전기적 특성
Optoelectric properties of hybrid materials with Ag-nanowire and 2-dimensional structured RuO₂
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초록
화학적 박리법을 이용하여 나노미터 두께를 갖는 2차원 (2D) RuO₂ 나노시트를 합성하였다. 차세대 투명전극 소재로 주목받고 있는 Ag-nanowire(NW)와 본 연구에서 합성된 2D-RuO₂를 하이브리드화하였다. 기판 위에 Ag-NW 코팅 후 2D-RuO₂를 추가로 코팅하였다. 광투과도의 감소는 있었지만 2D-RuO₂를 하이브리드화하여 면저항 감소 효과를 확인할 수 있었다. 또한 제조된 투명전극의 유연성 실험도 진행하였다. 벤딩 후 면저항 변화로 확인하였다. 2D-RuO₂의 추가 코팅으로 투명전극 유연성이 향상되었다.
Abstract
Two-dimensional (2D) RuO₂ nanosheets with nanometer thickness were synthesized using a chemical exfoliation method. The synthesized 2D-RuO₂ was hybridized with Ag-nanowire (NW), which is attracting attention as a next-generation transparent electrode material. After coating Ag-NW on the substrate, 2D-RuO₂ was subsequently coated on the Ag-NW. Although there was a decrease in optical transmittance, the hybridization of 2D-RuO₂ confirmed the effect of reducing sheet resistance. Furthermore, the flexibility of the fabricated transparent electrodes was also studied. It was confirmed by the change in sheet resistance after bending. The additional coating of 2D-RuO2 improved the flexibility of the transparent electrodes.
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