Fabrication and near-infrared optical responses of 2D periodical Au/ITO nanocomposite arrays

Zhengyuan Bai; Guiju Tao; Yuanxin Li; Jin He; Kangpeng Wang; Gaozhong Wang; Xiongwei Jiang; Jun Wang; Werner Blau; Long Zhang

doi:doi:10.1364/PRJ.5.000280

Photonics Research, 2017, 5 (4): 04000280, Published Online: Oct. 10, 2018

Fabrication and near-infrared optical responses of 2D periodical Au/ITO nanocomposite arrays Download： 820次

Zhengyuan Bai ^1,2,3Guiju Tao ^4,6Yuanxin Li ^1,3Jin He ⁵Kangpeng Wang ²Gaozhong Wang ²Xiongwei Jiang ¹Jun Wang ¹Werner Blau ²Long Zhang ^1,*

Author Affiliations

¹ Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

² School of Physics and the Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin 2, Ireland

³ University of Chinese Academy of Sciences, Beijing 100039, China

⁴ Shanghai Research Institute of Petrochemical Technology, SINOPEC, Shanghai 201208, China

⁵ Institute of Chemistry, the Hebrew University of Jerusalem, Jerusalem 91904, Israel

⁶ e-mail: gjtao@siom.ac.cn

Figures & Tables

Fig. 1. Scheme of the Au/ITO-NA fabrication process.

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Fig. 2. (a) Digital photograph and (b) FESEM images of the Au/ITO-NA; (c) AFM topography of the sample and 2D longitudinal profile along the blue dashed line; high magnification SEM image of the (d) front and (e) back part of the Au/ITO-NA; (f) EDS results of the sample (inset: EDS 2D mapping of different elements in the Au/ITO-NA).

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Fig. 3. SEM images of (a) ITO-15, (b) ITO-20, (c) Au-20-NPA (inset: Au-20-NPs), (d) Au-10/ITO-20, (e) Au/ITO-NA, and (f) Au-30/ITO-20; formation mechanism schemes of (g) Au-10/ITO-20, (h) Au/ITO-NA, and (i) Au-30/ITO-20.

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Fig. 4. Optical extinction spectra of all the prepared samples.

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Fig. 5. (a) Extinction (E), absorption (A), and scattering (S) of the Au/ITO-NA; (b) comparison of the absolute absorbance of Au/ITO-NA and Au-20-NPA.

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Fig. 6. Schematic diagram of the fs-I-scan system used for the nonlinear transmission/absorption experiment.

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Fig. 7. TPA saturation effect of the Au/ITO-NA under the excitation of 340 fs, 1030 nm, and 1 kHz laser pulses.

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Fig. 8. TPA measurement results with repeated scan at the same point on the sample.

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Zhengyuan Bai, Guiju Tao, Yuanxin Li, Jin He, Kangpeng Wang, Gaozhong Wang, Xiongwei Jiang, Jun Wang, Werner Blau, Long Zhang. Fabrication and near-infrared optical responses of 2D periodical Au/ITO nanocomposite arrays[J]. Photonics Research, 2017, 5(4): 04000280.

Fabrication and near-infrared optical responses of 2D periodical Au/ITO nanocomposite arrays Download： 820次

Fig. 1. Scheme of the Au/ITO-NA fabrication process.

Fig. 3. SEM images of (a) ITO-15, (b) ITO-20, (c) Au-20-NPA (inset: Au-20-NPs), (d) Au-10/ITO-20, (e) Au/ITO-NA, and (f) Au-30/ITO-20; formation mechanism schemes of (g) Au-10/ITO-20, (h) Au/ITO-NA, and (i) Au-30/ITO-20.

Fig. 4. Optical extinction spectra of all the prepared samples.

Fig. 5. (a) Extinction (E), absorption (A), and scattering (S) of the Au/ITO-NA; (b) comparison of the absolute absorbance of Au/ITO-NA and Au-20-NPA.

Fig. 6. Schematic diagram of the fs-I-scan system used for the nonlinear transmission/absorption experiment.

Fig. 7. TPA saturation effect of the Au/ITO-NA under the excitation of 340 fs, 1030 nm, and 1 kHz laser pulses.

Fig. 8. TPA measurement results with repeated scan at the same point on the sample.

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Fabrication and near-infrared optical responses of 2D periodical Au/ITO nanocomposite arrays Download： 820次

Fig. 1. Scheme of the Au/ITO-NA fabrication process.

Fig. 3. SEM images of (a) ITO-15, (b) ITO-20, (c) Au-20-NPA (inset: Au-20-NPs), (d) Au-10/ITO-20, (e) Au/ITO-NA, and (f) Au-30/ITO-20; formation mechanism schemes of (g) Au-10/ITO-20, (h) Au/ITO-NA, and (i) Au-30/ITO-20.

Fig. 4. Optical extinction spectra of all the prepared samples.

Fig. 5. (a) Extinction (E), absorption (A), and scattering (S) of the Au/ITO-NA; (b) comparison of the absolute absorbance of Au/ITO-NA and Au-20-NPA.

Fig. 6. Schematic diagram of the fs-I-scan system used for the nonlinear transmission/absorption experiment.

Fig. 7. TPA saturation effect of the Au/ITO-NA under the excitation of 340 fs, 1030 nm, and 1 kHz laser pulses.

Fig. 8. TPA measurement results with repeated scan at the same point on the sample.

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