Xiao-Fang Jiang, Lakshminarayana Polavarapu, Hai Zhu, Rizhao Ma, Qing-Hua Xu, "Flexible, robust and highly efficient broadband nonlinear optical materials based on graphene oxide impregnated polymer sheets," Photonics Res. 3, A87 (2015)
- Photonics Research
- Vol. 3, Issue 3, A87 (2015)
Fig. 1. (a) AFM image of the as-prepared GO nanosheets. (b) Solution-processed preparation of flexible GO–PVA sheets by impregnating GO into PVA matrix and its bright field imaging. The inset is the schematic representation of GO–PVA sheets.
Fig. 2. (a) UV–Vis–NIR transmittance spectra of GO–PVA sheets prepared with different GO/PVA weight ratios. (b) Raman spectra of GO before and after the impregnation into PVA sheet.
Fig. 3. Open aperture Z-scan results of a GO–PVA sheet (GO ∶ PVA = 0.0025 ∶ 1
Fig. 4. Open aperture Z-scan results of a GO–PVA sheet (GO ∶ PVA = 0.0025 ∶ 1 68 mJ / cm 2
Fig. 5. Excitation fluence dependent ultrafast relaxation dynamics of GO–PVA sheet (GO ∶ PVA = 0.0025 ∶ 1
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Table 1. Linear Transmittance (T), Optical Limiting Onsets (F on F 50
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