Nonlinear optical and optical limiting properties of graphene oxide–Fe<sub>3</sub>O<sub>4</sub> hybrid material
Zhang, Xiao-Liang; Zhao, Xin; Liu, Zhi-Bo; Shi, Shuo; Zhou, Wen-Yuan; Tian, Jian-Guo; Xu, Yan-Fei; Chen, Yong-Sheng; Zhang, Xiao-Liang; The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School, Nankai University, Tianjin 300457, People’s Republic of China ; School of Physics, Nankai University, Tianjin 300071, People’s Republic of China; Zhao, Xin; The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School, Nankai University, Tianjin 300457, People’s Republic of China; Liu, Zhi-Bo; The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School, Nankai University, Tianjin 300457, People’s Republic of China; Shi, Shuo; The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School, Nankai University, Tianjin 300457, People’s Republic of China; Zhou, Wen-Yuan; School of Physics, Nankai University, Tianjin 300071, People’s Republic of China; Tian, Jian-Guo; School of Physics, Nankai University, Tianjin 300071, People’s Republic of China; Xu, Yan-Fei; Key Laboratory of Functional Polymer Materials and Center for Nanoscale Science and Technology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China; Chen, Yong-Sheng; Key Laboratory of Functional Polymer Materials and Center for Nanoscale Science and Technology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People’s Republic of China
Журнал:
Journal of Optics
Дата:
2011-07-01
Аннотация:
The nonlinear optical (NLO) and optical limiting properties of a graphene oxide hybrid material coordinated with Fe<sub>3</sub>O<sub>4</sub> nanoparticles (GO–Fe<sub>3</sub>O<sub>4</sub>) were studied by using the Z-scan technique at 532 nm in the nanosecond and picosecond regimes. Results show that GO–Fe<sub>3</sub>O<sub>4</sub> exhibits enhanced NLO and optical limiting properties in comparison with the pristine GO in the nanosecond regime. Compared with fullerene (C<sub>60</sub>) in toluene at different concentrations, GO–Fe<sub>3</sub>O<sub>4</sub> exhibits a weaker optical limiting effect than C<sub>60</sub> at high concentration, but shows a stronger optical limiting effect than C<sub>60</sub> at low concentration in the high input fluence region.
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