Study on optical nonlinearity and optical limiting property of porphyrin-oxygenated carbon nanomaterial blends |
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| Authors: | WEN Hao ZHANG Xiao-liang LIU Zhi-bo YAN Xiao-qing LI Xiao-chun and TIAN Jian-guo |
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| Affiliation: | Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China;College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China;Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China;College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China;Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School and School of Physics , Nankai University, Tianjin 300457, China;Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School and School of Physics , Nankai University, Tianjin 300457, China;Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School and School of Physics , Nankai University, Tianjin 300457, China;Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China;College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China;Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Teda Applied Physics School and School of Physics , Nankai University, Tianjin 300457, China |
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| Abstract: | Stable porphyrin-oxygenated carbon nanomaterial dispersions were prepared by blending porphyrin solutions with hydroxyl groups modified multi-walled carbon nanotubes (MWNTs-OH) and graphene oxide (GO) dispersions, respectively. Optical nonlinearity and optical limiting (OL) property of these blends are investigated in nanosecond regime. Results show that the OL performance of the blends can be tuned by changing the concentrations ratio of porphyrin and oxygenated carbon nanomaterials. The high concentration of oxygenated carbon nanomaterial leads to the poor OL performance. However, with the moderate concentration, the blends exhibit the low threshold value of OL and the enhanced OL performance at high fluence region. The superior OL performance can be attributed to complementary mechanisms and possible photoinduced electron or energy transfer between porphyrin moiety and oxygenated carbon nanomaterials. |
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