Abstract
We report a simple method for the laser direct writing of silver structures which are fabricated by using femtosecond laser (fs-laser) pulses on Transparent Substrates coating of Silver ion-doped Polyvinyl Pyrrolidone thin-film. In this work, we combine with photonic reduction to produce novel nanostructured substrates. By tuning the laser energy the substrates are demonstrated to exhibit three different kinds of structure which at first is silver nanowires, then is silver nanograting , finally is silver nanoparticles. Three different state have their own application . The obtained structures were analyzed by a scanning electron microscope . we use the nanoparticles as a surface-enhanced Raman scattering-active (SERS-active) substrates, such SERS substrates for chemisorbed p-thiocresol (pTc) molecules at 633 nm excitation wavelength was measured. This technique is an excellent means of providing sensitive substrates for SERS with capability of signal homogeneity, high sensitivity and chemical stability.
© 2017 Optical Society of America
PDF ArticleMore Like This
M.S.S. Bharathi, Dipanjan Banerjee, and Venugopal Rao Soma
JW2A.7 Advanced Solid State Lasers (ASSL) 2023
Xu Hou, Qi Wang, Guoming Mao, Hao Liu, and Xiaomin Ren
s1831 Conference on Lasers and Electro-Optics/Pacific Rim (CLEO/PR) 2017
Gang Cao, Zufang Huang, Xuchao Miu, Yan Sun, Yongzeng Li, Jinhua Chen, Jinping Lei, and Rong Chen
W3A.12 International Conference on Photonics and Imaging in Biology and Medicine (PIBM) 2017