Application of Femtosecond Laser on Nanoparticles Synthesis
and Characterization
of Fuel Cells and Lithium Batteries
Isnaeni, Yuliati Herbani, Yuyun Irmawati, Qolby Sabrina, Maria Margaretha Suliyanti
Research Center for Physics, Indonesian Institute of Sciences
Outline
Introduction to Femtosecond Laser
Basic principle
General applications
Nanoparticles synthesis
Gold nanoparticles
Gold/Silver alloy nanoparticles
Others
Laser plasma spectroscopy
Basic principle
Lithium analysis
Summary
Introduction to Femtosecond Laser
Basic principle
General applications
Nanoparticles synthesis
Gold nanoparticles
Gold/Silver alloy nanoparticles
Others
Laser plasma spectroscopy
Basic principle
Lithium analysis
Summary
Femtosecond Laser
What is Laser?
Light amplification by stimulated emission of radiation
http://photon-science.desy.de/facilities/flash/the_free_electron_laser/how_it_works/lasers/index_eng.html
Femtosecond Laser
What is Femtosecond Laser?
Key points: pulse duration, power, wavelength
http://avesta.ru/en/product/tif-100-ti-sapphire-femtosecond-solid-state-oscillator/
Femtosecond Laser
http://rostimes.com/2011RJO/RJO20110102.htm
Femtosecond Laser
Laser control of physicochemical processes; experiments and applications
Femtosecond Laser
Illustration courtesy Amada Miyachi America Inc.
Introduction to Femtosecond Laser
Basic principle
General applications
Nanoparticles synthesis
Gold nanoparticles
Gold/Silver alloy nanoparticles
Others
Laser plasma spectroscopy
Basic principle
Lithium analysis
Summary
Nanoparticles Synthesis
Laser Ablation Photoreduction
Top down approach
No chemicals
Difficult for shape controlling
Bottom Up approach
Requires metal salt
Shape controlling is possible
Nanoparticles Synthesis
Metal Nanoparticles : Laser Ablation in Liquid
Au Ag Cu
Y Herbani et al 2018 J. Phys.: Conf. Ser. 985 012005 Pulse laser ablation of Au, Ag, and Cu metal targets in liquid for nanoparticle production
Nanoparticles Synthesis
Yuliati Herbani, Journal of Colloid and Interface Science Volume 375, Issue 1, 1 June 2012, Pages 78-87
Metal Nanoparticles : Laser Ablation in Liquid
Nanoparticles Synthesis
NiPt nanoparticles
Metal Nanoparticles : Laser Ablation in Liquid
Isnaeni, unpublished data
Nanoparticles Synthesis
Carbon Dots: Laser Ablation in Liquid
Isnaeni, AIP Conf. Proc. 1801, 020001-1–020001-5; doi: 10.1063/1.4973079 Influence of ablation wavelength and time on optical properties of laser ablated carbon dots
Nanoparticles Synthesis
Au & Au/Ag alloy Nanoparticles: Photoreduction
Au Au/Ag
Alloy
Presented at ISFAP 2018
Nanoparticles Synthesis
Au & Au/Ag alloy Nanoparticles: Photoreduction
Au (100%)
Ag (100%) Au/Ag Alloy
Presented at ISFAP 2018
Introduction to Femtosecond Laser
Basic principle
General applications
Nanoparticles synthesis
Gold nanoparticles
Gold/Silver alloy nanoparticles
Others
Laser plasma spectroscopy
Basic principle
Lithium analysis
Summary
Laser-Induced Plasma Spectroscopy
Basic principle of LIPS
Laser-Induced Plasma Spectroscopy
Basic principle of LIPS
Nd:YAG Pulsed Laser
Nd:YAG Pulsed Laser
Lens
Lens
Vacuum Chamber
Solid Sample
Cuvette Liquid Sample
Plasma
Plasma
Laser-Induced Plasma Spectroscopy
Basic principle of LIPS : Sample
Laser-Induced Plasma Spectroscopy
LIPS: Lithium identification
Laser-Induced Plasma Spectroscopy
LIPS: Lithium identification
Isnaeni, unpublished data
Laser-Induced Plasma Spectroscopy
LIPS: Lithium identification
Li-titanate oxide (LTO) in the anode
Isnaeni, unpublished data
Laser-Induced Plasma Spectroscopy
LIPS: Lithium identification
Lithium iron-oxide-based anode
Isnaeni, unpublished data
Research Group of LASER
Research Center for Physics
Indonesian Institute of Sciences
Nd:YAG
Nanosecond Laser
Spectra Physics Femtosecond Laser
Topas Prime
Picoquant
Picosecond Laser
Kymera Spectrograph iStar Andor CCD
MAYA
Spectrometer
Summary
Basic of Femtosecond Laser
Nanoparticles synthesis for FC using Laser
Lithium characterization using LIPS
