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28 August 2018 Effect of size and chemical composition of graphene oxide nanoparticles on optical absorption cross-section
Mohadeseh Hashemi, Bharadwaj Muralidharan, Meisam Omidi, Javad Mohammadi, Yahya Sefidbakht, Eun Song Kim, Hugh D. C. Smyth, Mohammad Shalbaf, Thomas E. Milner
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Journal of Biomedical Optics, Vol. 23, Issue 8, 085007 (August 2018). https://doi.org/10.1117/1.JBO.23.8.085007
Abstract
Photothermal therapy with various nanoparticles, as photothermal transducers, is a widely researched technique. A continuous wave (CW) laser is employed during this procedure. The therapeutic setup is slightly modified to measure the optical absorption cross-section of the graphene oxide (GO), by mitigating the effects of heat diffusion and light scattering. With an 808-nm CW laser setup modulated by a waveform modulation setup, the effect of nanoparticle size and composition of GO in water on optical absorption cross section is characterized.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE) 1083-3668/2018/$25.00 © 2018 SPIE
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Mohadeseh Hashemi, Bharadwaj Muralidharan, Meisam Omidi, Javad Mohammadi, Yahya Sefidbakht, Eun Song Kim, Hugh D. C. Smyth, Mohammad Shalbaf, and Thomas E. Milner "Effect of size and chemical composition of graphene oxide nanoparticles on optical absorption cross-section," Journal of Biomedical Optics 23(8), 085007 (28 August 2018). https://doi.org/10.1117/1.JBO.23.8.085007
Received: 8 February 2018; Accepted: 3 August 2018; Published: 28 August 2018
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KEYWORDS
Absorption
Nanoparticles
Particles
Scattering
Infrared cameras
Graphene
Laser scattering
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