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Exploring stochastic dynamics of nanomaterials

Grant number: 16/23430-9
Support type:Regular Research Grants
Duration: May 01, 2017 - October 31, 2019
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal Investigator:René Alfonso Nome Silva
Grantee:René Alfonso Nome Silva
Home Institution: Instituto de Química (IQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated grant(s):19/00290-5 - Rotational diffusion in two-dimensional colloidal glasses, AP.R


This research proposal aims to study stochastic dynamics of nanoparticles under the influence of thermal, harmonic, optical and non-conservative forces through an integrated experimental/computational approach. On the experimental side, we plan to characterize nanoparticle dynamics through quantitative microscopy, optical tweezers and femtosecond time-resolved spectroscopy measurements (pump-probe, optical Kerr effect, and four-wave mixing). On the computational front, we plan to integrate molecular dynamics with plasmonics to investigate stochastic dynamics of nanoparticles at the molecular level. We also plan to perform stochastic dynamics simulations with the Generalized Langevin equation formalism. Overall, this approach will be employed to study nanoparticles in solution and deposited over substrates. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FERBONINK, G. F.; RODRIGUES, T. S.; DOS SANTOS, D. P.; CAMARGO, P. H. C.; ALBUQUERQUE, R. Q.; NOME, R. A. Correlating structural dynamics and catalytic activity of AgAu nanoparticles with ultrafast spectroscopy and all-atom molecular dynamics simulations. FARADAY DISCUSSIONS, v. 208, p. 269-286, AUG 1 2018. Web of Science Citations: 0.

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