Speaker
Description
The main focus of the proposed project is on the research of the optimal conditions for the growth of noble metal, Gold (Au), Plasmonic nanoparticles (NPs), into selected dielectric matrices, as transition metal oxides. The ultimate goal will be the development of an optical biodetection system, able to detect low concentrations of Biomolecules.
The used undoped matrixes will be deposited by conventional methods as magnetron sputtering. The semiconducting/dielectric films will then be ion implanted at Laboratório de Aceleradores e Tecnologias de Radiação do IST. The beam power density will be optimized to minimize the heating effects during the implantation. All the Au-doped matrixes will be then annealed at different temperatures to promote the coalescence of the implanted ions into nanoparticles inside the matrix. Different annealing procedures (temperature vs. time) and fluences will be studied to find the ideal process to grow the nanoparticles with different distributions and dimensions.
