(NANOSCIENCE AND NANOTECHNOLOGY):
I. Nanoparticle Synthesis:
– Size- and shape-controlled synthesis of nanoparticles of different compositions (single and multiple metals, semiconductors, and hybrid metallic-semiconductor) and structures (solid, hollow, and rattle).
– Using new techniques to control nanocrystal growth based on stirring rate, temperature, capping agents, and reducing agents to prepare anisotropic nanoparticle shapes.
II. Nanoparticle Assembly:
– Fabrications of 2D arrays from the colloidally prepared nanoparticles with different structures on different substrates.
– Fabrication of monolayer assembled hybrid organic polymer-inorganic nanoparticles.
III. Colloidal Catalysis and photocatalysis:
– Catalysis using nano-reactors (hollow nanoparticles of a single shell, double shell, and rattle structures).
– Catalysis on active nanocatalysts with sharp corners and edges.
-Photocatalysis by plasmonic and semiconductor nanocatalysts and hybrid metallic-semiconductor nanoparticles.
-Electrocatalysis by single metallic and multiple metallic nanoparticles of different structures.
– Mechanistic studies of colloidal nanocatalysis (homogenous or heterogeneous).
– Studying the optical and optoelectrical properties of a monolayer assembly of hybrid p-conjugated polymers-inorganic plasmonic nanoparticles (improving the efficiency of organic solar cells using plasmonic nanoparticles)
V. Plasmonic Nanosensing:
– Sensing of biological systems and hazardous materials by plasmonic nanoparticles chips.
– Optomechanical and optoelectrical switching by plasmonic nanoparticles.
– Simulation of the surface plasmon resonance spectrum and the plasmon field of plasmonic nanoparticles.
VI. Spectroscopy and photophysics of nanomaterials:
– Real-time surface-enhanced Raman spectroscopy (SERS).
– Attenuated total reflection IR spectroscopy.
– Time-resolved infrared (rapid and step scan) and fluorescence spectroscopy.
– Femtosecond pump-probe transient absorption spectroscopy.