Dr. Shaik Firdoz is a Research fellow at Technion-Israel Institute of Technology, Haifa, Israel. He obtained his PhD degree in Chemical and Biomolecular Engineering from National University of Singapore, Singapore and M. Tech degree in Nanotechnology from Indian Institute of Technology Roorkee-India. His research focus on the fabrication and development of advanced hybrid nanomaterials for the applications towards solar-fuel conversions systems, nanocatalysis and biomedical. He has authored or coauthored over 18 scientific publications in reputed journals and conferences including J. Am. Chem. Soc., Chem.Mater., Langmuir, J. Phys. Chem. C and Nanoscale. He is the recipient of NUS research fellowship, Grand Technion Energy program fellowship and Schulich Faculty of Chemistry Postdoctoral fellowship and several awards including best oral presentation and poster awards at ICOANN-2010 and Cognizance-2010 respectively.
I will discuss on the synthesis of complex photoactive anisotropic plasmonic metal-semiconductor nanohybrids (Au@SiO2@CdSe-CdS nanorods/QDs) and study how the plasmons of Au nanoprisms influence the optical properties of the semiconductors for Multiexciton generation. A photochemical staining method will be discussed for the characterization and selection of photocatalytic active nanohybrids. The possible application of these nanohybrids as novel photocatalyst system for the water splitting reactions will be discussed. These nanohybirds can become generalized systems for studying and discovering a range of nano-optic phenomenon, and serve as background for the development of several important applications such as improved solar energy harvesting systems.
Audience Take away:
• Explain how the audience will be able to use what they learn?
The audience can learn on the synthesis of different anisotropic plasmonic metal nanoparticles and semiconductors (Cdse-Cds nanorods and QDs). They will learn how to integrate different semiconductors with anisotropic plasmonic metal nanoparticles for the development of novel photocatalyst systems for the improved Solar-fuel conversion systems. They can learn the usage of plasmons for tuning the optical properties of the Semiconductors for the improved Multiexciton emission.
• How will this help the audience in their job? Is this research that other faculty could use to expand their research or teaching?
The audience and other researchers can use this design strategy for the development of improved Solar-Fuel conversion systems and devices. The researchers can use these nanohybrids or other complex anisotropic plasmonic metal-semiconductors systems for studying and discovering a range of nano-optic phenomenon and other possible applications.
• Does this provide a practical solution to a problem that could simplify or make a designer’s job more efficient? Will it improve the accuracy of a design, or provide new information to assist in a design problem? List all other benefits.
The solar-driven photocatalytic splitting of water into hydrogen and oxygen is a potential source of clean and renewable fuels. Multi-excitons can be harvested as a source of the photoinduced charge carriers which can be used to hinder the back reactions that are commonly observed in redox reactions that require the injection of multiple photo-induced charge carriers for improved overall efficiency process. Plasmonic nanostructures are known to enhance by orders of magnitude various light-matter interactions. Here, I propose to employ such plasmon-enhanced optical phenomena for superior multi-carrier generation in semiconductor nanocrystal-based solar energy harvesting systems.