Course

Unit I

Introduction to Nanolab and standard solution preparation,Synthesis of plasmonic silvernanoparticlesstudy its color change with varying size & shape of nanoparticles using UV -Vis absorption spectroscopy

Unit II

Preparation of metal oxide ZnO nanoparticles (Non-Aqueous route) and observe its luminescence under UV lamp, UV-VIS absorption properties of ZnO nanoparticles and estimation of particle size using Brus equation

Unit III

Synthesis of Mn doped ZnS nanoparticles in aqueous route and study the fluorescence properties of nanoparticles using spectrofluorometer

Unit IV

Nanoparticle imaging for size and shape analysis using Atomic Force Microscope (AFM) and Scanning Electron Microscope (SEM) characterizing nanoparticles

Pre-requisites: Basic understanding of experimental research

Total number of lab sessions: 15

Course Outcomes:

• Understand the preparation of standard solutions in different concentration units: Molarity, Molality and Normality
• Understand the synthesis of metal nanoparticles.
• Learn synthesis of plasmonic silver nanoparticles and observe its color change with varying size & shape of nanoparticles.
• Understand the principle and working of UV -Vis absorption spectroscopy technique and relation of absorption peak of silver nanoparticles with size and shape changes.
• Understand the synthesis of nanoparticles in non-aqueous route and observe its luminescence under UV lamp to understand quantum confinement effect.
• Understand the synthesis of nanoparticles in aqueous route and study the fluorescence properties of nanoparticles using spectrofluorometer
• Understand the UV-VIS absorption properties of nanoparticles and estimation of particle size using Brus equation
• Understand the principles of Atomic Force Microscope (AFM) and hands on experience in use of AFM in nanoparticle size characterization
• Understand the principles of Scanning Electron Microscope (SEM) and its use in characterizing nanoparticles

References:

• A Handbook of Laboratory Solutions, M H Gabb, Scientific Publishers, 2013
• Nanostructures & Nanomaterials: Synthesis, Properties & Applications; Guozhong Cao, Imperial College Press