Unit 1: Atomic Structure and Chemical Bonding (6 hours)
Fundamental particles of atom – their mass, charge and location – atomic number and mass number – Schrondinger equation. Significance of ψ and ψ2 – orbital concept – quantum numbers - electronic configuration. Periodic properties. Formation of cation and anion by electronic concept of oxidation and reduction – theories on bonding- octet, Sidwick and Powell, VSEPR and VBT-MOT. Formation of electrovalent, covalent and coordination compounds. Chemistry of weak interactions – van der Waals force and hydrogen bonding.
Unit II: Electrochemical energy system (8 hours)
Faradays laws, origin of potential, electrochemical series, reference electrodes, Nernst equation, introduction to batteries – classification – primary, secondary and reserve (thermal) batteries. Characteristics – cell potential, current, capacity and storage density, energy efficiency. Construction, working and application of Leclanche cell-Duracell, Li-MnO2 cell, lead acid batteries. Ni-Cd battery, Lithium ion batteries. Fuel cell - construction and working of PEMFC.
Unit III: Photochemistry and solar energy (8 hours)
Electromagnetic radiation. Photochemical and thermal reactions. Laws of photochemistry, quantum yield, high and low quantum yield reactions. Jablonski diagram - photophysical and photochemical processes, photosensitization, photo- polymerization and commercial application of photochemistry.
Solar energy - introduction, utilization and conversion, photovoltaic cells – design, construction and working, panels and arrays. Advantages and disadvantages of PV cells. DSSC (elementary treatment).
Unit IV: Solid state Chemistry (8 hours)
Crystalline and amorphous solids, isotropy and anisotropy, elements of symmetry in crystal systems indices - Miller indices, space lattice and unit cell, Bravais lattices, the seven crystal systems and their Bravais lattices, X-ray diffraction - Bragg’s equation and experimental methods (powder method and rotating crystal technique), types of crystals - molecular, covalent, metallic and ionic crystals - close packing of spheres – hexagonal, cubic and body centered cubic packing, defects in crystals – stoichiometric, non-stoichiometric, extrinsic and intrinsic defects.
UNIT V: Polymer and composite Materials (8 hours)
Conducting polymers : Conducting mechanisms - Electron transport and bipolar polymers. Photoconductive polymers : Charge carriers, charge injectors, charge transport, charge trapping. Polymers for optical data storage - principles of optical storage, polymers in recording layer. Thermosensitive polymers : Applications - Mechanical actuators and switches. Photo resists - Types - Chemically amplified photoresists -Applications. Magnetic polymers - structure and Applications. Liquid crystalline polymers : Fundamentals and process, liquid crystalline displays – applications. Organic LEDs-their functioning-advantages and disadvantages over conventional LEDs - their commercial uses. Piezo electric materials.
(Note - 36 Hours contact theory and 9 hours for tutorials – total 45 hours)