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Course Detail

Course Name Engineering Chemistry – B
Course Code 19CHY102
Program B. Tech. in Electronics and Communication Engineering, B. Tech. in Computer and Communication Engineering
Semester Two
Year Taught 2019

Syllabus

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)

Text Books

  1. Vairam and Ramesh “Engineering Chemistry”, Wiley, 2012
  2. Amrita Vishwa Vidyapeetham, Department of Sciences, “Chemistry Fundamentals for Engineers”, McGraw Hill Education, 2015.

Resources

  • ain and Jain, “Engineering Chemistry”, DhanpatRai Publishing company, 2015
  • Puri, Sharma and Patania, “ Principles of Physical chemistry”, Vishal Publishing Co., 2017.
  • Atkins, “Physical Chemistry”, OUP, Oxford, 2009

Objectives and Outcomes

Course Outcomes

The student at the end of the course will:

CO1 understand the fundamental concepts of chemistry to predict the structure, properties and bonding of engineering materials
CO2 understand the principle of electrochemistry/photochemistry and applications of various energy storage systems
CO3 able to understand the crystals structure, defects and free electron theory
CO4 be able to understand the mechanism and application of conductivity polymer is various electronic devices.

Course Articulation Matrix

PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO 11 PO 12
CO 1 3 3 2 2 2
CO 2 3 3 2 2 2
CO 3 3 3 3 3 2
CO 4 3 3 2 3 2

Program Articulation Matrix

PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO 11 PO 12
CO 1 3 3 2 2 2
CO 2 3 3 2 2 2
CO 3 3 3 3 3 2
CO 4 3 3 2 3 2

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