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AKTU Applied Chemistry for Smart Systems Lab (AAS152D / AAS252D) Syllabus PDF – B.Tech 1st Year
Applied Chemistry for Smart Systems Lab AAS152D / AAS252D
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Official AKTU syllabus of Applied Chemistry for Smart Systems Lab (AAS152D / AAS252D) for B.Tech 1st Year – 1 credits, L-T-P 0-0-2. Read the unit-wise course content, course outcomes, evaluation pattern and recommended books online, or download the PDF.
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Syllabus — Applied Chemistry for Smart Systems Lab
Download PDFAAS152D / AAS252D · 1 credits · L-T-P 0-0-2
Course Objectives
- To study the chemical and electrical properties of computing hardware materials
- To characterise electrochemical energy storage and power supply systems for smart devices
- To study chemical sensors and electrochemical detection methods used in smart systems
- To synthesise and characterise nanomaterials and functional coatings for smart applications
- To apply green chemistry principles and evaluate e-waste relevant materials
List of Experiments
| Exp. | Theory | Title | Description / Objective Unit |
| 1 | Unit I | Electrical Conductivity of Soldering Alloys | Measure electrical resistivity of different soldering alloys (Sn-Pb, Sn-Ag-Cu, lead-free) using four-probe method; compare and relate to PCB soldering material selection for RoHS compliance |
| 2 | Unit I | Band Gap of Semiconductor Material | Determine band gap of Ge/Si by temperature-dependent resistance measurement; plot ln(R) vs 1/T; relate to transistor and memory device material requirements |
| 3 | Unit II | Charge-Discharge Characteristics of Li-ion Battery | Study charge and discharge curves of a small Li-ion cell; determine capacity (mAh), C-rate, and cycle efficiency; relate to battery chemistry in laptops, phones, and IoT devices |
| 4 | Unit II | Supercapacitor – Capacitance and Energy Density | Charge and discharge a supercapacitor at different current rates; calculate capacitance and energy density; compare with battery; relate to energy harvesting in IoT nodes |
| 5 | Unit III | Electrochemical Detection – pH Sensor Calibration | Calibrate a glass pH electrode using standard buffer solutions (pH 4, 7, 10); plot mV vs pH; calculate sensitivity; relate to electrochemical pH sensors in smart systems |
| 6 | Unit III | Gas Sensor Response – Metal Oxide (Demonstration) | Observe resistance change of a metal oxide gas sensor (MQ-series) on exposure to different gases (LPG, alcohol vapour); measure response time and recovery; relate to IoT gas sensing |
| 7 | Unit IV | Synthesis and Characterisation of Silver Nanoparticles | Synthesise silver nanoparticles by chemical reduction; confirm by UV-Vis spectroscopy; study antimicrobial coating application; relate to nanoparticle-based functional coatings in electronics |
| 8 | Unit IV | Contact Angle and Surface Wettability | Measure contact angle of water on uncoated and hydrophobic-coated surfaces (PDMS, Teflon spray); relate to self-cleaning and anti-fouling coatings in smart device displays and sensors |
| 9 | Unit IV | Thin Film Preparation by Spin Coating | Prepare thin polymer film on glass by spin coating; measure thickness by Newton's rings or profilometer; relate to thin film deposition in display and sensor fabrication |
| 10 | Unit V | Green Chemistry – Atom Economy Calculation | Atom economy calculation for green chemical processes. |
| 11 | Unit V | Recovery of Copper from PCB Scrap (E-waste) | Leach copper from a small piece of PCB waste using H SO /H O ; electrodeposit 2 4 2 2 recovered copper on a cathode; determine recovery percentage; relate to e-waste hydrometallurgy |
| 12 | Unit III | UV-Vis Spectroscopy – Beer-Lambert Law | Measure absorbance of copper sulphate solution at different concentrations at λmax; plot calibration curve; determine unknown concentration relate to optical chemical sensors in smart devices |
Equipment / Chemicals Required
- Four-probe resistivity measurement setup
- Temperature-controlled resistance measurement setup
- Li-ion cell charge-discharge test setup with data logger
- Supercapacitor, DC power supply, data logger
- pH meter with glass electrode and standard buffers
- MQ-series gas sensor module with Arduino/multimeter (demo)
- UV-Vis spectrophotometer
- Spin coater, Newton's rings setup
- Contact angle goniometer (sessile drop)
- Electrodeposition setup (DC supply, copper electrodes, H2SO4/CuSO4)
Teaching-Learning Methodology
Each laboratory session begins with a 10-minute pre-lab discussion connecting the experiment to the corresponding theory unit. Students record aim, principle, apparatus, chemicals, procedure, observation table, calculations, result, and inference in the laboratory record book. Post-lab discussion relates experimental findings to real-world engineering applications in the respective stream. Students maintain a laboratory record book assessed for viva, record, and day-to-day performance.
Course Outcomes
| COs | Course Outcome Statement | KL |
|---|---|---|
| CO1 | Measure resistivity of solder alloys and determine semiconductor band gap for device material selection | K3 |
| CO2 | Characterise Li-ion battery and supercapacitor performance for smart device power systems | K3 |
| CO3 | Calibrate pH sensors and demonstrate gas sensor response for IoT chemical sensing | K3 |
| CO4 | Synthesise nanoparticles and measure wettability and thin film properties for smart coatings | K3 |
| CO5 | Apply green chemistry metrics and demonstrate copper recovery from e-waste | K3 |
Evaluation Pattern
| Sr. | Component | Marks | Weightage |
| 1. | Day-to-day performance (Observation, Procedure, Conduct) | 20 | 20% |
| 2. | Laboratory Record / File | 30 | 30% |
| 3. | End Semester Practical Examination (Experiment + Viva Voce) | 50 | 50% |
Text Books
- Engineering Chemistry – Jain and Jain
- Green Chemistry: Theory and Practice – Anastas and Warner
- Nanomaterials: An Introduction to Synthesis, Properties and Applications – Vollath Safety and General Instructions
- Students must wear lab coat and safety goggles at all times in the chemistry laboratory
- Handle all acids, alkalis, and oxidising agents with extreme care; use fume hood for volatile chemicals
- Dispose of chemical waste in designated containers as per lab safety guidelines
- Do not pipette by mouth; use rubber bulb or mechanical pipette fillers
- Wash hands thoroughly after every experiment; report any spillage or accident immediately
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