Dssc, Tent lightning, IDM7
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The document details a project on creating dye-sensitized solar cells (DSSCs) using natural pigments, specifically basil, to power lighting tents in the desert. It outlines several activities including investigating photosynthesis, separating leaf pigments, measuring solar cell performance, and constructing a DSSC, highlighting the potential of plant-based materials as an eco-friendly alternative to silicon. The project concludes with positive results and recommendations for further experimentation and application of the technology in real life.
Dssc, Tent lightning, IDM7
- 1. AL-Bairaq I am discovering materials Dye-sensitized solar cell Lighting tents in the desert using DSSC Arwa Sec. School Arwa_black Manar Alkuwari Noora Almana Najla Abdulla Alankaa Abdulaziz
- 2. Outline Introduction Activity 1:Investigating photosynthesis of plant disks . Activity 2:Separating leaf pigment using paper chromatography . Activity 3: Measuring a solar cells . Activity 4: Making a Dye- sensitized solar Design Project Product Idea
- 3. Photosynthesis process by plant where carbon dioxide reacts with water during presence of sunlight to produce oxygen and glucose
- 4. Activity 1 : investigating photosynthesis of plant disks . - Watching for oxygen production - Measure the time of the rise of each disk to investigate various factors that affect the rate of photosynthesis .
- 5. steps Cut 30 leaf disks Infiltrate the disks with the sodium bicarbonate push the syringe small amount and pull it 30 times Disks rising under light 1 2 3 4
- 7. Conclusion: disks have a different number of rising in a different time , under different color of light , in the white light the disks raised fast in short time .
- 8. Activity 2: Separating leaf pigment using paper chromatography. - Paper chromatography carrying dissolved substances - The dissolved substances are plant pigments - The pigments are carried at different rates
- 9. Name of the pigment Actual ranking of distance traveled Predicted ranking of distance traveled Distance traveled (cm) Pigment color Carotene119.3orange Xanthophy lls 228.1Yellow Chlorophyl ls (a) 345.5Bright green Chlorophyl ls (b) 433.5Yellow green Conclusion: the leaf contain a lot of pigments , the Dyes plant have a different levels of separation -or disintegration- , the separation depends on the strength and weakness of Association (Bolarte bond) between dye molecules Result
- 10. Activity 3 : measuring a solar cell Part A: - Measure the internal resistance of the commercial silicon solar cells . Part B: - Try to power several different light bulbs with a solar cell . - In order to find the optimum condition for maximum power output .
- 11. Results (part A) 1.63 voltv 100 mAI (R=V/I) 16.3 ohm R Conclusion: The internal resistance of the silicon solar cells , R = 16.3 .
- 12. Half of the cell Hole cellMeasure 0.8151.63V Comparing between the hole resistance of the silicon solar cell and the half resistance of the silicon solar cell .
- 13. Results (part B) Actual Predicte d PowerRIVCode 310.7418.230.32.4714 220.562590.252.25222 130.13130.11.3131 Conclusion: found the maximum brightness from 131 bulb .
- 14. Activity 4: making a Dye-sensitized solar cell - Build a solar cell by using a common chemicals and food-based dyes . - Observe how solar cells covert daily light to output current . TiO2
- 15. Part A 1 We shake the titanium dioxide 2 We cover the slide with nano titanium dioxide 3 We put the slide in the hot plane
- 16. Part B 4 We dip the slid in the pigment We let the slide to dry we burne d anoth er slide we connect the slide with the AVO meter and put it under the light to see the results Conclusion: Prove the effectiveness of plant dyes instead of silicone , know how the cells converted solar energy into electric . V = 0.19 volt
- 17. Product our product is about replacing the silicon in the solar cells to pigment of plants because the pigments are common and can found it easily also they are environment friend on the other hand the silicon it expensive and it effect the environment .We use basil pigment in our product
- 18. Product idea Lighting tents in the desert using Dye- sensitized solar cell with basil pigment .
- 19. We cover the slides with nano titanium dioxide We put the slides in the hot plane We add ethanol to the basil then grind it to make it pigment and use it .
- 20. We dip the slides in the pigment We let the slides to dry we burned another slides we connect the slides with the AVO meter and put it under the light to see the results
- 21. Hypothesis we suppose from our project So many things such as 1-Basil will work as a good material. 2-We can replace the materials with natural thing and take advantage of them. 3-We will use the available plants properly. 4-A plant can be a source of energy, not only in the process of photosynthesis.
- 22. Results 4 DSSC1 DSSCMeasure 0.2 x 4 = 0.8 volt 0.2 voltV 0.6 mA0.6 mAI 1.3 ohm0.3 ohmR 0.48 watt0.12 wattPower Conclusion : (V = 0.8 * 4 = 3.2 ) >> 8 DSSC with basil pigment is enough to light one bulb .
- 23. Recommendations - We wish we could try more then 4 slide . - We wish we could try the Dye-sensitized solar cell out side the lap . - We wish we could see applications of solar cell .
- 24. Conclusion In the end we have enjoyed and benefited from the project AL- Bairaq especially the information we learned about the plant and how to take advantage of it as we have learned more about the solar cells, and we hope that we can apply in our project in our real life and see our project results.
- 25. Acknowledgment We are grateful for all people who helped us : Al-Bairaq team Eng.Doaa , Eng.Marwa and our school . Also, I would like to thank the sponsors UNESCO, Ras Gas, Shell and Qatar Petroleum.