Recommended
Recommended
More Related Content
What's hot
What's hot (20)
Similar to Perovskite solar cells the birth of new era in photovoltaics.
Similar to Perovskite solar cells the birth of new era in photovoltaics. (20)
Recently uploaded
Recently uploaded (20)
Perovskite solar cells the birth of new era in photovoltaics.
- 1. Perovskite Solar Cell Name: Krishna Kumar Patel Roll No: 196507 Date: 19 Sep 2019
- 2. Perovskite solar cells Contents What is perovskite? Molecular structure Properties Fabrication Challenges Solar parks in India
- 3. CaTiO3 Cubic structure with general formulae of ABX3 Examples: PbTiO3, BiFeO3, CaSiO3, CH3NH3PbI3
- 4. A unit cell of CH3NH3PbI3
- 5. Properties of perovskite • Photovoltaic (solar cells) • Superconductivity • Piezoelectricity • Dielectricity • Semiconductivity
- 6. Why perovskite as a solar cell absorber? • Fabrication cost • High open circuit voltage • High carrier diffusion length • High optical absorption coefficient • Comparable efficiency to Si based solar cells • Low temperature solution based fabrication method
- 8. Fabrication • Solution processing method a. One step spin coating b. Two step spin coating • Vapor deposition
- 10. SEM top view images of PbI2 films (a) without solvent treatment, (b) with isopropanol treatment, (c) with chlorobenzene treatment, (d) with ethanol treatment, and corresponding CH3NH3PbI3 films. What if we do not solvent treat PbI3?
- 12. Challenges with perovskite solar cells • Toxicity • Stability (durability) CH3NH3PbI3(s) 4PbI2(s) + CH3NH3I(aq) CH3NH3I(aq) 4CH3NH2(aq) + HI(aq) 4HI(aq)+ O2(g) 2I2(s) + 2H2O(l) 2HI(aq) 4H2(g) + I2(s)
- 13. Challenges with perovskite solar cells... DMF is not compatible with high volume manufacturing.
- 14. Challenges with perovskite solar cells... DMF is not compatible with high volume manufacturing.
- 15. Challenges with perovskite solar cells... DMF is not compatible with high volume manufacturing.
- 16. Groove at the grain boundary hinders charge conduction.
- 17. A Grain
- 20. What is next? • Increasing efficiency By understanding their material properties and optimal cell Designs • Increasing air and temperature stability • Replacing toxic Pb with a greener element
- 21. Solar parks in India Santanpur, Charanka Solar Park, Gujarat (1637 MW) Kamuthi Solar Power Project, Tamil Nadu (648MW)
- 22. Solar park Location Capacity (MW) Dhirubhai Ambani Solar Park Pokhran, Rajsthan 40 Rewa Ultra Mega Solar Rewa district, Madhya Pradesh 750 Bhadla Solar Park Bhadla, Jodhpur district, Rajasthan 1515 Pavagada Solar Park Pavagada, Tumkur district, Karnataka 1400 Dichpally Solar farm Dichpally, Nizamabad district , Telangana 143 India's solar installed capacity reached 30.071 GW as of 31 July 2019. Telangana ranks second (3400 MW) when it comes to solar energy generation capacity in India, Karnataka being the largest solar power producing state (5328 MW).
- 23. References • Snaith, H.J., 2012. The perils of solar cell efficiency measurements. Nature Photonics, 6(6), p.337. • Niu, G., Guo, X. and Wang, L., 2015. Review of recent progress in chemical stability of perovskite solar cells. Journal of Materials Chemistry A, 3(17), pp.8970-8980. • Snaith, H.J., 2018. The path to perovskite on silicon PV. • Green, M.A. and Ho-Baillie, A., 2017. Perovskite solar cells: the birth of a new era in photovoltaics. ACS Energy Letters, 2(4), pp.822-830. • Ball, J.M., Lee, M.M., Hey, A. and Snaith, H.J., 2013. Low-temperature processed meso-superstructured to thin-film perovskite solar cells. Energy & Environmental Science, 6(6), pp.1739-1743. • Wikipedia. Perovskite solar cells, solar cells, solar parks in India. • YouTube videos on Si solar panels and perovskite solar panels.