Australian Centre for Advanced Photovoltaics “Emergence of Perovskite Solar Cells” Martin A. Green University of New South Wales (UNSW) Sydney, Australia UNSW Photovoltaics - Electricity from Sunlight
Science and Nature agree: Big solar news of 2013! UNSW Photovoltaics - Electricity from Sunlight
School of Photovoltaic and Renewable Energy Engineering UNSW Photovoltaics - Electricity from Sunlight
Nature photonics review (July 2014) UNSW Photovoltaics - Electricity from Sunlight
Nature photonics review (July 2014) UNSW Photovoltaics - Electricity from Sunlight
Nature photonics review (July 2014) UNSW Photovoltaics - Electricity from Sunlight
Nature photonics review (July 2014) % CIGS 20 CdTe 15 Perovskite (solid) 10 Perovskite (liquid) 5 0 Jan-06 Jan-07 Jan-08 Jan-09 Jan-10 Jan-11 Jan-12 Jan-13 Jan-14 UNSW Photovoltaics - Electricity from Sunlight
Perovskite CH 3 NH 3 PbI 3 CH 3 NH 3 Pb I UNSW Photovoltaics - Electricity from Sunlight
Perovskite CH 3 NH 3 PbI 3 CH 3 NH 3 Pb I UNSW Photovoltaics - Electricity from Sunlight
Perovskite CH 3 NH 3 PbI 3 CH 3 NH 3 Pb I UNSW Photovoltaics - Electricity from Sunlight
Perovskite CH 3 NH 3 Pb I UNSW Photovoltaics - Electricity from Sunlight
History David Mitzi then at IBM From 1995 ~ 2002, investigated use in LEDs and FETs Pb toxicity issue for PV as well as stability – even worse for Sn compounds UNSW Photovoltaics - Electricity from Sunlight
Perovskite Evolution Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Perovskite Evolution Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Liquids Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Evaporation Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Vapour phase Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Device structure UNSW Photovoltaics - Electricity from Sunlight
Device structure UNSW Photovoltaics - Electricity from Sunlight
Operating principles HS Kim, SH Im, and N-G Park J. Phys. Chem. C, DOI: 10.1021/jp409025w UNSW Photovoltaics - Electricity from Sunlight
Operating principles UNSW Photovoltaics - Electricity from Sunlight
Operating principles UNSW Photovoltaics - Electricity from Sunlight
Operating principles UNSW Photovoltaics - Electricity from Sunlight
High Voc – low recombination MA Green at al., Prog. in Photovoltaics 21, 827, 2013 UNSW Photovoltaics - Electricity from Sunlight
High Voc – low recombination MA Green at al., Prog. in Photovoltaics 21, 827, 2013 UNSW Photovoltaics - Electricity from Sunlight
High Voc – low recombination MA Green at al., Prog. in Photovoltaics 21, 827, 2013 1.8eV 1.6eV 1.45eV UNSW Photovoltaics - Electricity from Sunlight
High Voc – low recombination MA Green at al., Prog. in Photovoltaics 21, 827, 2013 1.8eV 1.6eV 1.45eV UNSW Photovoltaics - Electricity from Sunlight
Strong absorption UNSW Photovoltaics - Electricity from Sunlight
Strong absorption UNSW Photovoltaics - Electricity from Sunlight
Strong absorption UNSW Photovoltaics - Electricity from Sunlight
Ferroelectric? UNSW Photovoltaics - Electricity from Sunlight
Ferroelectric? UNSW Photovoltaics - Electricity from Sunlight
Ferroelectric? UNSW Photovoltaics - Electricity from Sunlight
Ferroelectric? UNSW Photovoltaics - Electricity from Sunlight
Ferroelectric? UNSW Photovoltaics - Electricity from Sunlight
Mixed compounds UNSW Photovoltaics - Electricity from Sunlight
Mixed compounds UNSW Photovoltaics - Electricity from Sunlight
Mixed compounds UNSW Photovoltaics - Electricity from Sunlight
Stability UNSW Photovoltaics - Electricity from Sunlight
Manufacturing costs UNSW Photovoltaics - Electricity from Sunlight
Manufacturing costs Blocks, wafers, efficiency UNSW Photovoltaics - Electricity from Sunlight
Manufacturing costs UNSW Photovoltaics - Electricity from Sunlight
Manufacturing costs 11% 13.4% UNSW Photovoltaics - Electricity from Sunlight
Manufacturing costs 11% 13.4% UNSW Photovoltaics - Electricity from Sunlight
Manufacturing costs 11% 13.4% 26% UNSW Photovoltaics - Electricity from Sunlight
Manufacturing costs 11% 13.4% 26% 2xSi% UNSW Photovoltaics - Electricity from Sunlight
Si wafer-based stack: ultimate solution? more sophisticated “active” AR coat? UNSW Photovoltaics - Electricity from Sunlight
c-Si tandem Free choice or Si UNSW Photovoltaics - Electricity from Sunlight
c-Si tandem 25% UNSW Free choice or Si UNSW Photovoltaics - Electricity from Sunlight
c-Si tandem 41%? 25% UNSW Free choice or Si UNSW Photovoltaics - Electricity from Sunlight
Perovskite on Si? perovskite cell UNSW Photovoltaics - Electricity from Sunlight
Perovskite on Si? perovskite 100 25% 29.5% 90 cell 80 70 EQE (%) 60 Perovskite Top Cell on Si PERL 50 Si PERL Bottom Cell 40 Perovskite Top Cell on Si SP 30 Si SP Bottom Cell 20 10 0 300 400 500 600 700 800 900 1000 1100 1200 17.9% perovskite UNSW Wavelength (nm) Photovoltaics - Electricity from Sunlight
Perovskite on Si? perovskite 100 25% 29.5% 90 cell 80 ~ Perovskite% + Si%/2 70 EQE (%) 60 Perovskite Top Cell on Si PERL 50 Si PERL Bottom Cell 40 Perovskite Top Cell on Si SP 30 Si SP Bottom Cell 20 10 0 300 400 500 600 700 800 900 1000 1100 1200 17.9% perovskite UNSW Wavelength (nm) Photovoltaics - Electricity from Sunlight
Perovskite on Si? perovskite 100 25% 29.5% 90 cell 80 16.5% 25% 70 EQE (%) 60 Perovskite Top Cell on Si PERL 50 Si PERL Bottom Cell 40 Perovskite Top Cell on Si SP 30 Si SP Bottom Cell 20 10 0 300 400 500 600 700 800 900 1000 1100 1200 17.9% perovskite UNSW Wavelength (nm) Photovoltaics - Electricity from Sunlight
Summary . Exciting time for perovskites Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Summary . Exciting time for perovskites . Competitive advantages?: Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Summary . Exciting time for perovskites . Competitive advantages?: . Low cost fabrication? Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Summary . Exciting time for perovskites . Competitive advantages?: . Low cost fabrication? . Transparent and/or flexible product? Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Summary . Exciting time for perovskites . Competitive advantages?: . Low cost fabrication? . Transparent and/or flexible product? . Ability to form tandems? Snaith, H.J. Phys. Chem. Lett. 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
Summary . Exciting time for perovskites . Competitive advantages?: . Low cost fabrication? . Transparent and/or flexible product? . Ability to form tandems? Snaith, H.J. Phys. Chem. Lett. . Moisture sensitivity and toxicity of Pb 2013, 4, 3623 UNSW Photovoltaics - Electricity from Sunlight
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