Transcription of 平成28年度第1回NEDO『TSC Foresight』セミナー …
1 28 1 NEDO TSC Foresight 28 6 27 . b) /W CH3NH3 PbI3-xClxSpiro-OMeTADAuFTO/glassTiO2dens e layer300 nm350 nm50 nm NEDO PV Challenges pn pn n p CdTeCuInSe2 GaAs II-V III-VI I III VI I I3 PtRu pn 2009 14 FIRST CB Pb 6p I 5s electronVB Pb 6s I 5p hole Good separaton of pathwayG. Giorgi, J. Fujisawa, H. Segawa, K. YamashitaJ. Phys. Chem. Lett., 2013, 4, 4213 4216, DOI: ambipolar character (n and p type conductor)CB VB At DFT+SOCme*= *= m0CB,VB s p Jsc 27 mA/cm2 Voc Jsc 36m A/cm2 Voc 32 2014 5 Science News & Analysis M.
2 On 200 /m2 ~ m2 100 200 m2 1000 m2 01 m2 500 1000 m2 TCO 1500 m2 1000 1500 m2 Al ) 500 m2 500 m2 2100 3200 m2 20 m2 10500 16000 Stanford 5 II I A. G. B. C. D. E. F. FFVocJsc TiO2 TiO2 TCO in situ 110 100 mm (9 ) cm2 9 cm2 G (1) (2) (3) ( ) mesoscopic perovskite solar cell planar perovskite solar cell inverted perovskite solar cell (TiO2, ZnO, SnO2) (Al2O3, ZrO2, SiO2)
3 MAPbI3-DMFPbI2+ MAIS tirred at 70 oC for 3 min Clear Solution Suspension-Highly purified perovskite precursor-Highly soluble in Solvents-Ready-to-use crystalline solids for one-step solution methodto give high PCEs Difference in saturated concentrationMAPbI3-DMF: M (DMF) > M(DMSO)PbI2+ MAI: M (DMF) > M(DMSO) MAPbI3-DMF one step deposition under dry condition (Annealing 120 C, 45 min in air)Solvent evaporation - overnight in the desiccatorPlanar Heterojunction Perovskite Solar CellsAu coang Perovskite coang HTM coang Spray pyrolysis Spin coang Evaporaon Normal condion Dry condion (20 oC, )/ Normal condion (20 oC, 30 40%RH) Normal condion Blocking layer 1.
4 Compact layer (TiAcAc 4000C-45 min)2. Perovskite layer (CH3NH3I+ PbCl2) 2000 RTM 30s3. Spiro-OMeTAD layer3000 RTM 30s4. Au electrodeL. Cojocaru, S. Uchida, T. Miyasaka, H. Segawa, et expansionThermal expansionUnstablelayerTemperature Effects on the Photovoltaic Performance of Planar Structure Perovskite Solar CellsLudmila COJOCARU, Satoshi UCHIDA, Yoshitaka SANEHIRA, Victoria GONZALEZ-PEDRO, Juan BISQUERT, Jotaro NAKAZAKI, Takaya KUBO, Hiroshi SEGAWAC hemistry Letters, 1557 (2015). DOI: huge hystereses may comes from the poor contact between PSC and TiO2surface and affected by temperatureOrigin of the Hysteresis in I-V Curves for Planar Structure Perovskite Solar Cells Rationalized with a Surface Boundary Induced Capacitance ModelLudmila COJOCARU, Satoshi UCHIDA, Piyankarage V.
5 V. JAYAWEERA, Shoji KANEKO, Jotaro NAKAZAKI, Takaya KUBO, Hiroshi SEGAWAC hemistry Letters, 1750 (2015). DOI: W. Chen, L. Han et al., Science, 350, 944 (2015) (Nb)OxNiMgLiO(C)Nb5+act as donor defects in the TiOx radiis of Ni2+ ( ), Mg2+ ( ), Li+ ( ), are comparable. Therefore, high Li+ doping tolerance for the NixMg1-xO ternary + act as acceptor defects in the NiMgOlattice. Perovskiteor N719 VOC/V DSSC class of among non-silicon photovoltaicsSpectral Splitting Photovoltaics using Perovskite and Wideband DSSCT. Kinoshita, H. Segawa et Communications2015, 6, : IEA PVPS TRENDS 2015 CH3NH3 PbI3-xClxSpiro-OMeTADAuFTO/glassTiO2dens e layer300 nm350 nm50 nm 25 / Wh 28 1 NEDO TSC Foresight 28 6 27
