Publications

  1. Dynamic Optical Properties of CH3NH3PbI3 Single Crystals as Revealed by One- and Two-photon Excited Photoluminescence Measurements
    Y. Yamada, T. Yamada, L. Q. Phuong, N. Maruyama, H. Nishimura, A. Wakamiya, Y. Murata, and Y. Kanemitsu
    J. Am. Chem. Soc. 137, 10456–10459 (2015).
    (DOI: 10.1021/jacs.5b04503)
  2. Fast Free-Carrier Diffusion in CH3NH3PbBr3 Single Crystals Revealed by Time-Resolved One- and Two-Photon Excitation Photoluminescence Spectroscopy
    T. Yamada, Y. Yamada, H. Nishimura, Y. Nakaike, A. Wakamiya, Y. Murata and Y. Kanemitsu
    Adv. Electron. Mater. 2, 1500290 (5 pages) (2016).
    (DOI: 10.1002/aelm.201500290)
  3. Interfacial Charge-Carrier Trapping in CH3NH3PbI3-Based Heterolayered Structures Revealed by Time-Resolved Photoluminescence Spectroscopy
    Y. Yamada, T. Yamada, A. Shimazaki, A. Wakamiya, and Y. Kanemitsu
    J. Phys. Chem. Lett. 7, 1972–1977 (2016).
    (DOI: 10.1021/acs.jpclett.6b00653)
  4. Photon Emission and Reabsorption Processes in CH3NH3PbBr3 Single Crystals Revealed by Time-Resolved Two-Photon-Excitation Photoluminescence Microscopy
    T. Yamada, Y. Yamada, Y. Nakaike, A. Wakamiya, and Y. Kanemitsu
    Phys. Rev. Applied 7, 014001 (8 pages) (2017).
    (DOI: 10.1103/PhysRevApplied.7.014001)
  5. Photocarrier Recombination and Injection Dynamics in Long-Term Stable Lead-Free CH3NH3SnI3 Perovskite Thin Films and Solar Cells
    T. Handa, T. Yamada, H. Kubota, S. Ise, Y. Miyamoto, and Y. Kanemitsu
    J. Phys. Chem. C 121, 16158–16165 (2017).
    (DOI: 10.1021/acs.jpcc.7b06199)
  6. Free Carrier Radiative Recombination and Photon Recycling in Lead Halide Perovskite Solar Cell Materials
    Y. Yamada, T. Yamada, and Y. Kanemitsu
    Bull. Chem. Soc. Jpn. 90, 1129–1140 (2017).
    (DOI: 10.1246/bcsj.20170208)
  7. Near-Band-Edge Optical Responses of CH3NH3PbCl3 Single Crystals: Photon Recycling of Excitonic Luminescence
    T. Yamada, T. Aharen, and Y. Kanemitsu
    Phys. Rev. Lett. 120, 057404 (6 pages) (2018).
    (DOI: 10.1103/PhysRevLett.120.057404)
  8. Up-converted photoluminescence from CH3NH3PbI3 perovskite semiconductors: Implications for laser cooling
    T. Yamada, T. Aharen, and Y. Kanemitsu
    Phys. Rev. Materials 3, 024601 (9 pages) (2019).
    (DOI: 10.1103/PhysRevMaterials.3.024601)
  9. Excitonic enhancement of optical nonlinearities in perovskite CH3NH3PbCl3 single crystals
    K. Ohara, T. Yamada, H. Tahara, T. Aharen, H. Hirori, H. Suzuura, and Y. Kanemitsu
    Phys. Rev. Materials 3, 111601(R) (6 pages) (2019).
    (DOI: 10.1103/PhysRevMaterials.3.111601)
  10. Upconverted excitonic photoluminescence from a two-dimensional lead-halide perovskite
    T. Yamada, T. Aharen, and Y. Kanemitsu
    J. Chem. Phys. 151, 234709 (6 pages) (2019).
    (DOI: 10.1063/1.5129779)
  11. Photon recycling in perovskite CH3NH3PbX3 (X = I, Br, Cl) bulk single crystals and polycrystalline films
    T. Yamada, Y. Yamada, and Y. Kanemitsu
    J. Lumin. 220, 116987 (6 pages) (2020).
    (DOI: 10.1016/j.jlumin.2019.116987)
  12. Effect of A-site cation on photoluminescence spectra of single lead bromide perovskite nanocrystals
    S. Masada, T. Yamada, H. Tahara, H. Hirori, M. Saruyama, T. Kawawaki, R. Sato, T. Teranishi, and Y. Kanemitsu
    Nano Lett. 20, 4022-4028 (2020).
    (DOI: 10.1021/acs.nanolett.0c01417)
  13. Optical responses of lead halide perovskite semiconductors
    Y. Kanemitsu, T. Yamada, T. Handa, and M. Nagai
    Semicond. Sci. Technol. 35, 093001 (2020).
    (DOI: 10.1088/1361-6641/ab95b1)
  14. Phonon, thermal, and thermo-optical properties of halide perovskites
    T. Handa, T. Yamada, M. Nagai, and Y. Kanemitsu
    Phys. Chem. Chem. Phys. 22, 26069-26087 (2020).
    (DOI: 10.1039/D0CP04426A)
  15. Highly Luminescent CsPbBr3@Cs4PbBr6 Nanocrystals and Their Application in Electroluminescent Emitters
    Z. Bao, H.-D. Chiu, W. Wang, Q. Su, T. Yamada, Y.-C. Chang, S. Chen, Y. Kanemitsu, R.-J. Chung, and R.-S. Liu
    J. Phys. Chem. Lett. 11, 10196-10202 (2020).
    (DOI: 10.1021/acs.jpclett.0c03142)
  16. Impact of spin-orbit splitting on two-photon absorption spectra in a halide perovskite single crystal
    K. Ohara, T. Yamada, T. Aharen, H. Tahara, H. Hirori, H. Suzuura, and Y. Kanemitsu
    Phys. Rev. B 103, L041201 (2021).
    (DOI: 10.1103/PhysRevB.103.L041201)
  17. Light emission from halide perovskite semiconductors: bulk crystals, thin films, and nanocrystals
    T. Yamada, T. Handa, Y. Yamada, and Y. Kanemitsu
    J. Phys. D: Appl. Phys. 54, 383001 (2021).
    (DOI: 10.1088/1361-6463/ac0e58)
  18. Luminescence Fine Structures in Single Lead Halide Perovskite Nanocrystals: Size Dependence of the Exciton–Phonon Coupling
    K. Cho, T. Yamada, T. Tahara, T. Tadano, H. Suzuura, M. Saruyama, R. Sato, T. Teranishi, and Y. Kanemitsu
    Nano Lett. 21, 7206−7212 (2021).
    (DOI: 10.1021/acs.nanolett.1c02122)
  19. Mixed lead–tin perovskite films with >7 μs charge carrier lifetimes realized by maltol post-treatment
    S. Hu, M. A. Truong, K. Otsuka, T. Handa, T. Yamada, R. Nishikubo, Y. Iwasaki, A. Saeki, R. Murdey, Y. Kanemitsu, and A. Wakamiya
    Chem. Sci. 12, 13513-13519 (2021).
    (DOI: 10.1039/D1SC04221A)
  20. Optimized carrier extraction at interfaces for 23.6% efficient tin–lead perovskite solar cells
    S. Hu, K. Otsuka, R. Murdey, T. Nakamura, M. A. Truong, T. Yamada, T. Handa, K. Matsuda, K. Nakano, A. Sato, K. Marumoto, K. Tajima, Y. Kanemitsu, and A Wakamiya
    Energy Environ. Sci. 15, 2096-2107 (2022).
    (DOI: 10.1039/D2EE00288D)
  21. Anti-stokes photoluminescence from CsPbBr3nanostructures embedded in a Cs4PbBr6 crystal
    Y. Kajino, S. Otake, T. Yamada, K. Kojima, T. Nakamura, A. Wakamiya, Y. Kanemitsu, and Y. Yamada
    Phys. Rev. Materials 6, L0430001 (2022).
    (DOI: 10.1103/PhysRevMaterials.6.L043001)
  22. LiNbO3-Type Polar Antiferromagnet InVO3 Synthesized under High-Pressure Conditions
    Z. Tan, J. Lussier, T. Yamada, Y. Xu, T. Saito, M. Goto, Y. Kosugi, D. Vrublevskiy, Y. Kanemitsu, M. Bieringer, and Y. Shimakawa
    Angew. Chem. Int. Ed. 61, e202203669 (2022).
    (DOI: 10.1002/anie.202203669)
  23. A convenient method for assessing steady-state carrier density and lifetime in solar cell materials using pulse excitation measurements
    T. Handa, T. Yamada, and Y. Kanemitsu
    J. Chem. Phys. 157, 084201 (2022).
    (DOI: 10.1063/5.0101926)
  24. Molecular Engineering of Enamine-Based Hole-Transporting Materials for High-Performing Perovskite Solar Cells: Influence of the Central Heteroatom
    D. Vaitukaityte, M. A. Truong, K. Rakstys, R. Murdey, T. Funasaki, T. Yamada, Y. Kanemitsu, V. Jankauskas, V. Getautis, and A. Wakamiya
    Sol. RRL 6, 2200590 (2022).
    (DOI: 10.1002/solr.202200590)
  25. Exciton–Phonon and Trion–Phonon Couplings Revealed by Photoluminescence Spectroscopy of Single CsPbBr3 Perovskite Nanocrystals
    K. Cho, T. Tahara, T. Yamada, H. Suzuura, T. Tadano, R. Sato, M. Saruyama, H. Hirori, T. Teranishi, and Y. Kanemitsu
    Nano Lett. 22, 7674−7681 (2022).
    (DOI: 10.1021/acs.nanolett.2c02970)
  26. Composition–Property Mapping in Bromide-Containing Tin Perovskite Using High-Purity Starting Materials
    T. Nakamura, K. Otsuka, S. Hu, R. Hashimoto, T. Morishita, T. Handa, T. Yamada, M. A. Truong, R. Murdey, Y. Kanemitsu, and A. Wakamiya
    ACS Appl. Energy Mater. 5, 14789-14798 (2022).
    (DOI: 10.1021/acsaem.2c02144)
  27. Synergistic Surface Modification of Tin–Lead Perovskite Solar Cells
    S. Hu, P. Zhao, K. Nakano, R. D. J. Oliver, J. Pascual, J. A. Smith, T. Yamada, M. A. Truong, R. Murdey, N. Shioya, T. Hasegawa, M. Ehara, M. B. Johnston, K. Tajima, Y. Kanemitsu, H. J. Snaith, and A. Wakamiya
    Adv. Mater. 35, 2208320 (2023).
    (DOI: 10.1002/adma.202208320)
  28. Tripodal Triazatruxene Derivative as a Face-On Oriented Hole-Collecting Monolayer for Efficient and Stable Inverted Perovskite Solar Cells
    M. A. Truong, T. Funasaki, L. Ueberricke, W. Nojo, R. Murdey, T. Yamada, S. Hu, A. Akatsuka, N. Sekiguchi, S. Hira, L. Xie, T. Nakamura, N. Shioya, D. Kan, Y. Tsuji, S. Iikubo, H. Yoshida, Y. Shimakawa, T. Hasegawa, Y. Kanemitsu, T. Suzuki, and A. Wakamiya
    J. Am. Chem. Soc. 145, 7528-7539 (2023).
    (DOI: 10.1021/jacs.3c00805)
  29. Temperature dependence of photoluminescence spectrum of single lead halide perovskite nanocrystals: Effect of size on the phase transition temperature
    K. Cho, T. Yamada, M. Saruyama, R. Sato, T. Teranishi, and Y. Kanemitsu
    J. Chem. Phys. 158, 201104 (2023).
    (DOI: 10.1063/5.0143201)
  30. Review—Photoluminescence Characterization of Halide Perovskite Materials and Solar Cells
    T. Handa, T. Yamada, and Y. Kanemitsu
    ECS J. Solid State Sci. Technol. 12, 056004 (2023).
    (DOI: 10.1149/2162-8777/acd660)
  31. Spontaneous Polarization Induced Optical Responses in a Two-Dimensional Ferroelectric Halide Perovskite
    C. Higashimura, G. Yumoto, T. Yamada, T. Nakamura, F. Harata, H. Hirori, A. Wakamiya, and Y. Kanemitsu
    J. Phys. Chem. Lett. 14, 8360-8366 (2023).
    (DOI: 10.1021/acs.jpclett.3c02238)
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