Faculty Profiles - SUZUKI Atsushi

Papers - SUZUKI Atsushi

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Fabrication and characterization of perovskite-type solar cells with Nb-doped TiO2 layers Reviewed

Jo Saito, Takeo Oku, Atsushi Suzuki, Tsuyoshi Akiyama

IRAGO CONFERENCE 2015: 360 DEGREE OUTLOOK ON CRITICAL SCIENTIFIC AND TECHNOLOGICAL CHALLENGES FOR A SUSTAINABLE SOCIETY 1709 020027-1 - 020027-7 2016

Language：English Publishing type：Research paper (international conference proceedings) Publisher：AMER INST PHYSICS

Organic-inorganic hybrid heterojunction solar cells containing perovskite CH3NH3PbI3 using Nb-doped TiO2 as an electron-transporting layer were fabricated and characterized. Nb-doped TiO2 layer showed an improvement of the short-circuit current density and power conversion efficiency using Ti0.95Nb0.05O2.

DOI： 10.1063/1.4941226

Web of Science

Fabrication and Characterization of a Perovskite-Type Solar Cell with a Substrate Size of 70 mm Reviewed

Takeo Oku, Taisuke Matsumoto, Atsushi Suzuki, Kohei Suzuki

COATINGS 5 ( 4 ) 646 - 655 2015.12

Language：English Publishing type：Research paper (scientific journal) Publisher：MDPI AG

A perovskite-type solar cell with a substrate size of 70 mm x 70 mm was fabricated by a simple spin-coating method using a mixed solution. The photovoltaic properties of the TiO2/CH3NH3PbI3-based photovoltaic devices were investigated by current density-voltage characteristic and incident photon to current conversion efficiency measurements. Their short-circuit current densities were almost constant over a large area. The photoconversion efficiency was influenced by the open-circuit voltage, which depended on the distance from the center of the cell.

DOI： 10.3390/coatings5040646

Web of Science

Effects of hole-transporting layers of perovskite-based solar cells Reviewed International journal

Atsushi Suzuki, Tomoyasu Kida, Tatsuru Takagi and Takeo Oku

Japanese Journal of Applied Physics 55 02BF01-1 - 02BF01-5 2015.11

Language：English Publishing type：Research paper (scientific journal) Publisher：IOP Publishing

Fabrication and characterization of the photovoltaic and optical properties, and microstructure of perovskite-based solar cells with lead phthalocyanine (PbPc), zinc phthalocyanine, poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine], and copper(I)thiocyanate as hole-transporting layers were investigated. X-ray diffraction analysis and energy-dispersive X-ray spectroscopy were used to identify surface morphologies of the crystal structure and the elemental composition. Introducing PbPc into perovskite solar cells extended the retaining period of photovoltaic activity and performance. The effects of the hole-transporting layer on incident photon-to-current efficiency were investigated. The energy diagram and photovoltaic mechanism of the perovskite solar cells with the hole-transporting layer are discussed.

Effects of hole-transporting layers of perovskite-based solar cells Reviewed

Atsushi Suzuki, Tomoyasu Kida, Tatsuru Takagi, Takeo Oku

Japanese Journal of Applied Physics 55 02BF01-1 - 02BF01-5 2015.11

Language：English Publishing type：Research paper (scientific journal) Publisher：IOP Publishing

Fabrication and Characterization of a Perovskite-Type Solar Cell with a Substrate Size of 70 mm Reviewed International journal

Takeo Oku、Taisuke Matsumoto、Atsushi Suzuki、Kohei Suzuki

Coatings 5 ( 4 ) 646 - 655 2015.10

Fabrication and characterization of organic solar cells using metal complex of phthalocyanines Reviewed International journal

Tomoyasu Kida, Atsushi Suzuki, Tsuyoshi Akiyama, and Takeo Oku

AIP Conference Proceedings 1649 102 - 106 2015.4

Fabrication and characterization of inverted organic solar cells using shuttle cock-type metal phthalocyanine and PCBM:P3HT Reviewed International journal

Atsushi Suzuki, Ryo Furukawa, Tsuyoshi Akiyama and Takeo Oku

AIP Conference Proceedings 1649 107 - 112 2015.4

Effects of Niobium Addition into TiO2 Layers on CH3NH3PbI3-based Photovoltaic Devices Reviewed International journal

Takeo Oku, Taishi Iwata, Atsushi Suzuki

Chemistry Letters 44 1033 - 1035 2015.4

Language：English Publishing type：Research paper (scientific journal) Participation form：Joint(The vice charge)

TiO2/CH3NH3PbI3-based photovoltaic devices were fabricated by a spin-coating method using a mixture solution of niobium(V) ethoxide, and the effects of niobium (Nb) addition to TiO2 layers were investigated. The lattice distance and energy gap of the TiO2 were almost same after Nb addition. The elemental mapping and sheet resistance measurements indicated a wide distribution of Nb and Ti, and a decrease in sheet resistance by Nb addition. The external quantum efficiency and internal quantum efficiency increased by Nb addition to compact TiO2 and mesoporous TiO2 layers, which resulted in an increase in the current density and conversion efficiency of the cell.

Effects of Niobium Addition into TiO2 Layers on CH3NH3PbI3-based Photovoltaic Devices Reviewed

Takeo Oku, Taishi Iwata, Atsushi Suzuki

Chemistry Letters 44 1033 - 1035 2015.4

Language：English Publishing type：Research paper (scientific journal)

Formation of Thin Films of Densely Packed [60]Fullerene-Diaminoethane Adduct Microparticles at a Liquid/Liquid Interface and Their Photoelectrochemical Applications Reviewed

Shoto Banya, Tsuyoshi Akiyama, Daisuke Izumoto, Atsushi Suzuki, Takeo Oku

CHEMISTRY LETTERS 44 ( 4 ) 489 - 491 2015.4

Language：English Publishing type：Research paper (scientific journal) Publisher：CHEMICAL SOC JAPAN

Thin films of [60]fullerene-1,2-diaminoethane adduct microparticles (C60P) were fabricated via a liquid/liquid interface precipitation. The energy level of the lowest unoccupied molecular orbital (LUMO) of the CO was evaluated by electrochemical analysis. The additional tetraphenylporphyrin substantially enhanced the photocurrent from the C60P-thin-film-modified electrode.

DOI： 10.1246/cl.141153

Web of Science

Fabrication and characterization of siliconnaphthalocyanine/fullerene-basedphotovoltaic devices with inverted structures Reviewed International journal

H. Maruhashi, T. Oku, A. Suzuki, and T. Akiyama

Proc. Int. Conf. and Summer School on Advanced Silicide Technology 2014, JJAP Conf. Proc. 011405-1 - 011405-7 2015.3

Effects of Triphenylborane Addition to Decaphenylcyclopentasilane Thin Films Reviewed International journal

Takeo Oku, Naoki Hibi, Atsushi Suzuki, Tsuyoshi Akiyama,Masahiro Yamada, Sakiko Fukunishi and Kazufumi Kohno

Proc. Int. Conf. and Summer School on Advanced Silicide Technology 2014, JJAP Conf. Proc. 011404-1 - 011404-6 2015.3

Fabrication and characterization of siliconnaphthalocyanine/fullerene-basedphotovoltaic devices with inverted structures Reviewed

H. Maruhashi, T. Oku, A. Suzuki, T. Akiyama

Proc. Int. Conf. and Summer School on Advanced Silicide Technology 2014, JJAP Conf. Proc. 011405-1 - 011405-7 2015.3

Effects of Triphenylborane Addition to Decaphenylcyclopentasilane Thin Films Reviewed

Takeo Oku, Naoki Hibi, Atsushi Suzuki, Tsuyoshi Akiyama, Masahiro Yamada, Sakiko Fukunishi, Kazufumi Kohno

Proc. Int. Conf. and Summer School on Advanced Silicide Technology 2014, JJAP Conf. Proc. 011404-1 - 011404-6 2015.3

Electronic Structures and Magnetic Properties of Shuttle Cock-Type of Phthalocyanine Reviewed International journal

Atsushi Suzuki and Takeo Oku

4th Annual International Conference Proceeding, Sustainable Energy and Environmental Sciences (SEES 2015) 89 - 93 2015.2

Electronic Structures and Magnetic Properties of Shuttle Cock-Type of Phthalocyanine Reviewed

Atsushi Suzuki, Takeo Oku

4th Annual International Conference Proceeding, Sustainable Energy and Environmental Sciences (SEES 2015) 89 - 93 2015.2

Fabrication and Characterization of Perovskite based Solar Cells using Lead Phthalocyanine as Hole Transport Layer Reviewed

Atsushi Suzuki, Tomoyasu Kida and Takeo Oku

4th Annual International Conference Proceeding, Sustainable Energy and Environmental Sciences (SEES 2015) 85 - 88 2015.2

Fabrication and Characterization of Perovskite based Solar Cells using Lead Phthalocyanine as Hole Transport Layer Reviewed

Atsushi Suzuki, Tomoyasu Kida, Takeo Oku

4th Annual International Conference Proceeding, Sustainable Energy and Environmental Sciences (SEES 2015) 85 - 88 2015.2

Fabrication and characterization of P3HT:PCBM-based thin film organic solar cells with zinc phthalocyanine Reviewed International journal

Haruto Maruhashi, Takeo Oku, Atsushi Suzuki, Tsuyoshi Akiyama, and Yasuhiro Yamasaki

AIP Conference Proceedings 1649 89 - 95 2015.1

Microstructures and properties of CH3 NH3 PbI3− x Clx hybrid solar cells Reviewed International journal

Kohei Suzuki, Atsushi Suzuki, Masahito Zushi and Takeo Oku

AIP Conference Proceedings 1649 96 - 101 2015.1

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Papers - SUZUKI Atsushi