Author

Riku Okumura

Institutions: University of Shiga Prefecture, Shiga University

Observed institutions: University of Shiga Prefecture, Shiga University

ORCID: 0009-0006-8450-6480

Observed ORCID: 0009-0006-8450-6480

OpenAlex ID: A5083138906

Effects of Adding Alkali Metals and Organic Cations to Cu-Based Perovskite Solar Cells

2022 · Riku Okumura, Takeo Oku, et al. · Applied Sciences · 33

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Electronic structures of ABX3 perovskite crystals with a monovalent copper ion as the A-site cation

2024 · Riku Okumura, Takeo Oku, et al. · Chemical Physics Impact · 27

Electronic structures and properties of lead-free cesium- or rubidium-based perovskite halide compounds by first-principles calculations

2023 · Riku Okumura, Takeo Oku, et al. · Nano Trends · 23

First-principles calculation analysis and photovoltaic properties of Cu compound-added perovskite solar cells

2023 · Riku Okumura, Takeo Oku, et al. · Japanese Journal of Applied Physics · 14

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Effects of guanidinium iodide surface treatment on CH3NH3PbI3 perovskite solar cells with added decaphenylcyclopentasilane

2024 · Keisuke Kuroyanagi, Takeo Oku, et al. · Nano Trends · 13

Effects of Co-Addition of Guanidinium and Cesium to CH3NH3PbI3 Perovskite Solar Cells

2023 · Takeo Oku, Shoma Uchiya, et al. · Inorganics · 12

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Fabrication and Characterization of SnCl2- and CuBr-Added Perovskite Photovoltaic Devices

2022 · Yugo Asakawa, Takeo Oku, et al. · Technologies · 11

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Effects of alkali metals or Cu+ addition to α-FAPbI3 perovskite crystals on electronic structures and photovoltaic properties

2024 · Riku Okumura, Takeo Oku, et al. · Japanese Journal of Applied Physics · 9

Effects of neodymium or ytterbium addition to CH3NH3PbI3 perovskite solar cells inserted with decaphenylcyclopentasilane

2024 · Kotaro Yamamoto, Atsushi Suzuki, et al. · Results in Surfaces and Interfaces · 7

Accelerated formation of photoactive formamidinium-based lead triiodide perovskite crystals by the addition of copper iodide

2024 · Riku Okumura, Takeo Oku, et al. · Chemistry of Inorganic Materials · 7

Stable decaphenylcyclopentasilane hole transport layers for double-stacked perovskite photovoltaic devices fabricated under ambient atmosphere

2024 · Iori Ono, Takeo Oku, et al. · Chemistry of Inorganic Materials · 6

Effects of halogens and alkali metals on guanidinium-ethylammonium hybrid-doped perovskite photovoltaic devices

2024 · Haruto Shimada, Takeo Oku, et al. · Hybrid Advances · 6

Electronic structures of lead-free Sn- or Ge-hybrid perovskite halides studied by first-principles calculation

2024 · Yu-Chen Kuo, Takeo Oku, et al. · Hybrid Advances · 6

Effects of K- or Ge-additions to formamidinium-based perovskite crystals on electronic structures and photovoltaic properties

2025 · Ryo Sobajima, Takeo Oku, et al. · Chemical Physics Letters · 4

Effects of Copper Substitution in Methylammonium-Based Perovskite Solar Cells

2023 · Riku Okumura, Takeo Oku, et al. · International Electronic Conference on Applied Sciences (ASEC) · 2

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Electronic Structures and Photovoltaic Properties of Copper-, Sodium- and Ethylammonium-Added CH3NH3PbI3 Perovskite Compound

2022 · Riku Okumura, Takeo Oku, et al. · International Electronic Conference on Applied Sciences (ASEC) · 1

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Effects of Co-Addition of Copper, Sodium and Ethylammonium to CH3NH3PbI3 Perovskite Compound

2022 · Riku Okumura, Takeo Oku, et al. · International Online Conference on Crystals (IOCC)

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Works count: 17

Citation count: 179

H-index: 8

I10-index: 7