• Wataru Hayami, Naoki Uemura, Takanobu Hiroto, Tadashi Ogitsu, Kohei Soga, Kaoru Kimura. Thermodynamic stability of tetragonal boron carbide B50C2 and possible hydrogen inclusion. Journal of Solid State Chemistry. 360 126050-126050-8. 2026. Open Access
• Adrija Das, Barun Kumar Barman, Hiroyuki Yamada, Tadaaki Nagao. Porous nanohybrid transparent film with ITO nanoparticles and carbon dots for high-efficiency NIR shielding and UV-A blocking. Surfaces and Interfaces. 94 109519-109519-11. 2026. Open Access
• Barun Kumar Barman, Keisuke Watanabe, Adrija Das, Hiroyuki Yamada, Keiko Okano, Kenzo Deguchi, Shinobu Ohki, Kenjiro Hashi, Atsushi Goto, Tadaaki Nagao. Highly Fluorescent Phenyl‐Modified Carbon Nitride Microcavities for Rare‐Earth‐Free Whispering‐Gallery‐Mode Emission and Unclonable Photonic Anti‐Counterfeiting. Advanced Optical Materials. 14 [25] e03772-1-e03772-12. 2026. Open Access
• Barun Kumar Barman, Keisuke Watanabe, Kenzo Deguchi, Shinobu Ohki, Kenjiro Hashi, Atsushi Goto, Tadaaki Nagao. Chameleonic Color‐Variable Microbead Emitters for Multilevel Spectroscopic Encryption from Visible to Infrared Wavelengths. Advanced Optical Materials. 14 [19] e03855-1-e03855-13. 2026. Open Access
• Adrija Das, Barun Kumar Barman, Thien Duc Ngo, Chih-Hsing Wang, Keisuke Watanabe, Tadaaki Nagao. Highly efficient NIR heat shielding and UV-A blocking by porous nano-composite film of cesium tungsten oxide nanoparticles and carbon dots. Japanese Journal of Applied Physics. 65 [5] 05SP07-05SP07-10. 2026. Open Access
• Cong Zhang, Hiroyuki Yamada, Daniel Limouchi, Kazuhiro Nemoto, Naoto Shirahata. Metal-hydride-free one-pot synthesis of InSb/InP core/shell quantum dots for light-emitting diodes. Chemical Communications. 62 [17] 5051-5055. 2026. Open Access
• Phuoc Toan Tran, Thien Duc Ngo, Andrea Ruiz‐Perona, Hai Dang Ngo, Keisuke Watanabe, Hiroshi Harada, Tadaaki Nagao. Spectroscopic Infrared Photothermal Converters Using Uniaxially Oriented NiAl Superalloy Films with Metal‐Insulator‐Metal Strip Arrays. Advanced Optical Materials. 14 [8] e02912-1-e02912-12. 2026. Open Access
• David Hernández Pinilla, Andrea Ruiz Perona, Thien Duc Ngo, Ørjan Sele Handegård, Toan Phuoc Tran, Naoki Furuhata, Tadaaki Nagao. Spectrally Adjustable Narrowband Photonic Device Based on Heat‐Driven Amorphous‐to‐Crystal Transformation of Si. Advanced Photonics Research. 7 [1] 2500054-1-2500054-9. 2026.

2025

• Andrea Ruiz-Perona, Toan Phuoc Tran, Adrija Das, Thien Duc Ngo, David Hernández-Pinilla, Tadaaki Nagao. Optoelectronic properties of CeB6 thin films fabricated by physical vapor deposition processes for near-infrared device applications. Infrared Physics & Technology. 150 106026-106026-8. 2025. Open Access
• Takanobu Hiroto, Hossein Sepehri-Amin, Naoki Uemura, Naoya Miyauchi, Wataru Hayami, Tadakatsu Ohkubo, Tadashi Ogitsu, Kohei Soga, Kaoru Kimura. Lattice expansion due to hydrogen absorption into β-rhombohedral boron. Solid State Sciences. 163 107907-107907-6. 2025. Open Access
• Masanobu Iwanaga, Keisuke Watanabe. Generative-AI-assisted knowledge-based augmented exploration in nanophotonics. Science and Technology of Advanced Materials: Methods. 5 [1] 2596940-1-2596940-16. 2025. Open Access
• Keisuke Watanabe, Tadaaki Nagao. Vibrational Mode-Selective Infrared Spectroscopy at the Monolayer Level Using Silicon Quasi-Bound States in the Continuum. ACS Photonics. 12 [12] 6876-6883. 2025. Open Access
• Chih-Chung Wang, Jia-Han Li, Tadaaki Nagao. A tungsten-based solar absorber with a strip-combined starfish structure with high photothermal conversion efficiency and low radiative heat loss. Physical Chemistry Chemical Physics. 27 [48] 25868-25875. 2025. Open Access
• Hiroyuki Yamada, Tadaaki Nagao, Naoto Shirahata. Rational impurity doping for enhanced hole mobility in silicon quantum dots for light-emitting diodes. Nanoscale Advances. 7 [16] 4837-4841. 2025. Open Access
• Barun Kumar Barman, Keisuke Watanabe, Tadaaki Nagao. Carbonized Polymer Dots‐Based Spectrally Adaptable Photonic Microbarcodes. Advanced Optical Materials. 13 [22] 2500822-1-2500822-10. 2025. Open Access
• Hiroyuki Yamada, Tohru Tsuruoka, Tadaaki Nagao, Naoto Shirahata. Deep-blue amplified spontaneous emission and lasing in colloidal silicon nanoclusters. Chemical Communications. 61 [38] 6945-6948. 2025. Open Access
• Thien Duc Ngo, Hai Dang Ngo, Toan Phuoc Tran, Hiroshi Harada, Tadaaki Nagao. Infrared Thermophotonics: Theoretical Benchmarking of Ni–Al Superalloys. Advanced Photonics Research. 6 [4] 2400093-1-2400093-10. 2025. Open Access
• Andrea Ruiz-Perona, Thien Duc Ngo, David Hernández-Pinilla, Wataru Hayami, Tadaaki Nagao. Optimizing the Optical Response of Uniaxial Cerium Hexaboride Films for High-Temperature Plasmonic Applications. ACS Applied Electronic Materials. 7 [5] 2093-2101. 2025. Open Access
• Keisuke Watanabe, Tadaaki Nagao, Masanobu Iwanaga. Low-Contrast BIC Metasurfaces with Quality Factors Exceeding 100,000. Nano Letters. 25 [7] 2777-2784. 2025. Open Access

• NAGAO, Tadaaki, WATANABE, Keisuke, NGO, Duc Thien. Material and Device Optimizations for Wavelength-Selective Infrared Devices. META 2026, 16th International Conference on Metamaterials, Photonic Crystals and Plasmonics. 2026. Invited
• WATANABE, Keisuke, Samuel Crowther, IWANAGA, Masanobu, Frank Vollmer, NAGAO, Tadaaki. Low-Contrast Bound States in the Continuum Metasurfaces Enabling Single Nanoparticle Sensing. META 2026, 16th International Conference on Metamaterials, Photonic Crystals and Plasmonics. 2026.
• NAGAO, Tadaaki, BARMAN, Barun, エルナンデス ピニヤ ダビーッド, WATANABE, Keisuke, NGO, Duc Thien. Ultraviolet to Near Infrared Spectroscopic Emitters Based on Broadband Rare Earth free Phosphors. The12th International Conference on Antennas and Electromagnetic Systems (AES 2026). 2026. Invited
• リムウチ ダニエル, ZHANG, Cong, NEMOTO, Kazuhiro, YAMADA, Hiroyuki, SHIRAHATA, Naoto. Aminophosphine-based Synthesis of InSb/InP Core/Shell Quantum Dots. 日本化学会第106春季年会(2026). 2026.
• 王 志行, ルイス　ペローナ アンドレア, YAMADA, Hiroyuki, NGO, Duc Thien, チャン トォアン　フォック, WATANABE, Keisuke, NAGAO, Tadaaki. Tuning Schottky Barrier Characteristics at NiAl/p-Si Interfaces for Scalable Infrared Photodetectors. 第73回応用物理学会春季学術講演会/The 73rd JSAP Spring Meeting 2026. 2026.
• 渡邊 敬介, 岩長 祐伸, 長尾 忠昭. シリコンBICメタサーフェスによる単一ナノ粒子センシング. 第73回応用物理学会春季学術講演会. 2026.
• 湯葢邦夫, 安原聡, 山野昭人, 速水 渉, 廣戸 孝信, 岡田純平, 杉山和正, 上村直樹, 木村薫. 液体急冷純ボロンの新oF 型相 －ボロン系半導体準結晶探索の現状－. 第18回 ⽇本ホウ素・ホウ化物研究会 (JSBB2026). 2026.
• 上村 直樹, 廣戸 孝信, 速水 渉, 荻津 格, 曽我 公平, 木村 薫. βホウ素および亜水素化βホウ素の電子構造と分光応答の第一原理解析. 第18回 ⽇本ホウ素・ホウ化物研究会 (JSBB2026). 2026.
• BARMAN, Barun, NAGAO, Tadaaki. Sustainable Carbonized Micro Emitters for Photonic Barcoding and Anti Counterfeiting Applications. International Conference on Functional Materials- ICFM2026. 2026.

2025

• ダス アドリジャ, BARMAN, Barun, NAGAO, Tadaaki. Role of Microstructure Morphology on The Thermal Shielding of Carbon Dots/Cesium-Doped Tungsten Oxide Nanoparticle Hybrid Films. ASPEN 2025 -11th International Conference of Asian Society for Precision Engineering and Nanotechnology. 2025.
• NAGAO, Tadaaki. Nanoscale Optical Resonators for Infrared Spectroscopy and Photoluminescence Applications in Sensing. ASPEN 2025 -11th International Conference of Asian Society for Precision Engineering and Nanotechnology. 2025. Invited
• 王 志中, 李 佳翰, NAGAO, Tadaaki. Optimization-Guided Nanostructure Design for Broadband Solar Absorber with Efficient Solar–Thermal Energy Conversion. ASPEN 2025 -11th International Conference of Asian Society for Precision Engineering and Nanotechnology. 2025.
• WATANABE, Keisuke, IWANAGA, Masanobu, NAGAO, Tadaaki. Free-space accessible silicon metasurfaces for sensing applications using quasi-bound states in the continuum. Photonics and Electromagnetics Research Symposium (PIERS 2025). 2025. Invited
• 山田 博之, 白幡 直人, 長尾 忠昭. 正孔易動度改善を志向した不純物ドープコロイダルシリコン量子ドット発光ダイオードの創製. 2025年第86回応用物理学会秋季学術講演会/The 86th JSAP Autumn Meeting 2025. 2025.
• 王 志中, 長尾 忠昭. Broadband Solar Absorber Design Using Optimization-Driven Nanostructures for Efficient Solar–Thermal Conversion. 第86回応用物理学会秋季学術講演会/The 86th JSAP Autumn Meeting 2025. 2025.
• ダス アドリジャ, BARMAN, Barun, NAGAO, Tadaaki. High-efficiency infra-red shielding and UV blocking by carbon dots assisted Cesium doped tungsten oxide nanoparticles. 第86回応用物理学会秋季学術講演会/The 86th JSAP Autumn Meeting 2025. 2025. Open Access
• エルナンデス ピニヤ ダビーッド, BARMAN, Barun, WATANABE, Keisuke, YAMADA, Hiroyuki, NGO, Duc Thien, NAGAO, Tadaaki. Multilayer and Microbead Structures for Ultraviolet to Near Infrared Spectroscopic Applications Based on Metal-free Phosphors. META 2025, 15th International Conference on Metamaterials, Photonic Crystals and Plasmonic. 2025. Invited
• David HERNANDEZ-PINILLA, BARMAN, Barun, NAGAO, Tadaaki. Laser Generation With Metal-free Carbogenic Quantum Dots. META 2025 (15th International Conference on Metamaterials, Photonic Crystals and Plasmonic). 2025.
• 湯葢 邦夫, 安原 聡, 山野 昭人, HIROTO, Takanobu, HAYAMI, Wataru, 岡田 純平, 杉山 和正, 上村 直樹, 木村 薫. A new oF-type elemental boron phase synthesized by the rapid quenching -Search for semiconducting quasicrystal-. The 16th International Conference on Quasicrystals. 2025.
• ダス アドリジャ, BARMAN, Barun, NAGAO, Tadaaki. Enhanced Thermal Shielding and UV Blocking by Carbon Dots Assisted Transparent Conductive Oxide Nanoparticles. ICT/ACT 2025-The 41st Inter Conf on Thermoelectrics & 7th Asian Conf. on Thermoelectrics. 2025.
• ルイス　ペローナ アンドレア, チャン トォアン　フォック, David HERNANDEZ-PINILLA, NGO, Duc Thien, 王 志行, NAGAO, Tadaaki. Growth process and crystallinity effect on the performances of spectroscopic thermal emitters based on high-temperature compound thin films. ICT/ACT 2025-The 41st International Conference on Thermoelectrics & 7th Asian Conference on Thermoelectrics. 2025.
• ダス アドリジャ, 長尾 忠昭. Surface Morphology Engineered Thermal and UV Shielding Nanocomposite Thin Film with Oxide Nanoparticles and Carbon Dots. SPP11 - The 11th International Conference on Surface Plasmon Photonics. 2025.
• 白幡 直人, 山田 博之, ゴッシュ バツ. 不純物イオンをドープしたシリコン量子ドットの合成と溶液プロセスによるP-N接合構築. 日本化学会 第105回春季年会 (2025). 2025.
• 長尾 忠昭. 色が可視から近赤外まで七変化する食品由来の発光ビーズ. つくば Meet Up DAY. 2025.
• 渡邊 敬介, 岩長 祐伸. 生成AIを活用したナノフォトニクスの探索的研究（II）未知構造探索. 2025年 第72回応用物理学会春季学術講演会. 2025.
• ルイス　ペローナ アンドレア, YAMADA, Hiroyuki, NGO, Duc Thien, NAGAO, Tadaaki. High-temperature spectroscopic infrared thermal emitters based on epitaxial cerium hexaboride thin films. 2025年第72回応用物理学会春季学術講演会/The 72th JSAP Spring Meeting 2025. 2025.
• 白幡 直人. ポスト電気アニーリング処理によるコロイダルシリコン量子ドット発光ダイオードの外部量子収率増強. 2025年第72回応用物理学会春季学術講演会/The 72nd JSAP Spring Meeting 2025. 2025.
• 岩長 祐伸, 渡邊 敬介, 何 亜倫, 落合 哲行. 生成AIを活用したナノフォトニクスの探索的研究（I）既知情報ベース. 2025年 第72回応用物理学会春季学術講演会. 2025.
• 渡邊 敬介, 長尾 忠昭, 岩長 祐伸. BICメタサーフェスにおける10万を越えるQ値の実現と単一粒子センシング応用. 2025年 第72回応用物理学会春季学術講演会. 2025.
• 山田 博之, ゴ ドゥック テイエン, 長尾 忠昭. in situ 表面増強赤外吸収分光法によるアミノ-EG6-ウンデカンチオール単分子膜上に固定化したタンパク質の二次構造解析. 2025年第72回応用物理学会春季学術講演会/The 72nd JSAP Spring Meeting 2025. 2025.
• 上村直樹, 荻津格, 廣戸 孝信, 速水 渉, 曽我公平, 木村薫. 亜水素化βホウ素の圧力依存性の第一原理計算. 第17回 日本ホウ素・ホウ化物研究会. 2025.
• 廣戸 孝信, 松本 凌, 速水 渉, 高野 義彦, 上村直樹, 曽我公平, 荻津格, 木村薫. 亜水素化ホウ素(HxB105)の作製と物性. 第17回日本ホウ素・ホウ化物研究会. 2025.
• IWANAGA, Masanobu, WATANABE, Keisuke. Metasurfaces—Vast Playground for Light–Matter Interaction. The International Symposium on Plasmonics and Nanophotonics 2025 (iSPN 2025). 2025.

• 渡邊 敬介, 長尾 忠昭, 岩長 祐伸. 自由空間からアクセス可能な高Q値ナノ構造の開発に成功. フォトニクスニュース. 11 [1] 1-1. 2025. Open Access