PUBLICATIONS

2025

• Sn-Carbon Nanocomposite Anode for All-Solid-State Chloride-ion Batteries Operating at Room Temperature
  Hyeonsu Yang, Seonghee Kim, Sungho Lee, Liwei Zhao, Atsushi Inoishi*, Hikari Sakaebe*, Ken Albrecht*, Oi Lun Li*  
  Chem. Commun.,  2025, in press.​

2024

• A van der Waals porous crystal featuring conformational flexibility and permanent porosity for ultrafast water release
  Kentaro Maejima, Heishun Zen, Hiroyasu Sato, Eiji Nishibori, Tomoya Enjou, Youhei Takeda, Satoshi Minakata, Eri Hisamura, Ken Albrecht, Yuka Ikemoto, Irene Badía-Domínguez, Juan Sánchez-Rincón, M. Carmen Ruiz Delgado, Yohei Yamamoto*, Hiroshi Yamagishi*
  Commun. Chem.,  2024, 7, 282(1-9).
• Generation-Dependent Intramolecular Charge Transfer Excited-State Dynamics in Thermally Activated Delayed Fluorescence Carbazole Dendrimers
  Ami Takada, Eri Hisamura, Keiko Yamaoka, Tomohiro Ogawa, Ken Onda*, Ken Albrecht*, Kiyoshi Miyata*
  J. Phys. Chem. C,  2024, 128, 18820-18827.
• Aluminum Complex-Core Carbazole Dendrimers Exhibiting Thermally Activated Delayed Fluorescence
  Kohei Nakao, Minori Furukori, Guanting Liu, Takuya Hosokai*, Takuma Yasuda*, Ken Albrecht*
  ACS. Appl. Opt. Mater.,  2024, 2, 1393–1402.
• Water-soluble luminescent tris(2,4,6-trichlorophenyl)methyl radical-carbazole dyad
  Kosuke Anraku, Kenshiro Matsuda, Satoshi Miyata, Hikaru Ishii, Takuya Hosokai*, Satoshi Okada, Kazuhiro Nakamura, Kohei Nakao, Ken Albrecht*
  J. Mater. Chem. B, 2024, 12, 6840-6846.  Journal of Materials Chemistry B HOT Paperに選定
• In situ formation of an intimate solid-solid interface by reaction between MgH2 and Ti to stabilize metal hydride anode with high active material content
  Yixin Chen, Atsushi Inoishi*, Shigeto Okada, Hikari Sakaebe, Ken Albrecht
  J. Magnesium Alloys, 2024, 12, 3193-3203.
• In situ Electrolyte Design: Understanding the Prospects and Limitations of a High Capacity Ca(BH4)2 Anode for All Solid State Batteries
  Yixin Chen, Ryo Sakamoto, Atsushi Inoishi*, Shigeto Okada, Hikari Sakaebe, Ken Albrecht, Duncan H. Gregory*
  Batter. Supercaps, 2024, e202300550 (1-9). Cover Feature of the Issue (中表紙)
• Electrode thickness dependence of charge–discharge performance and reaction distribution of an in-situ-formed solid electrolyte for MgH2 anodes
  Yixin Chen, Atsushi Inoishi*, Kazuki Yoshii, Hiroki Sato, Shigeto Okada, Hikari Sakaebe, Ken Albrecht
  Electrochimica Acta, 2024, 485, 144083(1-7).
• TiH2-based anode: In situ formation of solid electrolyte for high volumetric energy density with minimal content of conducting agent
  Yixin Chen, Atsushi Inoishi*, Shigeto Okada, Hikari Sakaebe, Ken Albrecht 
  J. Energy Storage, 2024, 86, 111286(1-10).

2023

• Effects of halogen atom substitution on luminescent radical: A case study on tris(2,4,6-trichlorophenyl)methyl radical-carbazole dyad
  Kazuhiro Nakamura, Kenshiro Matsuda, Rui Xiaotian, Minori Furukori, Satoshi Miyata, Takuya Hosokai,* Kosuke Anraku, Kohei Nakao, Ken Albrecht*
   Faraday Discuss. 2024, 250, 192-201.
• Thermally Activated Delayed Fluorescence Carbazole-Triazine Dendrimer with Bulky Substituents

　　　Hiroki Ikebe, Kohei Nakao, Eri Hisamura, Minori Furukori, Yasuo Nakayama, Takuya Hosokai,* Minlang Yang, Guanting Liu, Takuma Yasuda, Ken Albrecht*
 　　　Aggregate 2024, 5, e405(1-8).

• Dendri-LEC Family: Establishing the Bright Future for Dendrimer Emitters in Traditional and Graphene-Based Light-Emitting Electrochemical Cells
  Luca M. Cavinato, Keiko Yamaoka, Sophia Lipinski, Vladimir Calvi, Dominique Wehenkel, Richard van Rijn, Ken Albrecht*, Rubén D. Costa*
   Adv. Funct. Mater. 2023, 33, 2302483(1-10).　Inside Cover of the Issue (中表紙), 日刊工業新聞(5月29日28面), 他多数のWebsiteにて報道, プレスリリース
• Carbazole-Dendronized Luminescent Radicals
  Rui Xiaotian, Wataru Ota, Tohru Sato, Minori Furukori, Yasuo Nakayama, Takuya Hosokai, Eri Hisamura, Kazuhiro Nakamura, Kenshiro Matsuda, Kohei Nakao, Andrew P. Monkman, Ken Albrecht*   
  Angew. Chem. Int. Ed. 2023, 62,  e20230255 (1-7). ​Back Cover of the Issue (裏表紙), 科学新聞(4月7日4面)にて報道, プレスリリース
• Surface Modification of Gold by Carbazole Dendrimers for Improved Carbon Dioxide Electroreduction
  Sota Yoshida, Sampei Masaki, Naoto Todoroki*, Eri Hisamura, Kohei Nakao, Ken Albrecht, Toshimasa Wadayama   
  Chem. Commun. 2023, 59, 3459-3462.

2022

• Thermally Activated Delayed Fluorescence of Carbazole-Benzophenone Dendrimer with Bulky Substituents
  Ken Albrecht*, Eri Hisamura, Minori Furukori, Yasuo Nakayama, Takuya Hosokai*, Kohei Nakao, Hiroki Ikebe, Akira Nakayama 
  Polym. Chem. 2022, 13, 2277-2284. Back Cover of the Issue (裏表紙)​
• Poly-phenylene jacketed tailor-made dendritic phenylazomethine ligand for nanoparticle synthesis
  Ken Albrecht*, Maki Taguchi, Takamasa Tsukamoto, Tatsuya Moriai, Nozomi Yoshida, Kimihisa Yamamoto* 
  Chem. Sci. 2022, 13, 5813-5817. Cover of the Issue (表紙)　Most popular 2022 materials and energy articles
• 3,6-Diphenyltetrazine as Cathode Active Material for Sodium Ion Batteries
  Jun Watanabe, Masaki Furusawa, Kosuke Nakamoto, Yuchao Sun, Masatoshi Tashima, Keiko Yamaoka, Seiko Fujiwara, Han Seul Kim, Shigeto Okada*, Ken Albrecht*
  Electrochemistry 2022, 90, 117005 (1-7). 
• Photostability of luminescent tris(2,4,6‐trichlorophenyl)methyl radical enhanced by terminal modification of carbazole donor
  Kenshiro Matsuda, Xiaotian Rui, Kazuhiro Nakamura, Minori Furukori, Takuya Hosokai*, Kosuke Anraku, Kohei Nakao, Ken Albrecht* 
  Chem. Commun. 2022, 58, 13443-13446.  Inside Front Cover of the Issue (中表紙)

2021

• Metal atom–guided conformational analysis of single polynuclear coordination molecules
  Kenji Takada, Mari Morita,Takane Imaoka*, Junko Kakinuma, Ken Albrecht*, Kimihisa Yamamoto *
  Sci. Adv. 2021, 7, eabd9887(1-8).　日刊工業新聞(8月12日)、科学新聞（9月10日）にて報道
• Enhanced electrochemical performance of Li2.72Na0.31MnPO4CO3 as a cathode material in “water-in-salt” electrolytes
  Baowei Xie, Ryo Sakamoto, Ayuko Kitajou, Liwei Zhao, Kosuke Nakamoto*, Shigeto Okada*, Ken Albrecht, Wataru Kobayashi, Masaki Okada, Toshiya Takahara 
  Chem. Commun., 2021, 57, 12840-12843.

2020

• Sigmoidally hydrochromic molecular porous crystal with rotatable dendrons
  Hiroshi Yamagishi, Sae Nakajima, Jooyoung Yoo, Masato Okazaki, Youhei Takeda*, Satoshi Minakata, Ken Albrecht*, Kimihisa Yamamoto, Irene Badía-Domínguez, Maria Moreno Oliva, M. Carmen Ruiz Delgado, Yuka Ikemoto, Hiroyasu Sato, Kenta Imoto, Kosuke Nakagawa, Hiroko Tokoro, Shin-ichi Ohkoshi, Yohei Yamamoto* 
  Commun. Chem. 2020, 3, 118 (1-8).
• Single‐Crystalline Optical Microcavities from Luminescent Dendrimers
  Kohei Iwai,  Hiroshi Yamagishi*,  Colin Herzberger,  Yuji Sato,  Hayato Tsuji,  Ken Albrecht,  Kimihisa Yamamoto,  Fumio Sasaki,  Hiroyasu Sato,  Aswin Asaithambi,  Axel Lorke,  Yohei Yamamoto*
  Angew. Chem. Int. Ed. 2020, 59, 12674-12679.

2019

• Inkjet printing of thermally activated delayed fluorescence (TADF) dendrimer for OLEDs applications
  Amruth C, Beata Luszczynska, Marek Zdzislaw Szymanski, Jacek Ulanski, Ken Albrecht, KimihisaYamamoto
  Org. Electron. 2019, 74, 218-227.​​
• Nanosphere Formation of π-Conjugated Dendrimers by Simple Precipitation Method
  Ken Albrecht, Ken Minagawa, Sae Nakajima, Soh Kushida, Yohei Yamamoto, Akiyoshi Kuzume, Kimihisa Yamamoto
  Chem. Lett., 2019, 48, 1240-1243.
• Dendrimer-templated Synthesis and Characterization of Tin Oxide Quantum Dots Deposited on Silica Glass Substrate
  Yusuke Inomata, Ken Albrecht, Naoki Haruta, Kimihisa Yamamoto
  Chem. Mater., 2019, 31, 8373-8382.

2018

• Size Dependent Oxidation state and CO Oxidation Activity of Tin Oxide Clusters
  Yusuke Inomata, Ken Albrecht, Kimihisa Yamamoto
  ACS Catal. 2018, 8, 451-456.
• A fluorescent microporous crystalline dendrimer discriminates vapour molecules
  Sae Nakajima, Ken Albrecht, Soh Kushida, Eiji Nishibori, Takashi Kitao, Takashi Uemura, Kimihisa Yamamoto, Uwe H. F. Bunz, Yohei Yamamoto
  Chem. Commun. 2018, 54, 2534-2537. 化学工業日報(3月5日)にて報道
• A dendrimer emitter doped in a dendrimer host: efficient thermally activated delayed fluorescence OLEDs with fully-solution processed organic-layers
  K. Albrecht, K. Matsuoka, K. Fujita, K. Yamamoto
  Mater. Chem. Front. 2018, 2, 1097-1103.
• Anisotropic convergence of dendritic macromolecules facilitated by a heteroleptic metal-organic polyhedron scaffold
  Kenichiro Omoto, Nobuhiko Hosono, Mika Gochomori, Ken Albrecht, Kimihisa Yamamoto, Susumu Kitagawa
  Chem. Commun. 2018, 54, 5209-5212.
• Highly Efficient Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes with Fully Solution-Processed Organic Multilayered Architecture: Impact of Terminal-Substitution on Carbazole-Benzophenone Dendrimer and Interfacial Engineering
  Kenichi Matsuoka, Ken Albrecht, Akira Nakayama, Kimihisa Yamamoto, Katsuhiko Fujita
  ACS Appl. Mater. Interfaces 2018, 10, 33343-33352.
• Single-molecule rectifiers based on voltage-dependent deformation of molecular orbitals in carbazole oligomers
  Ryo Yamada, Ken Albrecht, Tatsuhiko Ohto, Keigo Minode, Kimihisa Yamamoto, Hirokazu Tada
  Nanoscale 2018, 10, 19818-19824.

2017

• A Polyaromatic Molecular Clip That Enables the Binding of Planar, Tubular, and Dendritic Compounds
  Keisuke Jono, Akira Suzuki, Munetaka Akita, Ken Albrecht, Kimihisa Yamamoto, Michito Yoshizawa
  Angew. Chem. Int. Ed. 2017, 56, 3570-3574.
• Thermally activated delayed fluorescence OLEDs with fully solution processed organic layers exhibiting nearly 10% external quantum efficiency
  Ken Albrecht, Kenichi Matsuoka, Daisuke Yokoyama, Yoshiya Sakai, Akira Nakayama, Katsuhiko Fujita, Kimihisa Yamamoto
  Chem. Commun. 2017, 53, 2439-2442.Most downloaded articles of 2017: Energy Chemistry
• Mulifunctional Dendritic Emitter: Aggregation-Induced Emission Enhanced, Thermally Activated Delayed Fluorescent Material for Solution-Processed Multilayered Organic Light-Emitting Diodes
  Kenichi Matsuoka, Ken Albrecht, Kimihisa Yamamoto, Katsuhiko Fujita
  Sci. Rep. 2017, 7, 41780.Top 100 in Chemistry
• An ionic liquid that dissolves semiconducting polymers: a promising electrolyte for bright, efficient and stable light-emitting electrochemical cells
  Tomo Sakanoue, Fumihiro Yonekawa, Ken Albrecht, Kimihisa Yamamoto, Taishi Takenobu
  Chem. Mater. 2017, 29, 6122-6129.
• Fabrication of sub-1 nm gap electrodes using metal-mask patterning and conductivity measurements of molecules in nanoscale spaces
  Yasuhisa Naitoh, Ken Albrecht, Qingshuo Wei, Kimihisa Yamamoto, Hisashi Shima, Takao Ishida
  RSC Adv. 2017, 7, 53503-53508.
  

2016

• Polymerization of a divalent/tetravalent metal-storing atom-mimicking dendrimer
  K. Albrecht, Y. Hirabayashi, M. Otake, S. Mendori, Y. Tobari, Y. Azuma, Y. Majima, K. Yamamoto
  Sci. Adv. 2016, 2, e1601414(1-8).日経産業新聞(12月8日), 化学工業日報(12月16日)の他, 多数のwebsiteで報道
• Mono-Substituted Carbazole Dendrimers as Solution Processable Host Materials for Phosphorescent Organic Light-Emitting Diodes
  Kenichi Matsuoka, Ken Albrecht, Kimihisa Yamamoto, Katsuhiko Fujita
  J. Photopolym. Sci. Technol. 2016, 29, 323-326.

2015

• Carbazole Dendrimers as Solution-Processable Thermally Activated Delayed-Fluorescence Materials
  Ken Albrecht, Kenichi Matsuoka, Katsuhiko Fujita, Kimihisa Yamamoto
  Angew. Chem. Int. Ed. 2015, 54, 5677-5682.高被引用文献 (Top 1%, 2016年 11/12 月期より)
  
• Effect of the Core Structure on the Sequential Coordination of Phenylazomethine Dendrimer
  Ken Albrecht, Noriko Sakane, Yusuke Inomata, Kimihisa Yamamoto
  J. Inorg. Organomet. Polym. 2015, 25, 133-139.
  

2014

• Stepwise radial complexation from the outer- layer to the inner-layer of the dendritic ligand: Phenylazomethine dendrimer with an inverted coordination sequence
  Ken Albrecht, Noriko Sakane, Kimihisa Yamamoto
  Chem. Commun. 2014, 50, 12177-12180.
  
• Synthesis and Properties of Nitrogen-Introduced Phenylazomethine Dendrimer
  Ken Albrecht, Hideyuki Higashimura, Kimihisa Yamamoto
  Synth. Commun. 2014, 44, 2239-2247.
  

2013

• Magic Number Pt13 and Misshapen Pt12 Clusters: Which One is the Better Catalyst?
  Takane Imaoka, Hirokazu Kitazawa, Wang-Jae Chun, Saori Omura, Ken Albrecht, Kimihisa Yamamoto
  J. Am. Chem. Soc. 2013, 135, 13089-13095.
• A fourth-generation carbazole–phenylazomethine dendrimer as a size-selective host for fullerenes
  Ken Albrecht, Yuto Kasai, Yasunori Kuramoto, Kimihisa Yamamoto
  Chem. Commun. 2013, 49, 865-867. Back Cover
• Dynamic control of dendrimer–fullerene association by axial coordination to the core
  Ken Albrecht, Yuto Kasai, Yasunori Kuramoto, Kimihisa Yamamoto
  Chem. Commun. 2013, 49, 6861-6863.

2012

• Patterning Carbazole–Phenylazomethine Dendrimer Films
  Ken Albrecht, Roderick Pernites, Mary Jane Felipe, Rigoberto C. Advincula, Kimihisa Yamamoto
  Macromolecules 2012, 45, 1288-1295.
  
• Synthesis of a Dendrimer Reactor for Clusters with a Magic Number
  Hirokazu Kitazawa, Ken Albrecht, Kimihisa Yamamoto
  Chem. Lett. 2012, 41, 828-830.
  

2009

• Dendritic Structure Having a Potential Gradient: New Synthesis and Properties of Carbazole Dendrimers.
  Ken Albrecht, Kimihisa Yamamoto
  J. Am. Chem. Soc. 2009, 131, 2244-2251.
  
• The Fluorescence and Electroluminescence Properties of the Carbazole-Phenylazomethine Double Layer-Type Dendrimer.
  Ken Albrecht, Yuto Kasai, Kimihisa Yamamoto
  J. Inorg. Organomet. Polym. Mater. 2009, 19, 118-123.
  

2008

• The Synthesis and Properties of Carbazole-Phenylazomethine Double Layer-Type Dendrimers.
  Ken Albrecht, Yuto Kasai, Atsushi Kimoto, Kimihisa Yamamoto
  Macromolecules 2008, 41, 3793-3800.
  
• Interface Modification on TiO2 Electrode Using Dendrimers in Dye-Sensitized Solar Cells.
  Toshio Nakashima, Norifusa Satoh, Ken Albrecht, Kimihisa Yamamoto
  Chem. Mater. 2008, 20, 2538-2543.
  
• Organic light-emitting diodes with hole-transporting material having metal collecting sites.
  Ken Albrecht, Atsushi Kimoto, Jun-Sang Cho, Yugo Matsuura, Kimihisa Yamamoto
  J. Photopolym. Sci. Technol. 2008, 21, 181-182.
  

2006

• Organic light-emitting diodes with novel carbazole dendrimer as a photocrosslinking hole-transfer layer.
  Ken Albrecht, Kimihisa Yamamoto
  J. Photopolym. Sci. Technol. 2006, 19, 175-176.
• Dye-sensitized solar cell using π-conjugated dendrimer.
  Norifusa Satoh, Toshio Nakashima, Ken Albrecht, Kimihisa Yamamoto
  J. Photopolym. Sci. Technol. 2006, 19, 141-142.