YOHHEI ADACHI

Last Updated :2026/06/09

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Assistant Professor
Web Site
https://orgmtrls.hiroshima-u.ac.jp/Ohshita_Group/Ohshita_Group-Home.html
E-mail
yadachihiroshima-u.ac.jp
Self-introduction
I am working on the synthesis and characterization of new pi-conjugated molecules incorporating typical elements such as boron.

Basic Information

Major Professional Backgrounds

  • 2017/04/01, 2020/03/31, Hiroshima University, Graduate School of Engineering, Assistant Professor
  • 2019/03/01, 2020/01/31, Rutgers University (USA), Postdoctoral Researcher (Host: Prof. Frieder Jakle)
  • 2022/09, 2023/03, KONICA MINOLTA, Technology development department, Researcher (Cross Appointment)
  • 2020/04/01, Hiroshima University, Graduate School of Advanced Science and Engineering, Assistant Professor

Educational Backgrounds

  • Hiroshima University, Graduate School of Engineering, Department of Applied Chemistry, Japan, 2015/09, 2017/03
  • Hiroshima University, Graduate School of Engineering, Department of Applied Chemistry, Japan, 2014/04, 2015/09
  • Hiroshima University, School of Engineering, Cluster 3, Japan, 2010/04, 2014/03

Academic Degrees

  • Hiroshima University
  • Hiroshima University

Educational Activity

  • [Bachelor Degree Program] School of Engineering : Cluster 3(Applied Chemistry, Biotechnology and Chemical Engineering) : Program of Applied Chemistry
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Smart Innovation Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Applied Chemistry Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Smart Innovation Program

Research Fields

  • Chemistry;Materials chemistry;Organic and hybrid materials

Research Keywords

  • Phosphorescent Materials Siloxanes Antifogging Materials CO2 Separation Membrane Water Separation Membrane Bismuth High refractive index polymer
  • Boron Conjugated polymer Fluoride Ion Sensing Solid-state fluorescence Organic dye Organic field-effect transistor Dye-sensitized solar cell Organic thin film solar cell Mechanofluorochromism

Affiliated Academic Societies

Educational Activity

Course in Charge

  1. 2026, Undergraduate Education, 4Term, Technical English
  2. 2026, Undergraduate Education, 4Term, Exercises in Organic Chemistry
  3. 2026, Undergraduate Education, First Semester, Chemical Experiments I
  4. 2026, Undergraduate Education, Year, Graduation Thesis
  5. 2026, Graduate Education (Master's Program) , 1Term, Special Exercises on Applied Chemistry A
  6. 2026, Graduate Education (Master's Program) , 2Term, Special Exercises on Applied Chemistry A
  7. 2026, Graduate Education (Master's Program) , 3Term, Special Exercises on Applied Chemistry B
  8. 2026, Graduate Education (Master's Program) , 4Term, Special Exercises on Applied Chemistry B
  9. 2026, Graduate Education (Master's Program) , Year, Special Study on Applied Chemistry
  10. 2026, Graduate Education (Master's Program) , 1Term, Special Exercises on Smart Innovation A
  11. 2026, Graduate Education (Master's Program) , 2Term, Special Exercises on Smart Innovation A
  12. 2026, Graduate Education (Master's Program) , 3Term, Special Exercises on Smart Innovation B
  13. 2026, Graduate Education (Master's Program) , 4Term, Special Exercises on Smart Innovation B
  14. 2026, Graduate Education (Master's Program) , Year, Special Study on Smart Innovation
  15. 2026, Graduate Education (Doctoral Program) , Year, Special Study on Smart Innovation

Award of Education

  1. 2021/03/19

Research Activities

Academic Papers

  1. Preparation of urea-containing polysilsesquioxane membranes for CO2 separation designed by model-based research, Polymer Journal, 20260313
    Link to Paper Search Results by DOI
  2. meso-Substitution controlled synthesis of BODIPY-DPM conjugates: a pathway to tailored photophysical properties, Chemical Communications, 62(41), 10496, 20260501
    Link to Paper Search Results by DOI
  3. Synthesis and Antifogging Properties of Glucose-Containing Polysilsesquioxane Organic-Inorganic Hybrid Materials, CHEMISTRY OF MATERIALS, 38(8), 4076-4083, 20260428
    Link to Paper Search Results by DOI
  4. Preparation of Polysilsesquioxane-Based RO Membranes with Urea Units for Water Desalination, MEMBRANES, 15(10), 20251020
    Link to Paper Search Results by DOI
  5. Synthesis of High-Refractive-Index Oligomers Containing Bismuth in the Main Chain, ACS APPLIED POLYMER MATERIALS, 7(21), 14062-14067, 20251114
    Link to Paper Search Results by DOI
  6. Drastic Mechanochromic Luminescence Through Fluorescence-Phosphorescence Switching in a Heavy-Atom-Free Organoboron Compound, ADVANCED OPTICAL MATERIALS, 13(24), 00633, 20250825
    Link to Paper Search Results by DOI
  7. Halochromism in the UV-Vis-NIR Region of Polymers Incorporating Overcrowded Bistricyclic Aromatic Enes, MACROMOLECULAR RAPID COMMUNICATIONS, 46(19), e00319, 20251006
    Link to Paper Search Results by DOI
  8. Effects of aryl substituents on the performance of polysilsesquioxane-based CO2 separation membranes, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 116(1), 849-858, 20250826
    Link to Paper Search Results by DOI
  9. Synthesis of electron-deficient polymers based on sulfur-bridged dithienylboranes as a building block, POLYMER CHEMISTRY, 16(23), 2751-2756, 20250610
    Link to Paper Search Results by DOI
  10. Recent Development of Triarylborane-Based Conjugated Materials, 73(9), 447-449, 20240901
  11. A Practical Application of Machine Learning for the Development of Metallole-Based Fluorescent Materials, MOLECULES, 30(8), 1686, 20250410
    Link to Paper Search Results by DOI
  12. Effects of cross-linking units on the heat resistance and heat insulation properties of polysilsesquioxane-based materials, POLYMER JOURNAL, 56(12), 1231-1235, 20240829
    Link to Paper Search Results by DOI
  13. Gamma-ray-induced modification of poly(ethylene terephthalate) and polypropylene solid materials with halogen-containing olefins for X-ray CT image contrast enhancement, JOURNAL OF APPLIED POLYMER SCIENCE, 141(40), 20241020
    Link to Paper Search Results by DOI
  14. Controlling the thermodynamic stability of conformational isomers of bistricyclic aromatic enes by introducing boron and silicon atoms, CHEMICAL SCIENCE, 15(45), 18985-18991, 20241120
    Link to Paper Search Results by DOI
  15. Pinacol Boronate Ester-Containing Polysilsesquioxane Membranes for CO2 Separation, ACS APPLIED POLYMER MATERIALS, 6(16), 9744-9751, 20240802
    Link to Paper Search Results by DOI
  16. Photophysical properties of donor-acceptor antiaromatic organoboron compounds based on dithienodiborinines, CHEMISTRY LETTERS, 53(8), 20240827
    Link to Paper Search Results by DOI
  17. Twisted diphenoquinones fused with thiophene rings: thiophene analogs of bianthrone, CHEMICAL COMMUNICATIONS, 60(75), 10410-10413, 20240916
    Link to Paper Search Results by DOI
  18. The Preparation of Dithieno[3,2-b:4,5-c']germole, and Its Application as a Donor Unit in Conjugated D-A Compounds, MOLECULES, 29(15), 20240728
    Link to Paper Search Results by DOI
  19. Insights into mechanistic interpretation of crystalline-state reddish phosphorescence of non-planar pi-conjugated organoboron compounds, CHEMICAL SCIENCE, 15(21), 8127-8136, 20240529
    Link to Paper Search Results by DOI
  20. Synthesis of Unsymmetrically Condensed Benzo- and Thienotriazologermoles, MOLECULES, 29(11), 2684, 20240605
    Link to Paper Search Results by DOI
  21. Conjugated Building Blocks Based on Electron-Deficient Thiaborin S-Oxides, ORGANOMETALLICS, 43(8), 829-839, 20240321
    Link to Paper Search Results by DOI
  22. Preparation of Polysilsesquioxane-Based CO2 Separation Membranes with Thermally Degradable Succinic Anhydride and Urea Units, SEPARATIONS, 11(4), 110, 20240402
    Link to Paper Search Results by DOI
  23. Synthesis and Properties of Boron-Containing Heteromerous Bistricyclic Aromatic Enes: Structural Effects on Thermodynamic Stability and Photoreactivity, CHEMISTRY-A EUROPEAN JOURNAL, 29(72), e202302370, 20231222
    Link to Paper Search Results by DOI
  24. Phosphorescence Properties of Boron/Bismuth Hybrid Conjugated Materials, CHEMISTRY-AN ASIAN JOURNAL, 19(7), e202301142, 20240319
    Link to Paper Search Results by DOI
  25. Group 15 Element (As, Sb, Bi)-Substituted Bibenzofurans with Noncovalent Conformational Locks for Enhanced Planarity, ORGANOMETALLICS, 42(23), 3397-3404, 20231121
    Link to Paper Search Results by DOI
  26. Dicyanovinyl-capped thiazologermoles with moderate donor-acceptor interaction as visible photoluminescence turn-on sensors for primary amines, DYES AND PIGMENTS, 219, 111550, 20230718
    Link to Paper Search Results by DOI
  27. Highly luminescent antiaromatic diborinines with fused thiophene rings, DALTON TRANSACTIONS, 52(27), 9389-9397, 20230711
    Link to Paper Search Results by DOI
  28. ★, Conjugated polymers with thiophene-fused thiaborin units and their strong intermolecular interactions, POLYMER JOURNAL, 55, 489-496, 20221116
  29. Synthesis and Optical Properties of Anthryl-substituted Tetracyclic Borepins, CHEMISTRY LETTERS, 51(6), 654-657, 20220421
  30. Preparation of D-A copolymers based on dithiazologermole and germaindacenodithiazole as weak electron donor units, POLYMER JOURNAL, 55, 797-805, 20230324
  31. Preparation of thermally stable 3-glycidyloxypropyl-POSS-derived polysilsesquioxane RO membranes for water desalination, JOURNAL OF MEMBRANE SCIENCE, 668, 121213, 20230215
    Link to Paper Search Results by DOI
  32. Preparation of urea- and isocyanurate-containing polysilsesquioxane membranes for CO2 separation, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 106(1), 149-157, 20221217
    Link to Paper Search Results by DOI
  33. Synthesis of thiazole-condensed germoles with enhanced electron-deficient properties, DYES AND PIGMENTS, 203, 110333, 20220426
    Link to Paper Search Results by DOI
  34. Development of Highly Water-Permeable Robust PSQ-Based RO Membranes by Introducing Hydroxyethylurea-Based Hydrophilic Water Channels, ACS APPLIED MATERIALS & INTERFACES, 14(18), 21426-21435, 20220511
    Link to Paper Search Results by DOI
  35. Development of robust and high-performance polysilsesquioxane reverse osmosis membranes modified by SiO2 nanoparticles for water desalination, SEPARATION AND PURIFICATION TECHNOLOGY, 296, 121421, 20220901
    Link to Paper Search Results by DOI
  36. Synthesis of D-A polymers with a disilanobithiophene donor and a pyridine or pyrazine acceptor and their applications to dyesensitized solar cells, RSC ADVANCES, 5(46), 36673-36679, 2015
  37. Synthesis and Properties of Benzofuran-Fused Silole and Germole Derivatives: Reversible Dimerization and Crystal Structures of Monomers and Dimers, ORGANOMETALLICS, 35(14), 2327-2332, 2016
  38. ★, Synthesis of organic photosensitizers containing dithienogermole and thiadiazolo[3,4-c]pyridine units for dye-sensitized solar cells, DALTON TRANSACTIONS, 45(35), 13817-13826, 2016
  39. Development of type-I/type-II hybrid dye sensitizer with both pyridyl group and catechol unit as anchoring group for type-I/type-II dye-sensitized solar cell, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 18(44), 30662-30676, 2016
  40. Synthesis of pentamethyldisilanyl-substituted starlike molecule with triazine core and its application to dye-sensitized solar cells, JOURNAL OF ORGANOMETALLIC CHEMISTRY, 825, 63-68, 2016
  41. Dithienogermole-containing D-pi-A-pi-A Photosensitizers for Dye-sensitized Solar Cells, CHEMISTRY LETTERS, 46(3), 310-312, 2017
  42. Synthesis, optical and electrochemical properties, and photovoltaic performance of a panchromatic and near-infrared (D)(2-pi-A) type BODIPY dye with pyridyl group or cyanoacrylic acid, RSC ADVANCES, 7(22), 13072-13081, 2017
  43. Preparation of Dithienogermole-containing Polysilsesquioxane Films for Sensing Nitroaromatics, CHEMISTRY LETTERS, 46(4), 438-441, 2017
  44. Synthesis of dithienogermole-containing polythiophenes, SYNTHETIC METALS, 227, 87-92, 2017
  45. Studies on Spherically Distributed LUMO and Electron-Accepting Properties of Caged Hexakis(germasesquioxanes), ORGANOMETALLICS, 36(14), 2536-2540, 2017
  46. ★, Hybrid conjugated polymers with alternating dithienosilole or dithienogermole and tricoordinate boron units, POLYMER CHEMISTRY, 9(3), 291-299, 20180121
  47. Modification of TiO2 Surface by Disilanylene Polymers and Application to Dye-Sensitized Solar Cells, INORGANICS, 6(1), 3, 20171226
  48. ★, Synthesis and Properties of Benzo[d]dithieno[b,f]borepins, ORGANOMETALLICS, 37(6), 869-881, 20180221
  49. Optical and Photosensitizing Properties of Spiro (dipyridinogermole)(dithienogermole)s with Eletron-Donating Amino and Electron-Withdrawing Pyridinothiadiazole Substituents, CHEMISTRYSELECT, 3(30), 8604-8609, 20180808
  50. Hydrophobic modification of SiO2 surface by aminosilane derivatives, COMPOSITE INTERFACES, 26(1), 15-25, 20190426
    Link to Paper Search Results by DOI
  51. Hydrophobic modification of SiO2 surface with disilanobiphenyl and disilanobithiophene and the application to pentacene-based organic transistors, COMPOSITE INTERFACES, 26(3), 221-231, 20190304
    Link to Paper Search Results by DOI
  52. Preparation and reactions of 4,4-dilithiodithienogermole, JOURNAL OF ORGANOMETALLIC CHEMISTRY, 883, 47-51, 20190315
    Link to Paper Search Results by DOI
  53. ★, Intramolecular Energy Transfer in Dithienogermole Derivatives, CHEMISTRY-A EUROPEAN JOURNAL, 25(19), 4974-4983, 20190401
    Link to Paper Search Results by DOI
  54. Synthesis, Properties, and Complex Formation of Antimony- and Bismuth-Bridged Bipyridyls, ORGANOMETALLICS, 38(7), 1516-1523, 20190408
    Link to Paper Search Results by DOI
  55. Synthesis of Pyridinothienogermoles as Unsymmetrically Condensed Germoles, ORGANOMETALLICS, 38(7), 1606-1613, 20190408
    Link to Paper Search Results by DOI
  56. Luminescent Di- and Tetranuclear Gold Complexes of Bis(diphenylphosphinyl)-Functionalized Dipyrido-Annulated N-Heterocyclic Carbene, INORGANIC CHEMISTRY, 58(9), 6328-6335, 20190506
    Link to Paper Search Results by DOI
  57. Bis(diphenylphosphinyl)-functionalized dipyrido-annulated NHC towards copper(i) and silver(i), DALTON TRANSACTIONS, 48(32), 12250-12256, 20190828
    Link to Paper Search Results by DOI
  58. Helical assembly of a dithienogermole exhibiting switchable circularly polarized luminescence, CHEMICAL COMMUNICATIONS, 55(71), 10607-10610, 20190914
    Link to Paper Search Results by DOI
  59. Synthesis and optical properties of polymers with bithiophene condensed with disilacyclohexadiene rings and benzothiadiazole, JOURNAL OF ORGANOMETALLIC CHEMISTRY, 900, 20191101
    Link to Paper Search Results by DOI
  60. Direct comparison of dithienosilole and dithienogermole as pi-conjugated linkers in photosensitizers for dye-sensitized solar cells, DALTON TRANSACTIONS, 48(44), 16671-16678, 20191128
    Link to Paper Search Results by DOI
  61. NIR-shielding films based on PEDOT-PSS/polysiloxane and polysilsesquioxane hybrid, JOURNAL OF APPLIED POLYMER SCIENCE, 137(7), 20200215
    Link to Paper Search Results by DOI
  62. Synthesis of nonplanar bipyridyls bridged by disilane and disiloxane and their phosphorescent copper complexes, APPLIED ORGANOMETALLIC CHEMISTRY, 34(1), 20200111
    Link to Paper Search Results by DOI
  63. The Substituent Effect of Bridged Triarylamine Helicenes on Light-emitting and Charge Transfer Properties, CHEMISTRY LETTERS, 49(5), 457-460, 20200227
    Link to Paper Search Results by DOI
  64. Synthesis and optical properties of compounds via platinum-catalyzed hydrosilylation of triethynyltriazine and silyl-substituted oligothiophenes, JOURNAL OF ORGANOMETALLIC CHEMISTRY, 917, 121275, 20200409
    Link to Paper Search Results by DOI
  65. ★, Extended conjugated borenium dimers via late stage functionalization of air-stable borepinium ions, CHEMICAL COMMUNICATIONS, 56(38), 5119-5122, 20200416
    Link to Paper Search Results by DOI
  66. Synthesis and properties of hypervalent electron-rich pentacoordinate nitrogen compounds, CHEMICAL SCIENCE, 11(19), 5082-5088, 20200422
    Link to Paper Search Results by DOI
  67. Synthesis of spiro(dipyridinogermole)(dithienogermole)-copper complexes, JOURNAL OF ORGANOMETALLIC CHEMISTRY, 921, 121297, 20200520
    Link to Paper Search Results by DOI
  68. Crystal Structures and Phosphorescent Properties of Group 14 Dipyridinometalloles and Their Copper Complexes, CHEMPLUSCHEM, 85(8), 1912-1918, 20200826
    Link to Paper Search Results by DOI
  69. Optical Properties of Silicon Nanosheets Modified with Triphenylamine and Quinoline Units: Charge and Energy Transfer from Conjugated Substituents to the Catenated Silicon Backbone, JOURNAL OF PHYSICAL CHEMISTRY C, 124(31), 17347-17351, 20200708
    Link to Paper Search Results by DOI
  70. Photo-energy Transfer in sigma-pi Conjugated Polysilanes Prepared by Platinum-catalyzed Reactions of Arylacetylenes with Layered Polysilane, CHEMISTRY LETTERS, 49(10), 1174-1177, 20200704
    Link to Paper Search Results by DOI
  71. Synthesis of spiro(dipyridinogermole)(dithienogermole)-copper complexes, JOURNAL OF ORGANOMETALLIC CHEMISTRY, 921, 121297, 20200520
  72. Optical Properties of Silicon Nanosheets Modified with Triphenylamine and Quinoline Units: Charge and Energy Transfer from Conjugated Substituents to the Catenated Silicon Backbone, JOURNAL OF PHYSICAL CHEMISTRY C, 124(31), 17347-17351, 20200708
  73. Complexation of B(C6F5)(3) and 9,10-Dicyanoanthracene: Dual Role of Borane as Spatial and Electronic Tuner, CHEMISTRY LETTERS, 49(9), 1022-1025, 202009
    Link to Paper Search Results by DOI
  74. Complexation of B(C6F5)(3) and 9,10-Dicyanoanthracene: Dual Role of Borane as Spatial and Electronic Tuner, CHEMISTRY LETTERS, 49(9), 1022-1025, 2020
  75. Photo-energy Transfer in sigma-pi Conjugated Polysilanes Prepared by Platinum-catalyzed Reactions of Arylacetylenes with Layered Polysilane, CHEMISTRY LETTERS, 49(10), 1174-1177, 20200704
  76. ★, Thiophene-based twisted bistricyclic aromatic ene with tricoordinate boron: a new n-type semiconductor, CHEMICAL COMMUNICATIONS, 57(11), 20210113
  77. ★, Optical Characteristics of Hybrid Macrocycles with Dithienogermole and Tricoordinate Boron Units, CHEMISTRY-A EUROPEAN JOURNAL, 27(10), 3306-3314, 20210202
  78. Synthesis of spirodithienogermole with triphenylamine units as a dopant-free hole-transporting material for perovskite solar cells, JOURNAL OF MATERIALS CHEMISTRY C, 9(6), 2001-2007, 20210108
  79. ★, Effect of the conjugation pathway on the electronic structures of p-pi* conjugated polymers with fused borepin units, POLYMER CHEMISTRY, 12(23), 3471-3477, 20210621
    Link to Paper Search Results by DOI
  80. Preparation of polysilsesquioxane reverse osmosis membranes for water desalination from tris[(ethoxysilyl)alkyl]amines by sol-gel process and interfacial polymerization, APPLIED ORGANOMETALLIC CHEMISTRY, 35(11), e6374, 20210718
    Link to Paper Search Results by DOI
  81. Synthesis and optical properties of disiloxane-linked decathiophene and dodecathiophene polymers, POLYMER JOURNAL, 54(1), 91-96, 20210924
    Link to Paper Search Results by DOI
  82. Development of Highly Water-Permeable Robust PSQ-Based RO Membranes by Introducing Hydroxyethylurea-Based Hydrophilic Water Channels, ACS APPLIED MATERIALS & INTERFACES, 14(18), 21426-21435, 20220429
  83. Development of PSQ-RO membranes with high water permeability by copolymerization of bis[3-(triethoxysilyl)propyl]amine and triethoxy (3-glycidyloxypropyl)silane, JOURNAL OF MEMBRANE SCIENCE, 644, 120162, 20220215
    Link to Paper Search Results by DOI
  84. m-Phenylene linked macrocycle composed of electron-rich dithienogermole and electron-deficient tricoordinate boron units, POLYMER, 239, 124404, 20220117
    Link to Paper Search Results by DOI
  85. Optical Properties of Boron-Incorporated Analogues of Tetrathienoanthracene, ORGANOMETALLICS, 41(10), 1225-1231, 20220523
    Link to Paper Search Results by DOI
  86. Preparation of amine- and ammonium-containing polysilsesquioxane membranes for CO2 separation, POLYMER JOURNAL, 54(7), 875-882, 20220324
    Link to Paper Search Results by DOI

Publications such as books

  1. 2017/12/19, Main Group Strategies towards Functional Hybrid Materials, Germanium and Tin in Conjugated Organic Materials, Wiley, 2017, 12, Scholarly Book, Joint work, English, Y Adachi, J Ohshita, 9781119235972, 515

Invited Lecture, Oral Presentation, Poster Presentation

  1. Solid-State Phosphorescence Properties of Thiophene-Fused Borepin Derivatives, 2026/03/17, Without Invitation, Japanese
  2. Solid-state phosphorescence and mechanochromic luminescence of non-planar triarylboranes, Yohei Adachi, Joji Ohshita, PacifiChem 2025, 2025/12/19, Without Invitation, English
  3. Electron-deficient polymers based on planarized dithienylborane as a building block, Yohei Adachi, Ryuji Matsuura, Joji Ohshita, PacifiChem 2025, 2025/12/19, Without Invitation, English
  4. Synthesis and Optical Properties of Planarized Dithienylboranes, Yohei Adachi, Ryuji Matsuura, Joji Ohshita, 22nd International Symposium on Organometallic Chemistry Directed Towards Organic Synthesis, 2025/09/01, Without Invitation, English
  5. A Chemistry Lecture for Non-chemistry Majors, 2025/08/28, Without Invitation, Japanese
  6. Synthesis and Properties of Electron-Deficient Polymers Incorporating Tricoordinate Boron in the Main Chain, Yohei Adachi, Ryuji Matsuura, Joji Ohshita, The 19th Pacific Polymer Conference, 2025/07/06, Without Invitation, English
  7. Development of Conjugated Materials Containing Bismuth, Yohei ADACHI, Shota TERAO, and Joji OHSHITA, 73rd Symposium on Macromolecules, 2024/09/25, With Invitation, Japanese
  8. Control of Conformers of Bistricyclic Aromatic Enes (BAEs) Using Heteroatoms, Yohei Adachi, Kohei Yamada, Joji Ohshita, The 34th Symposium on Physical Organic Chemistry, 2024/09/11, Without Invitation, Japanese
  9. Polysilsesquioxane-based CO2 separation membranes containing boronic acid ester, Yohei Adachi, Tsubasa Yoshio, Kohei Kajimura, Masakoto Kanezashi, Toshinori Tsuru, Joji Ohshita, The 20th International Symposium on Silicon Chemistry, 2024/05/12, Without Invitation, English
  10. Synthesis and Optical Properties of New Conjugated Polymers with Boron-Containing Aromatic Rings, 2023/09/26, Without Invitation, Japanese
  11. Mechanochromic Luminescence of Borepin Derivatives with Phosphorescence, Yohei Adachi, Maho Kurihara, and Joji Ohshita, Annual Meeting on Photochemistry 2023, 2023/09/05, Without Invitation, Japanese
    Related URL
  12. Optical Properties of Conjugated 7- and 6-Membered Ring Systems with Boron, Yohei Adachi, 2022 Japan-US nanohybrid workshop, 2022/11/29, With Invitation, English, Prof. Joji Ohshita, Hiroshima University Prof. Takahiro Gunji , Tokyo Science University Prof. Yoshiro Kaneko, Kagoshima University Prof. Kevin Noonan , Carnegie Mellon University Prof. Jeffrey Pyun , The University of Arizona, Mishima, Japan
    Related URL
  13. Energy Transfer Properties of Dithienogermole-Based Molecules, Yohei ADACHI, Joji OHSHITA, 19th International Symposium on Silicon Chemistry, 2021/07/02, Without Invitation, English, Toulouse, France
  14. Stable conjugated borenium cation system with borepin structure, Yohei Adachi, Frieder Jäkle, Joji Ohshita, The 100th CSJ Annual Meeting, 2020/03/22, Without Invitation, English, The Chemical Society of Japan, Noda Campus, Tokyo University of Science, Chiba, Japan
    Related URL
  15. Synthesis and Properties of Benzo[d]-Annulated Dithieno[b,f]borepins, Yohei Adachi, Joji Ohshita, 10th US-Japan Hybrid Materials Workshop, 2018/06/17, Without Invitation, English, Newark, USA
  16. Photophysical Properties of Benzo[d]dithieno[b,f]borepins, Yohei Adachi, Joji Ohshita, The 15th International Symposium on Inorganic Ring Systems (IRIS-15), 2018/06/24, Without Invitation, English, Kyoto, Japan
  17. Photophysical properties of highly-fused borepin derivatives and their polymers, Yohei Adachi, Takanori Nomura, Fuka Arai, Joji Ohshita, 67th Symposium on Macromolecules, 2018/09/12, Without Invitation, Japanese, Sapporo, Japan

Awards

  1. 2018/12/21, IPC2018 Poster Award: NPG Asia Materials Award, IPC2018, Synthesis and Properties of Benzo[d]dithieno[b,f]borepins and Their Polymers

External Funds

Acceptance Results of Competitive Funds

  1. 2026/04/01, 2027/03/31
  2. 2026/04/01, 2026/03/31
  3. 2026/06/01, 2027/05/31
  4. 2026/03/01, 2027/09/30
  5. 2025/04/01, 2026/03/31
  6. Adaptable and Seamless Technology transfer Program through targetdriven R&D(A-STEP), 2022/10/01, 2024/03/31
  7. 2023/04, 2024/03
  8. KAKENHI(Grant-in-Aid for Early-Career Scientists), 2022, 2023
  9. Adaptable and Seamless Technology transfer Program through targetdriven R&D(A-STEP), 2022/10/01, 2024/03/31
  10. Grant-in-Aid for Early-Career Scientists, Development of organic chromic materials utilizing the characteristics of heteroatoms, 2022/04/01, 2024/03/31
  11. Adaptable and Seamless Technology transfer Program through targetdriven R&D(A-STEP), 2020/11/02, 2022/03/31
  12. 2021/10, 2022/09
  13. Adaptable and Seamless Technology transfer Program through targetdriven R&D(A-STEP), 2020/11/02, 2022/03/31
  14. 2020, 2021
  15. 2018/04/01, 2019/03/31
  16. KAKENHI(Grant-in-Aid for Early-Career Scientists), 2019, 2021
  17. KAKENHI(Grant-in-Aid for Research Activity Start-up), 2017, 2018

Social Activities

History as Peer Reviews of Academic Papers

  1. ACS Appl. Energy Mater., Others, 3
  2. ACS Appl. Polym.Mater., Others, 2
  3. ACS Omega, Others, 2
  4. Adv. Opt. Mater., Others, 1
  5. Aggregate, Others, 4
  6. Asian J. Org. Chem., Others, 1
  7. Bull. Chem. Soc. Jpn., Others, 1
  8. Chem. Asian. J, Others, 1
  9. Chem. Eur. J, Others, 3
  10. Chem. Sci., Others, 5
  11. Des. Monomers Polym., Others, 1
  12. Dye Pigm., Others, 1
  13. Eur. J. Org. Chem., Others, 1
  14. Inorg. Chem., Others, 1
  15. Int. J. Polym. Anal. Charact., Others, 1
  16. J. Photochem. Photobiol. A, Others, 3
  17. J. Am. Chem. Soc., Others, 1
  18. Macromol. Rapid Commun., Others, 2
  19. Nat. Chem., Others, 1
  20. Nat. Commun., Others, 1
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