All Stories

  1. Solution-Processable Near-Infrared-Absorbing Dye: Thiophene-Substituted N-Phenylphenothiazine Radical Cations for Stable Thin Films

    Article • Colorants, April 2026, MDPI AG

    Ph.D. Yukiyasu Kashiwagi

  2. Branched Alkyl Chain-Guided Modulation of BODIPY Packing Polymorphism for Engineering Thin-Film J-Aggregates

    Article • ACS Applied Materials & Interfaces, March 2026, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  3. Side-Chain Engineering of Oligothiophene-Extended Triphenylamines for Stable Radical Cations with NIR-II to NIR-III Absorption

    Article • Organic Electronics, March 2026, Elsevier

    Ph.D. Yukiyasu Kashiwagi

  4. Crystal structure of tris[4-(3,4-dimethoxythiophen-2-yl)phenyl]amine

    Article • Acta Crystallographica Section E Crystallographic Communications, January 2026, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  5. Synthesis and crystal structure of bis[μ 2 -7-({bis[(pyridin-2-yl)methyl]amino-κ 3 N , N ...

    Article • Acta Crystallographica Section E Crystallographic Communications, January 2026, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  6. Metastable Molecular Cocktail of Crystalline and Liquid Difluoroboron β-Diketonate Complexes

    Article • Langmuir, September 2025, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  7. Synthesis and crystal structure of anti-10-(4-cyanophenyl)-10,11,22,23-tetrahydro-9H,21H-5,8:15,12-bis(metheno)[1,5,11]triazacyclohexadecino[1,16-a:5,6-a′]diindole dichloromethane monosolvate

    Article • Acta Crystallographica Section E Crystallographic Communications, January 2025, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  8. N-Phenylphenothiazine Radical Cation with Extended π-Systems: Enhanced Heat Resistance of Triarylamine Radical Cations as Near-Infrared Absorbing Dyes

    Article • Colorants, December 2024, MDPI AG

    Ph.D. Yukiyasu Kashiwagi

  9. Crystal structure of (μ2-7-{[bis(pyridin-2-ylmethyl)amino-1κ3 N,N′,N′′]methyl}-5-chloroquinolin-8-olato-2κN;1:2κ2 O)trichlorido-1κCl,2κ2...

    Article • Acta Crystallographica Section E Crystallographic Communications, October 2024, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  10. Crystal structure of the 1:1 co-crystal 4-(dimethylamino)pyridin-1-ium 8-hydroxyquinoline-5-sulfonate–N,N-dimethylpyridin-4-amine

    Article • Acta Crystallographica Section E Crystallographic Communications, July 2024, International Union of Crystallography

    Yukiyasu Kashiwagi, Ph.D. Yukiyasu Kashiwagi

  11. Crystal structure and Hirshfeld surface analysis of (1H-imidazole-κN 3)[4-methyl-2-({[2-oxido-5-(2-phenyldiazen-1-yl)phenyl]methylidene}amino)pentanoate-κ3 O,N,O...

    Article • Acta Crystallographica Section E Crystallographic Communications, April 2024, International Union of Crystallography

    Takashiro Akitsu, Ph.D. Yukiyasu Kashiwagi

  12. Synthesis and properties of thieno[3,2-b]thiophene appended triarylamine radical cations: Near-infrared absorbing dye with absorption beyond 1400 nm

    Article • Dyes and Pigments, March 2024, Elsevier

    Ph.D. Yukiyasu Kashiwagi

  13. Comprehensive analysis of C–H⋯π(alkyne) interactions in the crystal packing of diastereomers of 1,2-di(7′-methoxynaphth-1′-yl)-3,6-di(4′′-n-propylphenylethynyl)benzene

    Article • CrystEngComm, January 2024, Royal Society of Chemistry

    Ph.D. Yukiyasu Kashiwagi

  14. Synthesis of Optically Active [3.3](3,9)Carbazolophane Derivatives and Their Chiroptical Properties

    Article • Chemistry Letters, November 2023, Oxford University Press (OUP)

    Ph.D. Yukiyasu Kashiwagi

  15. Antifreezing Effect of the Central Metal on Porphyrin Supercooled Liquid and Glass

    Article • Crystal Growth & Design, August 2023, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  16. Crystal structure of poly[(acetonitrile-κN)(μ3-7-{[bis(pyridin-2-ylmethyl)amino]methyl}-8-hydroxyquinoline-5-sulfonato-κ4 N,O:O′:O′′)sodium]

    Article • Acta Crystallographica Section E Crystallographic Communications, July 2023, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  17. Substituent Control of Near-Infrared Absorption of Triphenylamine Radical Cation

    Article • Colorants, August 2022, MDPI AG

    Ph.D. Yukiyasu Kashiwagi

  18. Near-Infrared Absorbing Molecule Based on Triphenylamine Radical Cation with Extended Homoaryl π-System

    Article • Colorants, June 2022, MDPI AG

    Ph.D. Yukiyasu Kashiwagi

  19. Synthesis and crystal structure of anti-10-butyl-10,11,22,23-tetrahydro-9H,21H-5,8:15,12-bis(metheno)[1,5,11]triazacyclohexadecino[1,16-a:5,6-a′]diindole

    Article • Acta Crystallographica Section E Crystallographic Communications, April 2022, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  20. Crystal structure of N-(1H-indol-2-ylmethylidene)-4-methoxyaniline

    Article • Acta Crystallographica Section E Crystallographic Communications, March 2022, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  21. Crystal structure of (7-{[bis(pyridin-2-ylmethyl)amino-κ3 N,N′,N′′]methyl}-5-chloroquinolin-8-ol)dibromidozinc(II)

    Article • Acta Crystallographica Section E Crystallographic Communications, February 2022, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  22. Near-infrared absorption of a benzothiophene-appended triphenylamine radical cation: A novel molecular design of NIR-II dye

    Article • Dyes and Pigments, January 2022, Elsevier

    Ph.D. Yukiyasu Kashiwagi

  23. Helically aligned fused carbon hollow nanospheres with chiral discrimination ability

    Article • Nanoscale, January 2022, Royal Society of Chemistry

    Ph.D. Yukiyasu Kashiwagi

  24. Electrical and cyclic bending properties of screen-printed conductive patterns containing different ratios of silver microparticles and silver microflakes

    Article • Microelectronics Reliability, August 2021, Elsevier

    Ph.D. Yukiyasu Kashiwagi

  25. Crystal structure of bis[μ-N-(η2-prop-2-en-1-yl)piperidine-1-carbothioamide-κ2 S:S]bis[(thiocyanato-κN)copper(I)]

    Article • Acta Crystallographica Section E Crystallographic Communications, October 2020, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  26. Crystal structure of tris[4-(naphthalen-1-yl)phenyl]amine

    Article • Acta Crystallographica Section E Crystallographic Communications, September 2020, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  27. Crystal structure of 7,7′-[(pyridin-2-yl)methylene]bis(5-chloroquinolin-8-ol)

    Article • Acta Crystallographica Section E Crystallographic Communications, July 2020, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  28. Photo- and Redox-active Benzofuran-appended Triphenylamine and Near-infrared Absorption of Its Radical Cation

    Article • Chemistry Letters, June 2020, Oxford University Press (OUP)

    Ph.D. Yukiyasu Kashiwagi

  29. Crystal structure of catena-poly[[[bis(3-oxo-1,3-diphenylprop-1-enolato-κ2 O,O′)zinc(II)]-μ2-tris[4-(pyridin-3-yl)phenyl]amine-κ2 N:N′] tetrahydrofu...

    Article • Acta Crystallographica Section E Crystallographic Communications, September 2019, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  30. Preferential Incorporation of Administered Eicosapentaenoic Acid Into Thin-Cap Atherosclerotic Plaques

    Article • Arteriosclerosis Thrombosis and Vascular Biology, September 2019, Wolters Kluwer Health

    Ph.D. Yukiyasu Kashiwagi

  31. Effect of surface treatment of printed Ag Schottky contacts on n-GaN epitaxial layers using Ag nanoink: Two dimensional characterization by scanning internal photoemission microscopy

    Article • Japanese Journal of Applied Physics, June 2018, Institute of Physics Publishing

    Ph.D. Yukiyasu Kashiwagi

  32. Structural analysis of micrometer-long gold nanowires using a wormlike chain model and their rheological properties

    Article • Soft Matter, January 2017, Royal Society of Chemistry

    Ph.D. Yukiyasu Kashiwagi

  33. Crystal structure of 7-hydroxy-8-[(4-methylpiperazin-1-yl)methyl]-2H-chromen-2-one

    Article • Acta Crystallographica Section E Crystallographic Communications, November 2016, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  34. Acquisition of cell-adhesion capability of the surface of crosslinked albumin films irradiated with atmospheric-pressure plasma jets

    Article • Japanese Journal of Applied Physics, June 2016, Institute of Physics Publishing

    Ph.D. Yukiyasu Kashiwagi

  35. Direct electrode patterning on layered GaN on sapphire substrate by using needle-type dispenser system of Ag nanoinks

    Article • April 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Ph.D. Yukiyasu Kashiwagi

  36. Changes in Cell Adhesiveness and Physicochemical Properties of Cross-Linked Albumin Films after Ultraviolet Irradiation

    Article • Langmuir, December 2015, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  37. Crystal structure of 7-{[bis(pyridin-2-ylmethyl)amino]methyl}-5-chloroquinolin-8-ol

    Article • Acta Crystallographica Section E Crystallographic Communications, November 2015, International Union of Crystallography

    Ph.D. Yukiyasu Kashiwagi

  38. Fine-pitch copper wiring formed in a platingless process using ultra-fine inkjet and oxygen pump

    Article • April 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Ph.D. Yukiyasu Kashiwagi

  39. Fabrication and Characterization of GaN-Based Blue Light-Emitting Diode with Electrodes Formed by Screen Printing

    Article • Journal of the Society of Materials Science Japan, January 2015, Society of Materials Science, Japan

    Ph.D. Yukiyasu Kashiwagi

  40. Direct transparent electrode patterning on layered GaN substrate by screen printing of indium tin oxide nanoparticle ink for Eu-doped GaN red light-emitting diode

    Article • Applied Physics Letters, December 2014, American Institute of Physics

    Ph.D. Yukiyasu Kashiwagi

  41. A Development of Atmospheric Pressure Plasma Equipment and Its Applications for Treatment of Ag Films Formed from Nano-Particle Ink

    Article • Journal of Physics Conference Series, June 2013, Institute of Physics Publishing

    Dr Kenji Ishikawa, Ph.D. Yukiyasu Kashiwagi

  42. Fine-Pitch Copper Wiring Formed with Super-Inkjet and Oxygen Pump

    Article • Japanese Journal of Applied Physics, May 2013, Institute of Physics Publishing

    Ph.D. Yukiyasu Kashiwagi

  43. Negative Magnetoresistance of Indium Tin Oxide Nanoparticle Thin Films Grown by Chemical Thermolysis

    Article • Journal of the Physical Society of Japan, February 2013, Physical Society of Japan

    Ph.D. Yukiyasu Kashiwagi

  44. “ON–OFF” switching of europium complex luminescence coupled with a ligand redox process

    Article • Chemical Communications, January 2012, Royal Society of Chemistry

    Ph.D. Yukiyasu Kashiwagi

  45. Multiple photosynthetic reaction centers composed of supramolecular assemblies of a zinc porphyrin dendrimer with pyridylnaphthalenediimide

    Article • Journal of Porphyrins and Phthalocyanines, November 2011, World Scientific Pub Co Pte Lt

    Ph.D. Yukiyasu Kashiwagi

  46. A Low-Temperature Pressureless Bonding Process Using a Trimodal Mixture System of Ag Nanoparticles

    Article • Journal of Electronic Materials, October 2011, Springer Science + Business Media

    Ph.D. Yukiyasu Kashiwagi

  47. Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor

    Article • Chemical Communications, January 2011, Royal Society of Chemistry

    Ph.D. Yukiyasu Kashiwagi

  48. Synthesis of Ag–Pd Alloy Nanoparticles Suitable as Precursors for Ionic Migration-Resistant Conductive Film

    Article • Bulletin of the Chemical Society of Japan, November 2010, The Chemical Society of Japan

    Ph.D. Yukiyasu Kashiwagi

  49. The Detection of Glycosphingolipids in Brain Tissue Sections by Imaging Mass Spectrometry Using Gold Nanoparticles

    Article • Journal of the American Society for Mass Spectrometry, August 2010, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  50. Imaging mass spectrometry with silver naeoparticles reveals the distribution of fatty acids in mouse retinal sections

    Article • Journal of the American Society for Mass Spectrometry, August 2010, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  51. A Low-Temperature Bonding Process Using Mixed Cu–Ag Nanoparticles

    Article • Journal of Electronic Materials, April 2010, Springer Science + Business Media

    Ph.D. Yukiyasu Kashiwagi

  52. Size-controlled Synthesis of Gold Nanoparticles by Thermolysis of a Gold(I)-Sulfide Complex in the Presence of Alkylamines

    Article • Zeitschrift für Naturforschung B, December 2009, De Gruyter

    Ph.D. Yukiyasu Kashiwagi

  53. Colorimetric response to mercury-induced abstraction of triethylene glycol ligands from a gold nanoparticle surface

    Article • Dalton Transactions, January 2008, Royal Society of Chemistry

    Shinobu Itoh, Ph.D. Yukiyasu Kashiwagi

  54. Solvent-Free Controlled Thermolysis for Facile Size-Regulated Synthesis of Metal and Alloy Nanoparticles

    Article • January 2008, Elsevier

    Ph.D. Yukiyasu Kashiwagi

  55. Shape-controlled Synthesis of Octahedral Gold Nanocrystals in the Poly(N-vinyl-2-pyrrolidone) Matrix via Reduction of HAuCl4

    Article • Chemistry Letters, November 2007, The Chemical Society of Japan

    Ph.D. Yukiyasu Kashiwagi

  56. Photoinduced electron transfer in a supramolecular triad system composed of ferrocene-zinc porphyrin-pyridylnaphtha-lenediimide

    Article • Journal of Porphyrins and Phthalocyanines, May 2007, World Scientific Pub Co Pte Lt

    Ph.D. Yukiyasu Kashiwagi

  57. An extremely long-lived charge-separated state of zinc tetraphenylporphyrin coordinated with pyridylnaphthalene-diimide

    Article • Journal of Porphyrins and Phthalocyanines, December 2006, World Scientific Pub Co Pte Lt

    Ph.D. Yukiyasu Kashiwagi

  58. Size-Controlled Synthesis of Monodispersed Silver Nanoparticles Capped by Long-Chain Alkyl Carboxylates from Silver Carboxylate and Tertiary Amine

    Article • Langmuir, September 2006, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  59. Facile size-regulated synthesis of silver nanoparticles by controlled thermolysis of silver alkylcarboxylates in the presence of alkylamines with different chain lengths

    Article • Journal of Colloid and Interface Science, August 2006, Elsevier

    Ph.D. Yukiyasu Kashiwagi

  60. Synthesis and Morphology of Star-Shaped Gold Nanoplates Protected by Poly(N-vinyl-2-pyrrolidone)

    Article • Chemistry of Materials, November 2005, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  61. Synthesis and size regulation of gold nanoparticles by controlled thermolysis of ammonium gold(I) thiolate in the absence or presence of amines

    Article • Inorganica Chimica Acta, November 2005, Elsevier

    Ph.D. Yukiyasu Kashiwagi

  62. Supramolecular Photovoltaic Cells Based on Composite Molecular Nanoclusters:  Dendritic Porphyrin and C60, Porphyrin Dimer and C60, and Porphyrin−C60Dyad

    Article • The Journal of Physical Chemistry, August 2004, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  63. Long-Lived Charge-Separated State Generated in a Ferrocene–meso,meso-Linked Porphyrin Trimer–Fullerene Pentad with a High Quantum Yield

    Article • Chemistry - A European Journal, July 2004, Wiley

    Ph.D. Yukiyasu Kashiwagi

  64. Supramolecular Photovoltaic Cells Using Porphyrin Dendrimers and Fullerene

    Article • Advanced Materials, June 2004, Wiley

    Ph.D. Yukiyasu Kashiwagi

  65. Structure and Photophysical Properties of Porphyrin-Modified Metal Nanoclusters with Different Chain Lengths

    Article • Langmuir, January 2004, American Chemical Society (ACS)

    Professor Yoshinobu Nishimura, Ph.D. Yukiyasu Kashiwagi

  66. A Molecular Tetrad Allowing Efficient Energy Storage for 1.6 s at 163 K

    Article • The Journal of Physical Chemistry A, January 2004, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  67. Long-Lived Charge-Separated State Produced by Photoinduced Electron Transfer in a Zinc Imidazoporphyrin-C60Dyad

    Article • Organic Letters, July 2003, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  68. Strong Inhibition of Singlet Oxygen Sensitization in Pyridylferrocene−Fluorinated Zinc Porphyrin Supramolecular Complexes

    Article • The Journal of Physical Chemistry A, July 2003, American Chemical Society (ACS)

    Ph.D. Yukiyasu Kashiwagi

  69. Metal and size effects on structures and photophysical properties of porphyrin-modified metal nanoclusters

    Article • Journal of Materials Chemistry, January 2003, Royal Society of Chemistry

    Professor Yoshinobu Nishimura, Ph.D. Yukiyasu Kashiwagi

  70. Chiral Recognition of α-Amino Esters on the Chiral Helical Surface of Zinc Bilinone

    Article • Chemistry Letters, September 2000, The Chemical Society of Japan

    Ph.D. Yukiyasu Kashiwagi