Hokkaido University

Koji Fushimi

Yasuchika Hasegawa

Takayuki Nakanishi

Yuichi Kitagawa

Mina Kumagai

Masako Kato

Atsushi Kobayashi

Kohei Miyata

Yuichi Hirai

Ayako Nakajima

Shiori Tateno

Masashi Maeda

Akira Kawashima

Fumiya Suzue

Kaori Shima

Satoshi Wada

Marina Kumagai

A rare-earth complex including a rare-earth ion, and a ligand coordinate-bonded to the rare-earth ion and having a condensed polycyclic aromatic group. The condensed polycyclic aromatic group is a residue formed by removing a hydrogen atom bonded to a condensed aromatic ring from a condensed polycyclic aromatic compound represented by the following Formula (I). In Formula (I), Rand Rrepresent hydrogen atoms or groups which are bonded to each other to form one aromatic ring or a condensed aromatic ring including two or more aromatic rings.

Rare-earth complex, light-emitting material, light-emitting object, light-emitting device, interlayer for laminated glass, laminated glass, windshield for vehicle, wavelength conversion material, and security material

Disclosed is a rare earth complex having a rare earth ion and a phosphine oxide ligand that is coordinated with the rare earth ion and is represented by the following formula (I):

Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agriculture

A rare earth complex including a rare earth ion and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group. The condensed polycyclic aromatic group is a residue formed by removing a hydrogen atom from a condensed polycyclic aromatic compound represented by the following formula (I) or (II): 

Rare earth complex and light emitting element

Disclosed is a rare-earth complex polymer including trivalent rare-earth ions and a phosphine oxide bidentate ligand represented by the formula (1). One phosphine oxide bidentate ligand is coordinated to the two rare-earth ions, and crosslinks the same. 

Rare-earth complex polymer

Provided is an organic ligand capable of providing a complex that has a three-dimensional network structure due to rare-earth element ions. Also provided is a coordination polymer which includes this organic ligand, has a new function, and contains rare-earth element ions. Additionally, a process for producing the coordination polymer and a use of the coordination polymer are provided. In particular, provided is a coordination polymer having repeating units of formula (10): wherein each of the variable groups is as defined in the specification.

Polymer complex and production process therefor

Provided are: a rare earth complex which has a novel structure, which exhibits compatibility with organic solvents and resins, and which exhibits excellent luminescent properties as a luminescent element; and a use thereof. This rare earth complex includes: a phosphine oxide compound represented by general formula (1); at least one rare earth ion selected from the group consisting of Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; and a ligand compound. In the rare earth complex, the coordination numbers of the ligand compound and the phosphine oxide compound represented by general formula (1) to the rare earth ion are 8-10, and a plurality of the phosphine oxide compounds represented by general formula (1) and a plurality of the rare earth ions are provided with a crosslinked structure. 

Sheet integrated rare earth complex and use thereof

The present invention relates to Eu (II) compound nanocrystals doped with transition metal ions. Such a constitution generates quantum size effects of an Eu (II) compound nanoparticle, while the transition metal ions can affect a magnetooptical property of the Eu (II) compound nanoparticle. Thus, the magnetooptical property can be improved.

Thin film and nanocrystals of europium(II) compound doped with metal ions

The present invention is produced by a composite with an Eu (II) compound nanoparticle and a metal nanoparticle. Such production generates quantum size effects of the Eu (II) compound nanoparticle, while the surface plasmon of the metal nanoparticle can be used. Thus, the magnetooptical property can be improved. In addition, a thin film may be produced by a composite with an Eu (II) compound nanoparticle and a metal nanoparticle.

Composite thin film and composite nanocrystals containing europium (II) compound and metal

The present invention intends to provide a rare-earth complex polymer having a sufficient heat resistance to be blended in a plastic material and fabricated. A preferable embodiment of the rare-earth complex polymer comprises a plurality of both trivalent rare-earth ions and phosphine oxide multidentate ligands and a crosslinked structure formed by the phosphine oxide multidentate ligands being coordinated to a plurality of the rare-earth ions.

Growing community of inventors

Sapporo, Japan

Koji Fushimi