Kyushu University

Kyulux, Inc.

Chuanjiang Qin

Chihaya Adachi

Toshinori Matsushima

Sangarange Don Atula Sandanayaka

Fatima Bencheikh

Takeshi Komino

An organic-inorganic perovskite satisfying E<Eand E-E≤0.1 eV has a high emission efficiency. Erepresents the excited singlet energy level in emission of an inorganic component, Erepresents the excited triplet energy level in emission of an inorganic component, Erepresents the excited triplet energy level in emission of an organic component.

Organic-inorganic perovskite, film, light-emitting film, delayed fluorescence-emitting film, light-emitting element, and method for producing light-emitting element

An organic light-emitting device having a perovskite layer having a thickness of 50 nm or more has a low drive voltage and a high power efficiency, and can suppress interelectrode short-circuiting and current leakage.

Organic light-emitting element

Stable perovskite films having substantially-no phase transition within a predetermined temperature range are disclosed. In the films, formation of carrier traps is suppressed. Thermally stable perovskite solar cells and light-emitting devices using the films are also disclosed.

Perovskite film, method for producing the same, light-emitting device and solar cell

Using a perovskite-type compound, an inexpensive host material having a high carrier mobility can be provided. Using a perovskite-type compound as a host material, an inexpensive organic light-emitting device having a high emission efficiency can be realized.

Film and organic light-emitting device containing perovskite-type compound and organic light-emitting material

A two-dimensional perovskite forming material with an ammonium halide group disposed on its surface can achieve a high carrier mobility. Preferably, the two-dimensional perovskite forming material includes a monolayer that has such an ammonium halide group at a terminal of its molecular structure, and the ammonium halide group in the monolayer is disposed in an ordered fashion on the surface of the material.

Growing community of inventors

Fukuoka, Japan

Chuanjiang Qin