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1. WO2020008186 - ORGANIC PHOTODETECTOR

Publication Number WO/2020/008186
Publication Date 09.01.2020
International Application No. PCT/GB2019/051876
International Filing Date 02.07.2019
IPC
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51
Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
42
specially adapted for sensing infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation; specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
27
Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
28
including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part
30
with components specially adapted for sensing infra-red radiation, light, electromagnetic radiation of shorter wavelength, or corpuscular radiation; with components specially adapted for either the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
H01L 51/42 (2006.01)
H01L 27/30 (2006.01)
CPC
H01L 27/301
H01L 51/0091
H01L 51/42
H01L 51/4253
H01L 51/4273
Applicants
  • SUMITOMO CHEMICAL CO., LTD [JP/JP]; 27-1, Shinkawa 2-chome Chuo-ku, Tokyo, 104-8260, JP
  • CAMBRIDGE DISPLAY TECHNOLOGY LIMITED [GB/GB]; Unit 12 Cardinal Park Cardinal way Godmanchester Cambridgeshire PE29 2XG, GB (MG)
Inventors
  • YAACOBI-GROSS, Nir; GB
  • MELLOR, Michael; GB
  • OMINIABOHS, Ken; GB
Agents
  • BEASLEY, Benjamin; GB
Priority Data
1811173.206.07.2018GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ORGANIC PHOTODETECTOR
(FR) PHOTODÉTECTEUR ORGANIQUE
Abstract
(EN)
An organic photodetector including an electron blocking layer, where the electron blocking layer prevents and/or reduces dark current by preventing electrons traveling from the organic photodetector's anode to the organic photodetector's photoactive layer during dark, photon-less conditions. The electron blocking layer is formed from a compound having the formula: [M]a+[X]a- (General Formula (I)) where: M is a metal; X is CN, SCN, Se CN or TeCN; and a is at least 1.
(FR)
L'invention concerne un photodétecteur organique comprenant une couche de blocage d'électrons, la couche de blocage d'électrons empêchant et/ou réduisant le courant d'obscurité en empêchant les électrons de se déplacer de l'anode du photodétecteur organique à la couche photoactive du photodétecteur organique pendant des conditions d'obscurité, sans photons. La couche de blocage d'électrons est constituée d'un composé de formule : [M]a+[X]a- (formule générale (I)) où : M est un métal ; X est CN, SCN, Se CN ou TeCN ; et a est au moins 1.
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