H01L31/022466

Photodiode, method for preparing the same, and electronic device

The present disclosure relates to a photodiode, a method for preparing the same, and an electronic device. The photodiode includes: a first electrode layer and a semiconductor structure that are stacked, a surface of the semiconductor structure away from the first electrode layer having a first concave-convex structure; and a second electrode layer arranged on a surface of the semiconductor structure away from the first electrode layer, a surface of the second electrode layer away from the first electrode layer having a second concave-convex structure.

Conductive paste

A conductive paste, for forming an electrode of a solar cell, includes (A) a conductive component, (B) an epoxy resin, (C) an imidazole and (D) a solvent. An amount of (C) the imidazole in the conductive paste is 0.1 to 1.0% by weight based on 100% by weight of the conductive paste excluding (D) the solvent.

Method for manufacturing a UV-radiation detector device based on SiC, and UV-radiation detector device based on SiC

A device for detecting UV radiation, comprising: a SiC substrate having an N doping; a SiC drift layer having an N doping, which extends over the substrate; a cathode terminal; and an anode terminal. The anode terminal comprises: a doped anode region having a P doping, which extends in the drift layer; and an ohmic-contact region including one or more carbon-rich layers, in particular graphene and/or graphite layers, which extends in the doped anode region. The ohmic-contact region is transparent to the UV radiation to be detected.

Photodetector based on PtSe2 and silicon nanopillar array and preparation method thereof

A photodetector based on PtSe.sub.2 and a silicon nanopillar array includes a PMMA light-transmitting protective layer, a graphene transparent top electrode, a silicon nanopillar array structure coated with few-layer PtSe.sub.2, and metal electrodes of the graphene transparent top electrode and the silicon nanopillar array structure. A method for preparing the photodetector includes steps of: preparing graphene with a CVD method; preparing a silicon nanopillar array structure through dry etching; coating few-layer PtSe.sub.2 on surfaces of the silicon nano-pillar array structure through laser interference enhanced induction CVD; preparing graphene transparent top electrode; and magnetron-sputtering metal electrodes. The photodetector prepared by the present invention has a detection range from visible light to near-infrared wavebands. The silicon nanopillar array structure enhances light absorption of the detector, so that the detector has high sensitivity, simple structure and strong practicability.

TRANSFERABLE ULTRA-THIN SUBSTRATES AND RELATED TECHNIQUES

A device, comprising: a flexible carrier; a release layer that is formed on the flexible carrier; a releasable substrate formed over the release layer; and a semiconductor structure that is formed over the releasable substrate.

TRANSPARENT ELECTRONIC DEVICE AND MANUFACTURING METHOD THEREOF
20230155041 · 2023-05-18 ·

A transparent electronic device includes an organic film, an amorphous transparent oxycarbide layer, and a matrix layer. The organic film includes a polymer containing carboxyl groups (—COOH). The amorphous transparent oxycarbide layer is disposed on the organic film and consists of a metal element, carbon element, oxygen element and an additional element. The metal element is selected from molybdenum (Mo), indium (In), tin (Sn), zinc (Zn), cadmium (Cd) and a combination thereof. An atomic number percentage of the additional element is equal to or greater than 0%, and is less than the least of an atomic number percentage of the metal element, an atomic number percentage of the oxygen element and an atomic number percentage of the carbon element. The matrix layer is disposed on the amorphous transparent oxycarbide layer. A manufacturing method of a transparent electronic device is also provided.

Method of adjusting optical system

A method for adjusting an optical system is provided, including a positioning device positioning a first optical module; a measuring device measuring an angular difference between a main axis of the first optical module and an optical axis of an optical element sustained by the first optical module to obtain a measurement information; an adjusting device changing the shape of an adjustment assembly of the first optical module according to the measurement information; and assembling the first optical module with an optical object, wherein the optical axis of the optical element is parallel to a central axis of the optical object.

SENSOR, SYSTEM AND METHOD FOR ACQUIRING A SIGNAL INDICATIVE OF AN INTENSITY SPECTRUM OF ELECTROMAGNETIC RADIATION
20230155051 · 2023-05-18 ·

The system can generally have a substrate, a layered structure supported by the substrate, the layered structure including a first layer being of a first material electrically conductive and transparent to said electromagnetic radiation, a second layer being of a second material electrically conductive and having a first photocurrent generation spectrum covering a first band of energy levels, a middle layer of a third material having a second photocurrent generation spectrum covering a second band of the energy levels of the electromagnetic radiation, the second band complementing the first band; the layered structure connected via the first layer and second layer as an electrical component of an electrical circuit of an acquisition module.

METHOD FOR INDUCING CONDUCTIVITY AT AND NEAR OXIDE INTERFACES

A process of preparing a conductive oxide interface is described herein, comprising contacting a surface of a first oxide with a plasma of a reducing gas to obtain a treated surface, and depositing a second oxide on the treated surface, thereby obtaining a conductive oxide interface between the first oxide and the second oxide. Further described herein are composites and articles of manufacture comprising same, the composites comprising a first oxide and second oxide, and an interface between the first oxide and second oxide which comprises a conductive oxide interface, wherein the conductive oxide interface comprises nitrogen atoms and/or the second oxide is in an amorphous form and the conductive oxide interface is characterized by a sheet resistance of no more than 10.sup.5 omega/square.

PHOTOVOLTAIC DEVICES WITH IMPROVED N-TYPE PARTNER AND METHODS FOR MAKING THE SAME

A photovoltaic device with an improved n-type partner and a method for making the same. The device includes: a transparent substrate; a transparent conductive electrode layer disposed on the transparent substrate; an n-type layer of Zn.sub.1-xMg.sub.xO, wherein 0<x≦1, disposed on the transparent conductive electrode layer; a chalcogen absorber layer disposed on the n-type layer; and a conductive layer disposed on the chalcogen absorber layer. The method includes: forming a transparent conductive electrode layer on a transparent substrate; forming an n-type layer of Zn.sub.1-xMg.sub.xO, wherein 0<x≦1, on the transparent conductive electrode layer; forming a chalcogen absorber layer on the n-type layer; forming a conductive layer on the chalcogen absorber layer; and annealing to form the device. Another device having a superstrate configuration with the order of the layers reversed and a method for making the same is provided.