国家/地区 韩国（17）
IPC部 C（17）
IPC大类 C01（17）
IPC小类 C01B（17）
IPC G01N033/00（17）
发明人 LEE K B（5） LEE Y（5） KIM J（4）
NAM Y（4） LEE S Y（3） OH I H（3）
GYU L M（2） HEON H S（2） IN C G（2）
KI I C（2） LEE Y H（2） MYEONG K L（2）
NAM Y S（2） SEONG A U（2） SEUNG H H（2）
公开年 2017（6） 2020（3） 2022（3）
申请年 2015（4）  2016（3）  2021（3）  2018（2） 
专利权人 KOREA INST S.（5） GWANGJU INST.（2） KOREA INST C.（2） LG ELECTRONI.（2）
UNIV SUNGKYU.（2）

Sensor useful in detecting nitrogen dioxide for hospitals, medical facilities, medicinal manufacturing, and chemical handling industries, comprises graphene sheet positioned on substrate, and tungsten oxide nanorods doped on graphene sheet.

LEE K B, NAM Y, LEE S Y, LEE Y, KIM J, OH I H

Sensor useful e.g. in system for detecting ammonia gas, comprises graphene sheet positioned on substrate, and tin oxide nanoparticles and nickel oxide nanoparticles doped on graphene sheet.

LEE K B, NAM Y, LEE S Y, LEE Y, KIM J, OH I H

Nitrogen dioxide gas detection sensor comprises board, graphene sheet positioned on the substrate, and zinc oxide nanosheet doped on the graphene sheet.

LEE K B, NAM Y, LEE S Y, LEE Y, KIM J, OH I H

Material used for sensor for sensing gas including toxic gas and volatile organic compound, e.g. nitrogen-based compound, alcohol, ketone, aldehyde or thiol compound, preferably acetone, ammonia, formaldehyde or methyl mercaptan, comprises polypyrrole derivative and carbon material.

KANG S, TAKADA M, KIM J, HWANG B, HWANG P Y, KIM J Y, KANG S M

Producing reduced graphene oxide and ammonia gas sensor, comprises e.g. preparing first reactant by dissolving graphite, adding hydrogen peroxide to react to prepare third reactant, and preparing dispersion of graphene oxide particles.

KWON P S

Sensor and device useful for detecting ammonia gas having high sensitivity, high selectivity, fast saturation, and fast recovery time, comprises board, graphene sheet positioned on board, and copper oxide nano particle on graphene sheet.

LEE K B, NAM Y, LEE Y, SIMBALANKO O, NAM Y S, LEE Y H, TSYMBALENKO O

Surface-decorated flexible graphene self-heating gas sensor used for e.g., smart sensors comprises pattern of graphene that is decorated with metal nanoparticles formed on flexible substrate, and detects gas by applying an external voltage.

JANG H W, KIM Y

Hydrogen sulfide gas detecting sensor used in e.g. landfill and biogas generation sites, comprises single-layer graphene sheet arranged on substrate, and metal nanoparticles comprising iron and silver particles, arranged on graphene sheet.

LEE K B, NAM Y S, OLEKSANDR O, THI L P, MOON M W

Method of monitoring defect formation or healing in graphene film, involves exposing material to incident radiation, and generating data indicative of defects to provide temporal or spatial change in rate and size of defect formation.

SWETT J L, BEDWORTH P V

Producing reduced graphene useful for apparatus including fuel cell, super capacitor, gas sensor, solar cell and transparent electrode, comprises providing graphene oxide, and introducing e.g. intense pulsed white light on graphene oxide.

KIM H S, PARK S H, HWANG Y T