Ultraselective and sensitive detection of xylene and toluene for monitoring indoor air pollution using Cr-doped NiO hierarchical nanostructures

Hyo-Joong Kim, Ji‐Wook Yoon, Kwon-Il Choi, +3

Nanoscale

Sensitive DetectionEngineeringGas SensorChemistryNio Hierarchical Nanostructures +18

Ultraselective and ultrasensitive detection of H2S in highly humid atmosphere using CuO-loaded SnO2 hollow spheres for real-time diagnosis of halitosis

Kwon-Il Choi, Hyo-Joong Kim, Yun Chan Kang, +1

Sensors and Actuators B Chemical

Ultrasensitive DetectionChemical EngineeringChemistryReal-time Diagnosis

C2H5OH sensing characteristics of various Co3O4 nanostructures prepared by solvothermal reaction

Kwon-Il Choi, Hae-Ryong Kim, Kang-Min Kim, +3

Sensors and Actuators B Chemical

Materials ScienceSolvothermal ReactionEngineeringNanomaterialsNanotechnology +7

Ultra-fast responding and recovering C2H5OH sensors using SnO2 hollow spheres prepared and activated by Ni templates

Hae-Ryong Kim, Kwon-Il Choi, Kang-Min Kim, +3

Chemical Communications

EngineeringGas SensorNanoheterogeneous CatalysisChemistrySensor Technology +17

Highly sensitive C2H5OH sensors using Fe-doped NiO hollow spheres

Hyo-Joong Kim, Kwon-Il Choi, Kang-Min Kim, +2

Sensors and Actuators B Chemical

Chemical EngineeringEngineeringSensorsSensitive C2h5oh SensorsNanotechnology +4

Highly sensitive and ultra-fast responding gas sensors using self-assembled hierarchical SnO2 spheres

Hae-Ryong Kim, Kwon-Il Choi, Jong‐Heun Lee, +1

Sensors and Actuators B Chemical

EngineeringSensorsNanomaterialsNanotechnologyGas Sensor +7

Template-free solvothermal synthesis of hollow hematite spheres and their applications in gas sensors and Li-ion batteries

Hyo-Joong Kim, Kwon-Il Choi, Anqiang Pan, +6

Journal of Materials Chemistry

NanoparticlesMagnetic PropertiesEngineeringMetal NanoparticlesChemistry +22

Enhanced CO sensing characteristics of hierarchical and hollow In2O3 microspheres

Kwon-Il Choi, Hae-Ryong Kim, Jong‐Heun Lee

Sensors and Actuators B Chemical

Materials ScienceFunctional NanomaterialsChemical EngineeringEnhanced CoEngineering +9

Extremely Sensitive and Selective NO Probe Based on Villi-like WO₃ Nanostructures for Application to Exhaled Breath Analyzers

Hi Gyu Moon, You Rim Choi, Young-Seok Shim, +7

ACS Applied Materials & Interfaces

NanosensorsEngineeringGas SensorChemistryBiosensing Systems +19

Rh-catalyzed WO₃ with anomalous humidity dependence of gas sensing characteristics

Kwon-Il Choi, Su-Jin Hwang, Zhengfei Dai, +2

RSC Advances

EngineeringGas SensorGas ResponseChemistryHumidity Sensor +14