Anomalous Behaviors of Visible Luminescence from Graphene Quantum Dots: Interplay between Size and Shape

Sung Kim, Sungwon Hwang, Minkook Kim, +13

ACS Nano

High photoresponsivity in an all-graphene p–n vertical junction photodetector

Chang Oh Kim, Sung Kim, Dong Hee Shin, +8

Nature Communications

Electrical EngineeringElectronic DevicesEngineeringGraphene Quantum DotPhotodetectors +6

High-performance graphene-quantum-dot photodetectors

Chang Oh Kim, Sungwon Hwang, Sung Kim, +8

Scientific Reports

EngineeringGraphene SheetsGraphene NanomeshesMultiple-layer GqdsGraphene-based Nano-antennas +14

Plasmon-Enhanced Ultraviolet Photoluminescence from Hybrid Structures of Graphene/ZnO Films

Sungwon Hwang, Dong Hee Shin, Chang Oh Kim, +10

Physical Review Letters

Materials ScienceSemiconductorsGraphene NanomeshesOptical MaterialsEngineering +11

Size-dependence of Raman scattering from graphene quantum dots: Interplay between shape and thickness

Sung Kim, Dong Hee Shin, Chang Oh Kim, +5

Applied Physics Letters

Materials ScienceSemiconductorsGraphene NanomeshesGraphene Quantum DotEngineering +12

Graphene p–n Vertical Tunneling Diodes

Sung Kim, Dong Hee Shin, Chang Oh Kim, +8

ACS Nano

Graphene/Si‐Quantum‐Dot Heterojunction Diodes Showing High Photosensitivity Compatible with Quantum Confinement Effect

Dong Hee Shin, Sung Kim, Jong Min Kim, +10

Advanced Materials

SemiconductorsGraphene NanomeshesElectrical EngineeringQuantum Confinement EffectEngineering +12

Doping- and size-dependent photovoltaic properties of p-type Si-quantum-dot heterojunction solar cells: correlation with photoluminescence

Seung Hui Hong, Jae Hee Park, Dong Hee Shin, +3

Applied Physics Letters

EngineeringOrganic Solar CellSemiconductor MaterialsIon Beam SputteringOptoelectronic Devices +17

Enhanced ultraviolet emission from hybrid structures of single-walled carbon nanotubes/ZnO films

Sung Kim, Dong Hee Shin, Chang Oh Kim, +4

Applied Physics Letters

EngineeringOptoelectronic DevicesLuminescence PropertyCarbon-based MaterialCarbon-based Films +14

Size-dependent radiative decay processes in graphene quantum dots

Sung Kim, Dong Hee Shin, Chang Oh Kim, +7

Applied Physics Letters

SemiconductorsQuantum ScienceGraphene NanomeshesPhotoluminescenceEngineering +12