|Improved heat dissipation in gallium nitride light-emitting diodes with embedded graphene oxide pattern|
N Han, T Viet Cuong, M Han, B Deul Ryu, S Chandramohan, J Bae Park, ...
Nature communications 4 (1), 1452, 2013
|Work-function-tuned multilayer graphene as current spreading electrode in blue light-emitting diodes|
S Chandramohan, J Hye Kang, YS Katharria, N Han, Y Seon Beak, ...
Applied Physics Letters 100 (2), 2012
|Comparison of various surface textured layer in InGaN LEDs for high light extraction efficiency|
JH Kang, JH Ryu, HK Kim, HY Kim, N Han, YJ Park, P Uthirakumar, ...
Optics express 19 (4), 3637-3646, 2011
|Wafer-scale and selective-area growth of high-quality hexagonal boron nitride on Ni (111) by metal-organic chemical vapor deposition|
H Jeong, DY Kim, J Kim, S Moon, N Han, SH Lee, OFN Okello, K Song, ...
Scientific reports 9 (1), 5736, 2019
|Chemically modified multilayer graphene with metal interlayer as an efficient current spreading electrode for InGaN/GaN blue light-emitting diodes|
S Chandramohan, JH Kang, YS Katharria, N Han, YS Beak, KB Ko, ...
Journal of Physics D: Applied Physics 45 (14), 145101, 2012
|Impact of two-floor air prism arrays as an embedded reflector for enhancing the output power of InGaN/GaN light emitting diodes|
HG Kim, HK Kim, HY Kim, JH Ryu, JH Kang, N Han, P Uthirakumar, ...
Applied Physics Letters 95 (22), 2009
|Pressure-dependent growth of wafer-scale few-layer h-BN by metal–organic chemical vapor deposition|
DY Kim, N Han, H Jeong, J Kim, S Hwang, K Song, SY Choi, JK Kim
Crystal Growth & Design 17 (5), 2569-2575, 2017
|Role of hydrogen carrier gas on the growth of few layer hexagonal boron nitrides by metal-organic chemical vapor deposition|
DY Kim, N Han, H Jeong, J Kim, S Hwang, JK Kim
AIP Advances 7 (4), 2017
|High performance of InGaN light-emitting diodes by air-gap/GaN distributed Bragg reflectors|
JH Ryu, HY Kim, HK Kim, YS Katharria, N Han, JH Kang, YJ Park, M Han, ...
Optics Express 20 (9), 9999-10003, 2012
|Improvement of light output power in InGaN/GaN light-emitting diodes with a nanotextured GaN surface using indium tin oxide nanospheres|
JH Kang, HG Kim, HK Kim, HY Kim, JH Ryu, P Uthirakumar, N Han, ...
Japanese Journal of Applied Physics 48 (10R), 102104, 2009
|Stress-relaxed growth of n-GaN epilayers|
JH Ryu, YS Katharria, HY Kim, HK Kim, KB Ko, N Han, JH Kang, YJ Park, ...
Applied Physics Letters 100 (18), 2012
|Stimulated N-doping of reduced graphene oxide on GaN under excimer laser reduction process|
BD Ryu, N Han, M Han, S Chandramohan, YJ Park, KB Ko, JB Park, ...
Materials Letters 116, 412-415, 2014
|Enhancement of light output power in GaN-based light-emitting diodes using indium tin oxide films with nanoporous structures|
JH Kang, JH Ryu, HK Kim, HY Kim, N Han, MS Lee, YJ Park, ...
Thin Solid Films 520 (1), 437-441, 2011
|Effect of embedded silica nanospheres on improving the performance of InGaN/GaN light-emitting diodes|
YJ Park, HY Kim, JH Ryu, HK Kim, JH Kang, N Han, M Han, H Jeong, ...
Optics Express 19 (3), 2029-2036, 2011
|Enhanced thermal stability of reduced graphene oxide-Silicon Schottky heterojunction solar cells via nitrogen doping|
M Han, BD Ryu, JH Hyung, N Han, YJ Park, KB Ko, KK Kang, TV Cuong, ...
Materials Science in Semiconductor Processing 59, 45-49, 2017
|Effect of curved graphene oxide in a GaN light-emitting-diode for improving heat dissipation with a patterned sapphire substrate|
M Han, N Han, EJ Jung, BD Ryu, KB Ko, T viet Cuong, H Kim, JK Kim, ...
Semiconductor Science and Technology 31 (8), 085010, 2016
|Fabrication and characteristics of gan-based light-emitting diodes with a reduced graphene oxide current-spreading layer|
BD Ryu, M Han, N Han, YJ Park, KB Ko, TH Lim, S Chandramohan, ...
ACS applied materials & interfaces 6 (24), 22451-22456, 2014
|Reduced junction temperature and enhanced performance of high power light-emitting diodes using reduced graphene oxide pattern|
N Han, E Jung, M Han, BD Ryu, KB Ko, YJ Park, TV Cuong, J Cho, H Kim, ...
Journal of Physics D: Applied Physics 48 (26), 265102, 2015
|Enhanced light emission in blue light-emitting diodes by multiple Mie scattering from embedded silica nanosphere stacking layers|
YJ Park, JH Kang, HY Kim, VV Lysak, S Chandramohan, JH Ryu, HK Kim, ...
Optics Express 19 (23), 23429-23435, 2011
|Defect-Mediated In-Plane Electrical Conduction in Few-Layer sp2-Hybridized Boron Nitrides|
DY Kim, H Jeong, J Kim, N Han, JK Kim
ACS applied materials & interfaces 10 (20), 17287-17294, 2018