Kyung Hee UniversityNanostructures & Nanomaterials Lab.





Charge-Generating Mode Control in High-Performance Transparent Flexible Piezoelectric Nanogenerators 

Hyun-Kyu Park, Keun Young Lee, Ju-Seok Seo, Jin-A Jeong, Han-Ki Kim, Dukhyun Choi*, Sang-Woo Kim*

ADVANCED FUNCTIONAL MATERIALS (Volume 21, Issue 6, 2011/03/22) 


Some aspects of the design and applications of nanohoneycomb and nanofiber array structures 

W Hwang*, KH Lee, H Park, J Kim, J Park, JH Cho, JH Jeon, D Choi, D Kim, S Kim, K Lee, T Jing, S Lee 

MECHANICS of COMPOS?ITE MATERIALS (Volume 47, Issue 1, 2011/03/01) 


Control of naturally coupled piezoelectric and photovoltaic properties for multi-type energy scavengers 

Dukhyun Choi, Keun Young Lee, Mi-Jin Jin, Soo-Ghang Ihn, Sungyoung Yun, Xavier Bulliard, Woong Choi, Sang Yoon Lee, Sang-Woo Kim*, Jae-Young Choi*, Jong Min Kim, Zhong Lin Wang*

ENERGY & ENVIRONMENTAL SCIENCE (Volume 4, Issue 11, 2011)


Enhanced Performance in Polymer Solar Cells by Surface Energy Control 

Xavier Bulliard, Soo-Ghang Ihn, Sungyoung Yun, Yungi Kim, Dukhyun Choi, Jae-Young Choi, Min Kim, Myungsun Sim, Jong-Hwan Park, Woong Choi*, Kilwon Cho* 

ADVANCED FUNCTIONAL MATERIALS (Volume 20, Issue 24, 2010/12/21) 


Design and fabrication of compositionally graded inorganic oxide thin films: Mechanical, optical and permeation characteristics 

Y-H Choi, X Bulliard, A Benayad, Y Leterrier, J-AE M?nson, K-H Lee, D Choi*, J-J Park*, J Kim 

ACTA MATERIALIA (Volume 58, Issue 19, 2010/11/01)


Control of Electronic Structure of Graphene by Various Dopants and Their Effects on a Nanogenerator 

Hyeon-Jin Shin, Won Mook Choi, Dukhyun Choi, Gang Hee Han, Seon-Mi Yoon, Hyun-Kyu Park, Sang-Woo Kim, Yong Wan Jin, Sang Yoon Lee, Jong Min Kim, Jae-Young Choi*, Young Hee Lee*

JOURNAL of the AMERICAN CHEMICAL SOCIETY (Volume 132, Issue 44, 2010/10/14)


Density Control of ZnO Nanorod Arrays on Mixed Self-Assembled Monolayers 

Xavier Bulliard, Sungyoung Yun, Soo-Ghang Ihn, Yeong Suk Choi, Yungi Kim, Dukhyun Choi, Jae-Young Choi, Woong Choi* 

CRYSTAL GROWTH & DESIGN (Volume 10, Issue 11, 2010/10/12) 


Piezoelectric touch-sensitive flexible hybrid energy harvesting nanoarchitectures 

Dukhyun Choi, Keun Young Lee, Kang Hyuck Lee, Eok Su Kim, Tae Sang Kim, Sang Yoon Lee, Sang-Woo Kim*, Jae-Young Choi*, Jong Min Kim 

NANOTECHNOLOGY (Volume 21, Issue 40, 2010/09/10)


Self-Organized Hexagonal-Nanopore SERS Array 

Dukhyun Choi  Yeonho Choi  Soongweon Hong  Taewook Kang  Luke P. Lee*

SMALL (Volume 6, Issue 16, 2010/08/16)


Enhanced Power Conversion Efficiency of Inverted Organic Solar Cells with a Ga-Doped ZnO Nanostructured Thin Film Prepared Using Aqueous Solution

Kyung-Sik Shin, Kang-Hyuck Lee, Hyun Hwi Lee, Dukhyun Choi*, Sang-Woo Kim* 

THE JOURNAL of PHYSICAL CHEMISTRY C (Volume 114, Issue 37, 2010/06/22) 


Fully Rollable Transparent Nanogenerators Based on Graphene Electrodes

Dukhyun Choi, Min-Yeol Choi, Won Mook Choi, Hyeon-Jin Shin, Hyun-Kyu Park, Ju-Seok Seo, Jongbong Park, Seon-Mi Yoon, Seung Jin Chae, Young Hee Lee, Sang-Woo Kim*, Jae-Young Choi*, Sang Yoon Lee, Jong Min Kim 

ADVANCED MATERIALS (Volume 22, Issue 19, 2010/05/18) 


Metal-Insulator-Metal Optical Nanoantenna with Equivalent-Circuit Analysis 

Yeonho Choi, Dukhyun Choi, Luke P Lee* 

ADVANCED MATERIALS (Volume 22, Issue 15, 2010/04/18)


Homogeneous Al2O3 multilayer structures with reinforced mechanical stability for high-performance and high-throughput thin-film encapsulation 

Yun-Hyuk Choi, Young Gu Lee, Xavier Bulliard, Kwang-Hee Lee, Sangyoon Lee, Dukhyun Choi*, Jong-Jin Park*, Jong Min Kim 

SCRIPTA MATERIALIA (Volume 62, Issue 7, 2010/04/01)


Nanoscale networked single-walled carbon-nanotube electrodes for transparent flexible nanogenerators 

Dukhyun Choi, Min-Yeol Choi, Hyeon-Jin Shin, Seon-Mi Yoon, Ju-Seok Seo, Jae-Young Choi*, Sang Yoon Lee, Jong Min Kim, Sang-Woo Kim* 

THE JOURNAL of PHYSICAL CHEMISTRY C (Volume 114, Issue 2, 2009/12/16) 


Mechanically powered transparent flexible charge-generating nanodevices with piezoelectric ZnO nanorods 

Min-Yeol Choi, Dukhyun Choi, Mi-Jin Jin, Insoo Kim, Sang-Hyeob Kim, Jae-Young Choi*, Sang Yoon Lee, Jong Min Kim, Sang-Woo Kim* 

ADVANCED MATERIALS (Volume 21, Issue 21, 2009/06/05) 


Additional amplifications of SERS via an optofluidic CD-based platform 

Dukhyun Choi, Taewook Kang, Hansang Cho, Yeonho Choi, Luke P Lee* 

LAB ON A CHIP (Volume 9, Issue 2, 2009)


Microcantilevers with nanochannels 

Pyung-Soo Lee, Junghyun Lee, Nayoung Shin, Kun-Hong Lee*, Dongkyu Lee, Sangmin Jeon, Dukhyun Choi, Woonbong Hwang, Hyunchul Park 

ADVANCED MATERIALS (Volume 20, Issue 9, 2008/05/05) 


Dependence of adhesion and friction on porosity in porous anodic alumina films 

Dukhyun Choi, Sangmin Lee, Seonghan Kim, Pyungsoo Lee, Kunhong Lee, Hyunchul Park, Woonbong Hwang*

SCRIPTA MATERIALIA (Volume 58, Issue 10, 2008/05/01)


Structure-dependent adhesion and friction on highly ordered metallic nanopore membranes 

Dukhyun Choi, Sunghan Kim, Sangmin Lee, Dongseop Kim, Kunhong Lee, Hyunchul Park, Woonbong Hwang*

NANOTECHNOLOGY (Volume 19, Issue 14, 2008/03/05)


Fabrication of metal nanohoneycomb structures and their tribological behavior 

Sunghan Kim, Sangmin Lee, Dukhyun Choi, Kunhong Lee, Hyunchul Park, Woonbong Hwang*

ADVANCED COMPOSITE MATERIALS (Volume 17, Issue 2, 2008/01/01)