- Dye-sensitized solar cells
Room 131-413

Education & Career

Publications (International)
"Reduced Graphene Oxide/Carbon Double-Coated 3-D Porous ZnO Aggregates as High-Performance Li-Ion Anode Materials"
Sungun Wi,+ Hyungsub Woo,+ Sangheon Lee, Joonhyeon Kang, Jaewon Kim, Subin An, Chohui Kim, Seunghoon Nam, Chunjoong Kim, and Byungwoo Park*
Nanoscale Res. Lett. 10, 204 (2015).
"Improving Scattering Layer through Mixture of Nanoporous Spheres and Nanoparticles in ZnO-Based Dye-Sensitized Solar Cells"
Chohui Kim, Hongsik Choi, Jae Ik Kim, Sangheon Lee, Jinhyun Kim, Woojin Lee, Taehyun Hwang, Suji Kang, Taeho Moon,* and Byungwoo Park*
Nanoscale Res. Lett. 9, 295 (2014).
"Graded Bandgap Structure for PbS/CdS/ZnS Quantum-Dot-Sensitized Solar Cells with a PbxCd1-xS Interlayer"
Jongmin Kim, Hongsik Choi, Changwoo Nahm, Chohui Kim, Jae Ik Kim, Woojin Lee, Suji Kang, Byungho Lee, Taehyun Hwang, Helen Hejin Park, and Byungwoo Park*
Appl. Phys. Lett. 102, 183901 (2013).
"The Role of ZnO-Coating-Layer Thickness on the Recombination in CdS Quantum-Dot-Sensitized Solar Cells"
Hongsik Choi, Jongmin Kim, Changwoo Nahm, Chohui Kim, Seunghoon Nam, Joonhyeon Kang, Byungho Lee, Taehyun Hwang, Suji Kang, Dong Joo Choi, Young-Ho Kim,* and Byungwoo Park*
Nano Energy 2, 1218 (2013).
"The Effect of TiO2-Coating Layer on the Performance in Nanoporous ZnO-Based Dye-Sensitized Solar Cells"
Chohui Kim, Jongmin Kim, Hongsik Choi, Changwoo Nahm, Suji Kang, Sungjun Lee, Byungho Lee, and Byungwoo Park*
J. Power Sources 232, 159 (2013).
"Review Paper: Toward Highly Efficient Quantum-Dot- and Dye- Sensitized Solar Cells"
Hongsik Choi, Changwoo Nahm, Jongmin Kim, Chohui Kim, Suji Kang, Taehyun Hwang, and Byungwoo Park*
Curr. Appl. Phys. 13, S2 (2013).
"The Role of a TiCl4 Treatment on the Performance of CdS Quantum-Dot-Sensitized Solar Cells"
Jongmin Kim, Hongsik Choi, Changwoo Nahm, Chohui Kim, Seunghoon Nam, Suji Kang, Dae-Ryong Jung, Jae Ik Kim, Joonhyeon Kang, and Byungwoo Park*
J. Power Sources 220, 108 (2012).
"The Effect of TiCl4-Treated TiO2 Compact Layer on the Performance of Dye-Sensitized Solar Cell"
Hongsik Choi, Changwoo Nahm, Jongmin Kim, Joonhee Moon, Seunghoon Nam, Chohui Kim, Dae-Ryong Jung, and Byungwoo Park*
Curr. Appl. Phys. 12, 737 (2012).
"The Effects of 100 nm-Diameter Au Nanoparticles on Dye-Sensitized Solar Cells"
Changwoo Nahm, Hongsik Choi, Jongmin Kim, Dae-Ryong Jung, Chohui Kim, Joonhee Moon, Byungjoo Lee, and Byungwoo Park*
Appl. Phys. Lett. 99, 253107 (2011).
[Virtual Journal of Nanoscale Science & Technology]
"Photoluminescence Enhancement in CdS Nanoparticles by Surface-Plasmon Resonance"
Dae-Ryong Jung, Jongmin Kim, Seunghoon Nam, Changwoo Nahm, Hongsik Choi, Jae Ik Kim, Junhee Lee, Chohui Kim, and Byungwoo Park*
Appl. Phys. Lett. 99, 41906 (2011).
"The Effect of a Blocking Layer on the Photovoltaic Performance in CdS Quantum-Dot-Sensitized Solar Cells"
Jongmin Kim, Hongsik Choi, Changwoo Nahm, Joonhee Moon, Chohui Kim, Seunghoon Nam, Dae-Ryong Jung, and Byungwoo Park*
J. Power Sources 196, 10526 (2011).
[Featured as a Key Scientific Article in Renewable Energy Global Innovations]

Presentations (International)
"Nanoscale Interface Control for Photoluminescence and Solar-Cell Applications"
Byungwoo Park, Hongsik Choi, Jae Ik Kim, Seunghoon Nam, Woojin Lee, Sungun Wi, Chohui Kim, and Joonhyeon Kang,
The 9th Tsinghua University - University of Tokyo - Seoul National University Student Workshop. Seoul, Korea, October 9-12, 2013.
"Graphene/Carbon Double-Coated ZnO Aggregates as High-Rate Electrode Material for Li-Ion Battery"
Sungun Wi, Seunghoon Nam, Yuhong Oh, Chohui Kim, Saeromi Hong, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, November 2012.
"Improved Photovoltaic Performance of CdS Quantum-Dot-Sensitized Solar Cell through ZnO Coating"
Hongsik Choi, Jongmin Kim, Changwoo Nahm, Chohui Kim, Seunghoon Nam, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, November 2012.
"Mixture of Nanoporous Spheres and Nanoparticles for High-Efficiency ZnO-Based Dye-Sensitized Solar Cells"
Chohui Kim, Jongmin Kim, Hongsik Choi, Changwoo Nahm, Suji Kang, Sungjun Lee, Byungho Lee, and Byungwoo Park
Global Photovoltaic Conference 2012 (GPVC2012). Busan, Korea, November 19-21, 2012. [Oral by Chohui Kim]
"Improved Photovoltaic Performance of CdS Quantum-Dot-Sensitized Solar Cell through ZnO Coating"
Hongsik Choi, Jongmin Kim, Changwoo Nahm, Chohui Kim, Seunghoon Nam, Joonhyeon Kang, Byungho Lee, and Byungwoo Park
The 13th Korea - Japan Student Symposium (Seoul National University - Tohoku University). Seoul, Korea, November 7-9, 2012.
"The Effect of TiO2-Coating Layer on the Performance in Nanoporous ZnO-Based Dye-Sensitized Solar Cells"
Chohui Kim, Jongmin Kim, Hongsik Choi, Changwoo Nahm, Suji Kang, Sungjun Lee, Byungho Lee, and Byungwoo Park
The 13th Korea - Japan Student Symposium (Seoul National University - Tohoku University). Seoul, Korea, November 7-9, 2012. [Oral by Chohui Kim]
"Graphene/Carbon Double-Coated ZnO Aggregates as High-Rate Electrode Material for Li-Ion Battery"
Sungun Wi, Seunghoon Nam, Yuhong Oh, Chohui Kim, Saeromi Hong, Suji Kang, and Byungwoo Park
The 13th Korea - Japan Student Symposium (Seoul National University - Tohoku University). Seoul, Korea, November 7-9, 2012.
"Semiconductor Nanoparticles with Surface Passivation and Surface Plasmon for Luminescence and Solar-Cell Applications"
Byungwoo Park, Jongmin Kim, Changwoo Nahm, Hongsik Choi, Seunghoon Nam, and Chohui Kim
International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE2012). Jeju, Korea, September 16-19, 2012.
"The Effect of TiO2-Coating Layer on the Performance in Nanoporous ZnO-Based Dye-Sensitized Solar Cells"
Chohui Kim, Jongmin Kim, Hongsik Choi, Changwoo Nahm, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, November 2011. [Poster by Chohui Kim]
"Interface Control for Highly Efficient Dye- and Quantum-Dot- Sensitized Solar Cells"
Hongsik Choi, Changwoo Nahm, Jongmin Kim, Joonhee Moon, Seunghoon Nam, Chohui Kim, Dae-Ryong Jung, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, November 2011.
"The Effect of a Blocking Layer on the Photovoltaic Performance in CdS Quantum-Dot-Sensitized Solar Cells"
Jongmin Kim, Hongsik Choi, Changwoo Nahm, Joonhee Moon, Chohui Kim, Seunghoon Nam, Dae-Ryong Jung, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, November 2011.
"Photoluminescence Enhancement in CdS Nanoparticles by Surface-Plasmon Resonance"
Dae-Ryong Jung, Jongmin Kim, Seunghoon Nam, Changwoo Nahm, Hongsik Choi, Jae Ik Kim, Junhee Lee, Chohui Kim, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, November 2011.
"The Effects of 100 nm-Diameter Au Nanoparticles on Dye-Sensitized Solar Cells"
Changwoo Nahm, Hongsik Choi, Jongmin Kim, Dae-Ryong Jung, Chohui Kim, and Byungwoo Park
Materials Research Society (MRS) Fall Meeting. Boston, MA, November 2011.
"Polydisperse Aggregates of ZnO Nanoparticles for Dye-Sensitized Solar Cells"
Chohui Kim, Jongmin Kim, and Byungwoo Park
The 11th Korea - Japan Student Symposium (Seoul National University - Tohoku University). Seoul, Korea, November 8-10, 2010. [Oral by Chohui Kim]

Presentations (Domestic)
"The Effect of Surface Treatment on the Photovoltaic Performance in CdS Quantum-Dot-Sensitized Solar Cells"
Jongmin Kim, Hongsik Choi, Changwoo Nahm, Joonhee Moon, Chohui Kim, Seunghoon Nam, Dae-Ryong Jung, and Byungwoo Park
태양전지 연구회 워크숍 2012. Daejeon, Korea, February 28-29, 2012.
"The Effects of 100 nm-Diameter Au Nanoparticles on Dye-Sensitized Solar Cells"
Changwoo Nahm, Hongsik Choi, Jongmin Kim, Dae-Ryong Jung, Chohui Kim, and Byungwoo Park
태양전지 연구회 워크숍 2012. Daejeon, Korea, February 28-29, 2012.
"Interface Control for Highly Efficient Dye- and Quantum-Dot- Sensitized Solar Cells"
Hongsik Choi, Changwoo Nahm, Jongmin Kim, Joonhee Moon, Seunghoon Nam, Chohui Kim, Dae-Ryong Jung, and Byungwoo Park
태양전지 연구회 워크숍 2012. Daejeon, Korea, February 28-29, 2012.
"The Effect of TiO2-Coating Layer on the Performance in Nanoporous ZnO-Based Dye-Sensitized Solar Cells"
Chohui Kim, Jongmin Kim, Hongsik Choi, Changwoo Nahm, and Byungwoo Park
태양전지 연구회 워크숍 2012. Daejeon, Korea, February 28-29, 2012.