1. ‘Wavelength conversion Nanocomposite Films’, Renewable Energy – 2008, Busan, Republic of Korea.
2. ‘Effect of Europium Doping Concentration on the Optical Properties of Y2O3:Eu3+ Phosphor’, Korean Chemical Society Conference, Oct. 2008, Seoul, Republic of Korea.
3. ‘Synthesis of Y2O3:Eu3+ Using Oleic Acid with Different Additives by Co-precipitation Method’, Korean Chemical Society Conference, April 2009, Seoul, Republic of Korea.
4. ‘The Effect of Quenching Concentration of Fe3+ in LiAl5O8:Fe3+ Prepared by Sol-gel Method', Korean Chemical Society Conference, Nov. 2009, Daejeon, Republic of Korea.
5. ‘Wavelength Converting Nanocomposite Films Using Red and Blue Phosphor for Greenhouse Effect’, Korean Chemical Society Conference, April 2010, Seoul, Republic of Korea.
6. ‘Sonication Induced Synthesis of Purely Red Emitting Y2O3:Eu3+ Nanophosphors’, Pacific-Chem Conference, April 2010, Muchangpo, Republic of Korea.
7. ‘Sonication Induced Synthesis of Purely Red Emitting Y2O3:Eu3+ Nanophosphors’, Korean Chemical Society Conference, Oct. 2010, Seoul, Republic of Korea.
8. ‘Nano-interface Junction Technology Using Hard and Soft Phase Magnetic Materials’, Korean Chemical Society, April 2011, Seoul, Republic of Korea.
9. ‘Synthesis and Size Control of Hard Phase NdFeB Magnetic Nanoparticles’, The 14th Korea – Japan Joint Symposium, The 2011 Summer Symposium of KCS-PC, July 2011, Busan, Republic of Korea.
10. ‘Synthesis and Size Control of Hard Phase NdFeB Magnetic Nanoparticles’, Korean Chemical Society Conference, Oct. 2011, Seoul, Republic of Korea.
11. ‘Exchange Coupling and Size Control of Hard and Soft Phase NdFeB/alpha-Fe Magnetic Nanoparticles’, Korean Chemical Society, April 2012, Seoul, Republic of Korea.
12. ‘One Pot Synthesis of Hard Phase Nd2Fe14B and Nd2Fe14B/alpha-Fe Magnetic Nanoparticles’, Physico-chemical Conference, June 2012, Seoul, Republic of Korea.
13. ‘Preparation of Nd-Fe-B Hard Magnetic Materials’, Physical Chemistry Conference, June 2012, Sokcho, Republic of Korea.
14. ‘Y2O3:Eu3+ Nanostructures: An Optical Study for Highly Efficient Wavelength Conversion Nanoparticles’, Korean Chemical Society Conference, Oct. 2012, Busan, Republic of Korea.
15. ‘Efficient Quantum Cutting Through Nanostructure Y2O3:Tb3+,Yb3+’, Phosphor Safari 2013, International Symposium for Phosphor Materials and Crystal Growth, Oct. 2013, Jeju, Republic of Korea.
16. ‘Efficient Quantum Cutting Through Nanostructure Y2O3:Tb3+,Yb3+’, Phosphor Safari 2013, The 22nd Seminar in Phosphor Technology Forum, April. 2014, Korea Institute of Science and Technology, Seoul, Republic of Korea.
17. ‘Designing Luminescent Photonic Crystals for Solar Cell Applications’, Institute of Multidisciplinary Convergence of Matter, May 2014, Korea Institute of Science and Technology, Seoul, Republic of Korea.
18. ‘Designing High Efficiency Luminescent Materials for Solar Cell Applications’, International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE), Nov. 2014, Jeju Island, Republic of Korea.
19. ‘Transition Metal Composites of Pt-Ni-Conducting Polymer for Oxidation of Organic Compounds’. Korean Chemical Society, April 2017, KINTEX, Ilsan, Republic of Korea.