Publications

Journal Publications

1. Hyun-Jun Hwang, Wan-Ho Chung and Hak-Sung Kim, "In-situ monitoring of flash light sintering of copper nanoparticles ink for printed electronics", Nanotechnology, 2012, Vol. 23, No. 48, pp. 485205 [PDF]

2. Wan-Ho Chung, Hyun-Jun Hwang, Seung-Hyun Lee and Hak-Sung Kim, "In-situ monitoring of flash light sintering process of silver nano-ink for flexible electronics", Nanotechnology, 2013, Vol. 24, No. 3, pp. 035202 [PDF]

3. Sung-Jun Joo, Hyun-Jun Hwang and Hak-Sung Kim, "Highly conductive copper nano/micro-particles ink via flash light sintering for printed electronics", Nanotechnology, 2014, Vol.24, pp.265601 [PDF]

4. Hyun-Jun Hwang and Hak-Sung Kim,"TiO2/Silver/CNT nano-composite working electrodes for high performance dye-sensitized solar cells", Journal of composite materials, 2014, Vol. 48, pp.1679-1690 [PDF]

5. Hyun-Jun Hwang and Hak-Sung Kim, "Ultra-high speed fabrication of TiO2 photoanode by flash light for dye-sensitized solar cell", Journal of Nanoscience & Nanotechnology, 2015, Vol.15, pp. 5028-5034 [PDF]

6. Wan-Ho Chung, Hyun-Jun Hwang and Hak-Sung Kim, "Flash light sintered copper precursor/nanoparticle pattern with high electrical conductivity and low porosity for printed electronics", Thin Solid Films, 2015, Vol. 580, pp. 61-70 [PDF]

7. Hyun-Jun Hwang, Sung-Jun Joo and Hak-Sung Kim, "Copper nanoparticle/multi-walled carbon nanotube composite films with high electrical conductivity and fatigue resistance fabricated via flash light sintering", ACS Applied Materials & Interfaces, 2015, Vol. 7, pp. 25413-25423 [PDF]

8. Hyun-Jun Hwang, Gyung-Hwan Oh and Hak-Sung Kim, "All-photonic drying and sintering process via flash white light combined with deep-UV and near-infrared light irradiation for highly conductive copper nano-ink", Scientific Reports, 2016, Vol. 6, No.19696 [PDF]

9. K. Mallikarjuna, Hyun-Jun Hwang, Wan-Ho Chung and Hak-Sung Kim*, "Photonic welding of ultra-long copper nanowire network for flexible transparent electrodes using white flash light sintering", RSC Advances, 2016, Vol. 6, pp. 4770-4779 [PDF]

10. Wan-Ho Chung, Dong-Ki Min, Hyun-Jun Hwang, Jong Kwang Lim, Jun-Hong Park and Hak-Sung Kim, " In vivo stiffness measurement and in silico stiffness prediction of biceps brachii muscle using an isometric contractive exercise", The Journal of Mechanical Science and Technology, 2016, Vol. 30, No. 6, pp. 2881-2889 [PDF]

11. Hyun-Jun Hwang, Wan-Ho Chung, Joo-Ho Song, Jong-Kwang Lim and Hak-Sung Kim, "Prediction of biceps muscle fatigue and force using electromyography signal analysis for repeated isokinetic dumbbell curl exercise", The Journal of Mechanical Science and Technology, 2016, Vol. 30, No. 11, pp. 5329-5336 [PDF]

12. Hyun-Jun Hwang, Soo-Chul Lim, Kyung-Chul Ok, Jin-Seong Park and Hak-Sung Kim, "Photonic sintering via flash white light combined with deep UV and NIR for SrTiO3 thin film vibration touch panel applications", Nanotechnology, 2016, Vol. 27, No.50, 505209 (6pp) [PDF]

13. Supriya. A. Patil, Hyun-Jun Hwang, Myeoung-Hyun Yu, Nabeen Shrestha, and Hak-Sung Kim, "Photonic sintering of ZnO nanosheet photoanode using flash white light combined with Deep-UV irradiation for Dye-sensitized solar cells", RSC Advances, 2017, Vol. 7, No. 11, pp. 6565-6573 [PDF]

14. Gyung-Hwan Oh, Hyun-Jun Hwang and Hak-Sung Kim, "Effect of copper oxide shell thickness on flash light sintering of copper nanoparticle ink", RSC Advances, 2017, Vol.7, pp. 17724-17731 [PDF]

15. Hyun-Jun Hwang, Sung-Jun Joo, Supriya. A. Patil, and Hak-Sung Kim, "Efficiency enhancement in dye-sensitized solar cells using shape-dependent plasmonic nanocomposite photoanodes incorporating silver nanoplates", Nanoscale, 2017, Vol. 9, pp. 7960-7969 [PDF]

16. Yong-Rae Jang, Wan-Ho Chung, Yeon-Taek Hwang, Hyun-Jun Hwang, and Hak-Sung Kim, "Selective wavelength plasmonic flash light welding of silver nanowires for transparent electrodes with high conductivity", ACS Applied Materials & Interfaces, 2018, Vol. 10, No. 28, pp. 24099-24107 [PDF]

17. Hyun-Jun Hwang, Dug-Joong Kim, Yong-Rae Jang, Yeon-Taek Hwang, IL-Hyoung Jung, and Hak-Sung Kim*, "Multi-pulsed flash light sintering of copper nanoparticle pastes on silicon wafer for highly-conductive copper electrodes in crystalline silicon solar cells", Applied Surface Science, 2018, Vol. 462, pp. 378-386 [PDF]

18. Hyun-Jun Hwang, Harish Devaraj, Chen Yang, Zhongwei Gao, Chih-hung Chang, Howon Lee, and R. Malhotra, "Rapid Pulsed Light Sintering of Silver Nanowires on Woven Polyester for personal thermal management with enhanced performance, durability and cost-effectiveness", Scientific Reports, 2018, Vol.8, No.17159 [PDF]

19. Soonwook Hong, Yonghyun Lim, Hojae Lee, Wan-Ho Chung, Hyun-Jun Hwang, Hak-Sung Kim, and Young-Beom Kim, "Rapid surface kinetics enhancement via Flash Light Sintering for low-temperature solid oxide fuel cells", Journal of Alloys and Compounds, 2019, Vol. 778, pp. 337-344 [PDF]

20. Hyun-Jun Hwang and R. Malhotra, "Shape-tuned junction resistance and self-damping dynamics in Intense Pulsed Light sintering of silver nanostructure films", ACS Applied Materials & Interfaces, 2019, 11 (3), 3536-3546 [PDF]

21. Hyun-Jun Jeong, Hyun-Mo Lee, Chung Hyeon Ryu, Eun-Jae Park, Ki-Lim Han, Hyun-Jun Hwang, Kyung-Chul Ok, Hak-Sung Kim, and Jin-Seong Park, "Ultra-High Speed Intense Pulsed-Light Irradiation Technique for High-Performance Zinc Oxynitride Thin-Film Transistors", ACS Applied Materials & Interfaces, 2019, 11 (4), 4152-4158 [PDF]

22. Md Naim Jahangir, Jeremy Cleeman, Hyun-Jun Hwang, and Rajiv Malhotra, "Towards Out-of-Chamber Damage-Free Fabrication of Highly Conductive Nanoparticle-Based Circuits inside 3D Printed Thermally Sensitive Polymers", Additive Manufacturing, 2019, Vol. 30, pp.100886 [PDF]

23. Hyun-Jun Hwang, Cheng Zeng, Changqing Pan, Michael Dexter, Rajiv Malhotra, and Chih-hung Chang, "Tuning Electronic and Photocatalytic Properties in Pulsed Light Synthesis of Cu2ZnSnS4 films from CuS-ZnS-SnS Nanoparticles", Materials Research Bulletin, 2020, Vol. 122, pp. 110645 [PDF]

24. Hyun-Jun Hwang, Bharg Shah, and R. Malhotra, "Anomalous Sintering Kinetics between Silver Nanoparticles of Dissimilar Shapes Induced by Recrystallization-Induced Dislocations", 2019 (Preparing)

Academic Publication

Doctoral dissertation: "Flash white light sintering of copper nanoparticle inks for highly conductive and flexible electrode

patterns." (Advisor: Prof. Hak-Sung Kim)

Patents

PCT International:

1. Hak-Sung Kim, Hyun-Jun Hwang, "Multi-photonic annealing and sintering of semiconductor oxide using intense pulsed white light method combined with near infrared and deep ultraviolet irradiation", PCT/KR2015/001550, February 16th 2015.

2. Hak-Sung Kim, Hyun-Jun Hwang, Koduru Mallikarjuna, "Composition for forming copper nanowire network, method for preparing copper nanowire network, and transparent electrode including the same", PCT/KR2016/003125, March 28th 2016.

3. Hak-Sung Kim, Hyun-Jun Hwang, Gyung-Hwan Oh, Deok-Joong Kim, “Copper nanoparticles for photonic sintering on various substrates and Methods of copper conductive ink formulation and photonic sintering using same”, PCT/KR2018/004547, April 19th 2018.

Registered:

1. Hak-Sung Kim, Hyun-Jun Hwang, "Sintering method of semiconductor oxide by using intense pulsed light", 10-1359663, January 27th 2014.

2. Hyun-Jun Hwang, Wan-Ho Chung, Hak-Sung Kim, Jong-Kwang Lim, "Integrated evaluating system for muscle fatigue and muscle force", 10-1421122, July 14th 2014.

3. Wan-Ho Chung, Hyun-Jun Hwang, Dong-Ki Min, Jong-Kwang Lim, Jun-Hong Park, Hak-Sung Kim, "Modeling method for predicting of muscle stiffness and apparatus thereof", 10-1457991, October 29th 2014.

4. Hak-Sung Kim, Hyun-Jun Hwang, "Nanocomposite comprising titanium oxide/metal nanoparticles/ carbon nanostructures, and the preparing the nanocomposite, and DSSC electrode using the nanocomposite", 10-1458759, October 31th 2014.

5. Hyun-Jun Hwang, Wan-Ho Chung, Hak-Sung Kim, Jong-Kwang Lim, "Integrated evaluating system for muscle fatigue and muscle force", 10-1560668, October 8th 2015.

6. Hyun-Jun Hwang, Hak-Sung Kim "Multi-photonic annealing and sintering of semiconductor oxide using intense pulsed white light method combined with near infrared and deep ultraviolet irradiation", 10-1600690, February 29th 2016.

7. Hak-Sung Kim, Wan-Ho Chung, Hyun-Jun Hwang, Jun-Hong Park, Dong-Ki Min, Jong-Kwang Lim, " Method and apparatus for modeling dynamic muscle stiffness and method thereof", 10-1624615, May 20th 2016.

8. Young-Beom Kim, Hak-Sung Kim, Hyun-Jun Hwang, Bong-Jun Koo, Yong-Hyun Lim, "Method of manufacturing planar heating element for high temperature", 10-1637122, June 30th 2016.

9. Hak-Sung Kim, Hyun-Jun Hwang, Sung-Jun Joo, "Composition for forming conductive copper pattern by light sintering including carbon nanostructures, method for preparing conductive copper pattern by light sintering, and electronic device including the conductive copper pattern prepared therefrom", 10-1679144, November 17th 2016. [Technology transferred]

10. Hak-Sung Kim, Hyun-Jun Hwang, Wan-Ho Chung, "Conductive hybrid Cu ink and light sintering method using the same", 10-1729840, April 18th 2017.

11. Hak-Sung Kim, Wan-Ho Chung, Hyun-Jun Hwang, Chung-Hyeon Ryu, Sung-Jun Joo, "Digitizer flexible printed circuits board using light sintering and method for manufacturing thereof", 10-1734765, May 2nd 2017.

12. Hak-Sung Kim, Yeon-Teak Hwang, Wan-Ho Chung, Hyun-Jun Hwang, Yong-Rae Jang, "Method for complex sintering of copper nanoink by selective wavelength irradiation", 10-1785157, September 28th 2017.

13. Hak-Sung Kim, Hyun-Jun Hwang, Supriya A., "Nano Plate Structure and Manufacturing Method thereof, Solar Cell and Manufacturing Method thereof", 10-1795941, November 2nd 2017.

14. Hak-Sung Kim, Hyun-Jun Hwang, Gyung-Hwan Oh, Deok-Joong Kim, “Manufacturing Method for Light Sintering Particle, Light Sintering Target and Light Sintering Method”, 10-1930159, December 11th 2018.

Pending:

1. Hak-Sung Kim, Hyun-Jun Hwang, "Light sintering method of conductive Cu nano ink", 10-2012-0056114, May 27th 2011. [Technology transferred]

2. Hyun-Jun Hwang, Sung-Jun Joo, Hak-Sung Kim, "Conductive composite Cu ink and light sintering method using the same", 10-2014-0044894, April 15th 2014. [Technology transferred]

3. Hak-Sung Kim, Hyun-Jun Hwang, Koduru Mallikarjuna, "Composition for forming copper nanowire network, method for preparing copper nanowire network, and transparent electrode including the same", 10-2015-0045935, April 1st 2015.

4. Hak-Sung Kim, Wan-Ho Chung, Yong-Rae Jang, Hyun-Jun Hwang, "Apparatus for intense pulsed light sintering and manufacturing method of conductive-film using the same", 10-2016-0036147, March 25th 2016. [Technology transferred]

5. Hak-Sung Kim, Jin-Seong Park, Hyun-Jun Hwang, Kyung-Chul Ok, Ki-Lim Han, “Method for manufacturing semiconductor thin layer and thin layer transistor using same”, 10-2017-0016884, February 7th 2017.

Conferences

1. Hyun-Jun Hwang and Hak-Sung Kim, "TiO2/Ag/CNT composite application for high performance DSSC", 18th International Conference on Composite Materials 2011 (ICCM 2011), Aug 2011.

2. Hyun-Jun Hwang and Hak-Sung Kim, "Characterization of flash light sintering for printed copper nanofilms", Nano Korea 2012, Aug 2012.

3. Hyun-Jun Hwang and Hak-Sung Kim, "In-situ monitoring of flash light sintering of copper nanoparticles ink for printed electronics", ICFPE 2012, Sep 2012.

4. Hyun-Jun Hwang, Soo-Chul Lim, Joonah Park and Hak-Sung Kim, "Photonic crystallization of barium strontium titanate thin films using visible flash light and UV irradiation", Materials Research Society (MRS), Apr. 2014.

5. Wan-Ho Chung, Hyun-Jun Hwang and Hak-Sung Kim, "The manufacturing of hybrid copper nano ink for flash light sintering on flexible substrate", Spring World Congress on Engineering and Technology 2014 (SCET 2014), Apr 2014.

6. Gyung-Hwan Oh, Hyun-Jun Hwang and Hak-Sung Kim, "Thickness effect of copper oxide shell on flash light sintering of copper nano-ink", Materials Research Society (MRS), Apr 2015.

7. Hyun-Jun Hwang, Gyung-Hwan Oh, and Hak-Sung Kim, "Effective photonic sintering for highly conductive copper nano-ink film using flash light sintering method combined with Deep UV and NIR light irradiations", Materials Research Society (MRS), Apr 2015.

8. Gyung-Hwan Oh, Hyun-Jun Hwang and Hak-Sung Kim, "Study on the thickness effect of copper oxide shell on flash light sintering of copper nanoparticles ink", International of Materials Research Society(IUMRS), Oct 2015.

9. Taehoon Lee, Yong Chan Jung, Sejong Seong, Hyun-Jun Hwang, Hak-Sung Kim, In-Sung Park, and Jinho Ahn, "The Resistive Switching Characteristics of Transparent Al/ZnO/ITO/PET Resistor with IPL Treatment", The 23rd Korean Conference on Semiconductors (KCS 2016), Feb 2016.

10. Taehoon Lee, Yong Chan Jung, Sejong Seong, Bo Li, Hyun-Jun Hwang, Hak-Sung Kim, In-Sung Park, and Jinho Ahn, "Effect of IPL treatment on the electrical characteristics of transparent metal/ZnO/ITO/PET resistor", International Conference on Electronic Materials and Nanotechnology for Green Environment (ENGE 2016), Nov 2016.

11. Hyun-Jun Hwang, Gyung-Hwan Ohand Hak-Sung Kim, "Study on the flash white light sintering of copper nanoparticles with thick copper oxide shells", Materials Research Society (MRS), Nov 2016.

12. Dug-Joong Kim, Hyun-Jun Hwang, Il-Hyoung Jung, Hak-Sung Kim, "Flash light sintering of copper nanoparticles ink on the silicon wafer for crystalline silicon solar cells", Materials Research Society (MRS), Nov 2016.

13. Michael Dexter, Zhongwei Gao, Chih-hung Chang, Hyun-Jun Hwang, and Rajiv Malhotra, "Rapid Intense Pulsed Light Sintering of Silver Nanowire Networks as Transparent Conducting Electrodes on Polycarbonate: Experiments and Modeling", Materials Science & Technology (MS&T 18), Oct 2018.

14. Harish Devaraj, Hyun-Jun Hwang, and Rajiv Malhotra, "Effect of size distribution on optical absorption during Intense Pulsed Light sintering of metal nanoparticles", International Mechanical Engineering Congress and Exposition (IMECE 2018), Nov 2018

15. Hyun-Jun Hwang, and Rajiv Malhotra, "Pulsed Light Sintering of Silver Nanowire/Nanosphere films", 47th SME North American Manufacturing Research Conference (NAMRC 47), Jun 2019