Organic Nanomaterials Lab.

Prof. Dong Hwan Wang (Ph. D.)

[Distinguished Scholar] in Chung-Ang University, Professor

• Mar. 1, 2020 ~ Present : Full Professor  in Chung-Ang University, Seoul, Korea
• Mar. 1, 2020 ~ Feb. 28, 2021 : Invited Exchanged Professor at University of California Santa Barbara, U.S.A (Prof. Quyen Group in Chemistry Depart.)
• Mar. 2019 ~ Present : Distinguished Scholar in Chung-Ang University, Seoul, Korea
• Mar. 2018 ~ Feb. 2019: Associate Professor, School of Integrative Engineering, Chung-Ang University, Seoul, Korea
• Mar. 2014 ~ Feb. 2017: Assistant Professor, School of Integrative Engineering, Chung-Ang University, Seoul, Korea
• Mar. 2012 ~ Feb. 2014: Post Doctoral Researcher at University of California Santa Barbara, U.S.A (Center for Polymers and Organic Solids, Prof. Alan J. Heeger group – Nobel Prize in Chemistry(2000))
• May 2010 ~ May 2011: Exchange Researcher at University of California Santa Barbara (Center for Polymers and Organic Solids, Prof. Alan J. Heeger – Nobel Prize in Chemistry(2000))
• May 2008 ~ Present: Associate Scientist at Sungkyunkwan University, Suwon, Korea
• Feb. 2007 ~ Feb. 2009: Customized Educational Polymer Program, KAIST and Samsung Cheil Industry
• Nov. 2005 ~ Jan. 2006: Student Apprentice, Winter Intern, LG Electronics Co., Ltd. Seoul, Korea

2. Education: 

• Feb 2009 – Feb 2012
  Ph.D, Chemical and Biomolecular Engineering, KAIST, Korea, (Advisor: Prof. O Ok Park) Dissertation: “Efficient Donor-Acceptor Polymer Solar Cells with Controlled Nano Structure and Morphology”
• Feb. 2007 – Feb. 2009
  Master’s Degree, Chemical and Biomolecular Engineering, KAIST, Korea, (Advisor: Prof. O Ok Park) Thesis: “Study on the polymer solar cells with thermally stable TiOx protecting layer”
• Mar. 2001 – Feb. 2007
  Bachelor’s degree, Chemical Engineering, Hanyang University, Korea, Thesis: “Manufacturing the AAO template at the large size substrate for synthesis of Silicon nano-structure”

3. Selected Publication:

1. Dong Hwan Wang, Jung Kyu Kim, O Ok Park, Jong Hyeok Park, “Analysis of surface morphological changes in organic photovoltaic devices”, Energy & Environmental Science, v. 4, pp. 1434-1439 (2011).
2. Dong Hwan Wang, Do Youb Kim, Kyeong Woo Choi, Jung Hwa Seo, Sang Hyuk Im, Jong Hyeok Park, O Ok Park, Alan J. Heeger, “Enhancement of power conversion efficiency from Au nanoparticles in donor-acceptor polymer bulk-heterojunction solar cells”, Angewandte Chemie International Edition, v. 50, pp. 5519-5523 (2011) – Highlighted on the Back Cover and as a Hot Paper.
3. Dong Hwan Wang, Ji Sun Moon, Jason Seifter, Jang Jo, Jong Hyeok Park, O Ok Park, Alan J. Heeger, “Sequential Processing: Control of Nano-Morphology in Bulk Heterojunction Solar Cells” Nano Letters, v. 11, pp. 3163-3168 (2011).
4. Dong Hwan Wang, Keum Hwan Park, Jung Hwa Seo, Jason Seifter, Ji Hye Jeon, Jong Hyeok Park, O Ok Park, Alan J. Heeger, “Enhanced Power Conversion Efficiency in PCDTBT/PC₇₀BM Bulk Heterojunction Photovoltaic Devices with Embedded Silver Nanoparticle Clusters”, Advanced Energy Materials, v. 1, pp. 766-770 (2011).
5. Dong Hwan Wang, Jason Seifter, Jong Hyeok Park, Dae-Geun Choi, Alan J. Heeger, “Efficiency Increase in Flexible Bulk Heterojunction Solar Cells with a Nano-Patterned Indium Zinc Oxide Anode”, Advanced Energy Materials, v. 2, pp. 1319-1322 (2012) – Highlighted on the Inside Cover.
6. Dong Hwan Wang, Agnieszka Pron, Mario Leclerc, Alan J. Heeger, “Additive-Free Bulk Heterojuction Solar Cells with Enhancement of Power Conversion Efficiency, Comprizing Newly Designed Selenophene-Thienopyrrolodione Copolymer”, Advanced Functional Materials, v. 23, issue. 10, pp. 1297-1304 (2013) - Most Accessed in Oct. 2012.
7. Dong Hwan Wang, Jung Kyu Kim, Jung Hwa Seo, Jong Hyeok Park, Alan J. Heeger, “Transferable Graphene Oxide of Novel Electron Transport Layer for Efficient Bulk-Heterojunction Solar Cells by Stamping Nanotechnology”, Angewandte Chemie International Edition,v. 52, pp. 2874-2880 (2013). – Highlighted on the Frontispiece Cover Image, Angewandte Chemie Symposium (125-year) in Berlin, selected by “Solar Cells” Hot Topics, and Most Accessed in March 2013.
8. Aung Ko Ko Kyaw⁺, Dong Hwan Wang⁺, Vinay Gupta, Wei Lin Long, Lin Ke, Guillermo C. Bazan, Alan J. Heeger, “Intensity dependence of current-voltage characteristics and recombination in high efficiency solution-processed small-molecule solar cells”, ACS NANO,v. 7 (No. 5), pp. 4569-4577 (2013), ⁺Equally contributed.
9. Dong Hwan Wang, Aung Ko Ko Kyaw, Vinay Gupta, Guillermo C. Bazan, Alan J. Heeger, “Enhanced efficiency parameters of solution processable small molecule solar cells depending on ITO-sheet resistance”,Advanced Energy Materials, v. 3, issue 9, pp. 1161-1165 (2013) – Most Accessed in May 2013.
10. Aung Ko Ko Kyaw⁺, Dong Hwan Wang⁺, Jie Zhang, Thuc-Quyen Nguyen, Guillermo C. Bazan, Alan J. Heeger, “Improved Light Harvesting and Improved Efficiency by Insertion of an Optical Spacer (ZnO) in Solution-processed Small-molecule Solar Cells”, Nano Letters,v. 13, pp. 3796-3801 (2013), ⁺Equally contributed - Most Accessed in July 2013.
11. Dong Hwan Wang, Aung Ko Ko Kyaw, Jean-Rémi Pouliot, Mario Leclerc, “Efficient Low Band-gap Polymer Solar Cells with Optimized Binary Processing Additive”, Advanced Energy Materials, v. 4, pp. 1300835 (1-6) (2014)
12. Aung Ko Ko Kyaw⁺, Dong Hwan Wang⁺, Chan Luo, Yong Cao, Guillermo C. Bazan and Alan J. Heeger, “Effects of Solvent Additive on Morphology, Charge Generation, Transport and Recombination in Solution-Processed Small-Molecule Solar Cells”, Advanced Energy Materials, ⁺Equally contributed,  v. 4, pp. 1301469 (1-9) (2014).
13. Woongsik Jang, Shafket Rasool, Byung Gi Kim, Jehan Kim, Jinhwan Yoon, Sergei Manzhos, Hang Ken Lee, Il Jeon* and Dong Hwan Wang*, “Superior Noise Suppression, Response time, and Device Stability of Non-Fullerene System over Fullerene Counterpart in Organic Photodiode”, Advanced Functional Materials, v. 30(45), 2001402  (IF = 18.808, Corresponding author).
14. Min Soo Kim, Woongsik Jang, Thuc-Quyen Nguyen*, Dong Hwan Wang** “Morphology Inversion of a Non-Fullerene Acceptor via Adhesion Controlled Decal-Coating for Efficient Conversion and Detection in Organic Electronics” Advanced Functional Materials, 38. 2103705 (IF = 18.808, Corresponding author).
15. Woongsik Jang, Byung Gi Kim, Ahmed Shawky, Seungju Seo, Min Soo Kim, Kyusun Kim, Qiang Zhang, Esko I. Kauppinen, Shigeo Maruyama, Il Jeon*, and Dong Hwan Wang* “Strong Dark Current Suppression in Flexible Organic Photodetectors by Carbon Nanotube Transparent Electrodes” Nano Today v.37, pp. 101081 (IF= 20.722, Corresponding author).

Editorial Board Member of “Polymers” [IF = 3.426 ]

Prof. Dr. Dong Hwan Wang

School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea Website | E-Mail Interests: Organic Electronics (OPV, OPD, and Perovskite); Device Physics; Nanomaterials (Synthesis and Characterization); Nanomorphology Control; Nanopatterning; Oxide Materials; Stamping-Transfer Nanotechnology Special Issues and Collections in MDPI journals: Special Issue in Polymers: Polymers for Energy Applications Special Issue in Polymers: Polymer-Based Solar Cells

https://www.mdpi.com/journal/polymers/editors

Editorial Board Member of “Applied Sciences” [IF = 2.474]

Prof. Dr. Dong Hwan Wang

School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea Website | E-Mail Interests: Organic Electronics (OPV, OPD, and Perovskite); Device Physics; Nanomaterials (Synthesis and Characterization); Nanomorphology Control; Nanopatterning; Oxide Materials; Stamping-Transfer Nanotechnology Special Issues and Collections in MDPI journals: Special Issue in Polymers: Polymers for Energy Applications Special Issue in Polymers: Polymer-Based Solar Cells

https://www.mdpi.com/journal/applsci/editors

Current Contact Information: Center for Polymers and Organic Solids (CPOS), e-mail: donghwan@ucsb.edu, Office: Chemistry Bldg. 2nd Floor, UC Santa Barbara CA93117