2026~Now

[37]    MRS Spring in Honolulu, Hawaii. USA (Apr. 2026), Invited

2021~2025

[36]    Nature Conference in Beijing,  China (Nov. 2025), Invited

[35]    2D TMD in Cambridege, UK (July. 2025), Invited

[34]    제12회 한국그래핀/2차원 소재 심포지엄  in Pusan, KR (July. 2025), Invited

[33]    고분자공학회 춘계 in Jeju, KR (Apr. 2025), Invited

[32]    MRS Spring in Seattle, WA. USA (Apr. 2025), Invited

[31]    IEEE EDTM in Hong Kong (Mar. 2025), Invited

[30]    MRS Fall in Boston, MA. USA (Dec. 2024), Invited

[29]    한국방사선산업학회 KSRI2024 정기총회 및 학술발표대회 in Yeosu, KR (Aug. 2024), Keynote

[28]    제11회 한국그래핀/2차원 소재 심포지엄  in Pusan, KR (July. 2024), Invited

[27]    2D Experimental Pilot Line Symposium in Brussels, BE (June. 2024), Keynote

[26]    2D TMD in Hong Kong. HK (May. 2024), Invited

[25]    제18차 유전체 연합 심포지엄 in Busan. KR (Jan. 2024), Invited

[24]    제31회 반도체학술대회 (J. Nano-Science & Technology) in Gyeongju, KR (Jan. 2024), Invited

[23]    MRS Fall in Boston, MA. USA (Dec. 2023), Invited

[22]    Nature Conference in Seoul,  Korea (Nov. 2023), Invited

[21]    Gordon Research Conference (2D Electronics) in Manchester, NH. USA (June. 2022), Invited

[20]    Graphene in Grenoble, France (Oct. 2021), Invited

[19]    Nano Korea in Ilsan, Korea (July. 2021), Invited

2016~2020

[18]    MRS Fall in Boston, MA. USA (Dec. 2019), Invited

[17]    EU-KOREA Workshop in Seoul, Korea (Oct. 2019), Invited

[16]    Nano Korea in Ilsan, Korea (July. 2018), Tutorial

[15]    Graphene in Dresden, Germany (June. 2018), Invited

[14]    Nanogenerator and Piezotronics in Seoul, Korea (May. 2018), Invited

[13]    MRS Spring in Phoenix, USA (March. 2018), Invited

[12]    EU-KOREA Workshop in Jeju, Korea (Dec. 2017), Invited

[11]    ECS in Washington, USA (Oct. 2017), Invited

[10]    RPGR in Seoul, Korea (Sep. 2016), Invited

[9]      EU-KOREA Workshop in Copenhagen, Denmark (Oct. 2016), Invited

[8]      AFM in Jeju, Korea (Oct. 2016), Invited

[7]      Nanogenerator and Piezotronics in Rome, Italy (June. 2016), Oral

2010~2015

[6]     Graphene in Dresden, Germany (June. 2015), Oral

[5]     MRS Spring in San Francisco, CA. USA (Apr. 2014), Oral

[4]     MRS Fall in Boston, MA. USA (Dec. 2012), Invited

[3]     Graphene Week in Delft, Netherlands. (June. 2012), Oral

[2]     MRS Spring in San Francisco, CA. USA (Apr. 2012), Oral

[1]     SPE KOREA in Deajeon. Korea. (Nov. 2010), Invited