(1) Europe-Korea Conference (EKC) 2014 (July 2014, Vienna, Austria)
(Poster) Yuljae Cho et al., “Hybrid optoelectric device based on graphene and colloidal quantum dots by a transfer printing method”. Best Poster Awards
(2) European Materials Research Society (EMRS) 2016 (September 2016, Warsaw, Poland)
(Poster) Yuljae Cho et al., “Enhanced energy harvesting based on surface morphology engineering of P(VDF-TrFE) film
(3) European Nanoelectronic Forum 2016 (November 2016, Rome, Italy)
(Project Dissemination) Yuljae Cho et al., “Multi-Sensor-Platform for Smart Building Management”.
(4) Europe-Korea Conference (EKC) 2017 (July 2017, Stockholm, Sweden)
(Oral) Yuljae Cho, “Enhanced ferroelectric property of P(VDF-TrFE-CTFE) film using room temperature crystallization for high performance ferroelectric device applications”.
(5) Materials Research Society (MRS) Fall 2018 (November 2018, Boston, USA)
(Oral) Yuljae Cho, “Enhanced Charge Carrier Transport Assisted by a Piezoelectric Effect in a Flexible Quantum Dot Solar Cell”.
(6) International Congress on Ceramics (ICC8) 2021 (April 2021, Busan, Korea/Online)
(Invited Speaker) Yuljae Cho, “Textile Fiber-Based Triboelectric Energy Harvesting for Self-Powered Wearable Electronics”.
(7) GEO Graduate Seminar Series, UM-SJTU JI (October 2021, Shanghai, China)
(Guest Speaker) Yuljae Cho, “Quantum dots for energy generation and saving technology”.
(8) ENGR1000J Intro To Engineering, UM-SJTU JI (November 2021, Shanghai, China)
(Guest Speaker) Yuljae Cho, “Nanoscale semiconducting materials for energy research”.
(9) Materials Science, Engineering & Technology International (MSI) Conference 2022 (December 2022, Dubai, UAE/Online)
(Invited Speaker) Yuljae Cho, “Hybrid Smart Fiber with Spontaneous Self-Charging for Wearable Electronic Applications”.
(10) ENGR1000J Intro To Engineering, UM-SJTU JI (November 2022, Shanghai, China)
(Guest Speaker) Yuljae Cho, “Nanoscale semiconducting materials for energy research”.
(11) Materials Research Society (MRS) Spring 2023 (April 2023, San Francisco, USA/Online)
(Oral) Yuljae Cho, “Hybrid Smart Fiber with Spontaneous Self-Charging for Wearable Electronic Applications”.
(12) Korean Scientists and Engineers Association in China 2023 Spring Conference (May 2023, Shanghai, China)
(Invited Lecture) Yuljae Cho, “Environmental Energy Harvesting for Self-Powered Electronics”.
(13) International Meeting on Information Display (IMID) 2023 (August 2023, Busan, Korea)
(Invited Speaker) Yuljae Cho, “Modulated white light emission through ferro-phototronic effect”.
(Session Chair) Topic: Emerging Materials and Devices for Display Technology; Session: Perovskite Materials & Their Applications
(14) Technological innovation leading the future : from nano to earth (December 2023, GNU, Jinju, Korea/Online)
(Invited Lecture) Yulae Cho, “Environmental Energy Harvesting Towards Self-Powered Electronics”.
(15) International Conference on Display Technology (ICDT) 2024 (April 2024, Hefei, China)
Selected as Young Leader and Invited to Young Leader Conference
Yuljae Cho, “Local energy band and charge carrier modulation by ferro-/piezo-phototronic effect in optoelectronic devices”.
(16) 21st International Symposium on the Physics of Semiconductors and Applications (June 2024, Jeju, Korea)
(Invited Talk) Yuljae Cho, “Ambient energy harvesting for self-powered electronics and health monitoring”.
(17) 12th Asia-Korea Conference 2024 (13-17th November 2024, Shanghai, China)
(Invited Talk) Yuljae Cho, “Environmental Energy Harvesting Towards Self-Powered Electronics”.
(Session Chair) Topic: Advanced Materials
(18) Yuljae Cho, Guest Talk at Prof. Sang Il Seok’s Research Lab, Ulsan National Institute of Science and Technology (7th February 2025)
(19) Yuljae Cho, Guest Talk at Prof. SeungNam Cha’s Research Lab, Sungkyunkwan University (31st March 2025)
(20) Yuljae Cho, Guest Talk at Prof. Jung Inn Sohn’s Research Lab, Dongguk University (1st April 2025)
(21) 3rd International Conference on Frontier Materials 2025 (18-22nd April 2025, Wuxi, China)
(Invited Talk) Yuljae Cho, “Environmental Energy Harvesting for Self-Powered Devices”.
(Poster) Yujian Du, Yuljae Cho*, “Enhanced performance of quasi-2D perovskite self-powered photodetector by bandgap engineering through ferroelectric”.
(Poster) Zhaoyue Yang, Yuljae Cho*, “Enhancing Quasi-2D Perovskite Solar Cells with Ferroelectric Polymers: A Bias-Free Approach via Solvent Engineering”. Poster Award
(22) (Invited Talk) Yuljae Cho, “Environmental Energy Harvesting Towards Self-Powered Devices” at Xidian University 西安电子科技大学 (12th May 2025, Xi’an, China)
(23) 3rd Global Conference of Innovation Materials (15-19th June 2025, Jeju, Korea)
(Invited Speaker) Yuljae Cho, “Modulation of Local Energy Bands and Charge Carriers via Ferro-/Piezo-Phototronic Effects in Optoelectronic Devices” at Korea-UK Joint Symposium on Convergent Materials Research.
(24) 7th International Conference on Nanoenergy and Nanosystems (NENS) (28-30th June 2025, Beijing, China)
(Invited Speaker) Yuljae Cho, “Self-powered sensors enabled by energy harvesting and interface engineering”.