| 학회 | 한국재료학회 |
| 학술대회 | 2020년 가을 (11/18 ~ 11/20, 휘닉스 제주 섭지코지) |
| 권호 | 26권 1호 |
| 발표분야 | F. 광기능/디스플레이 재료 분과 |
| 제목 | Enhanced photoluminescence properties of Eu-doepd POSS hybrid phosphors for applications |
| 초록 | Recently, polyhedral oligomeric silsesquioxane (POSS) materials have attracted much attention due to their unique thermal, chemical, and mechanical stabilities derived from their siloxane (Si–O–Si) frameworks, which have high bond energies. Furthermore, POSSs exhibit excellent compatibility with organic materials because of their inorganic core with various functional organic substituents. In this study, we have described a novel organic-inorganic hybrid polyhedral oligomeric silsesquioxane (POSS) type monomer ligand 2,6-pyridinediamine-bis-propanylheptaisobutyl POSS (PDC-POSS) and synthesized in the preparation of luminescent hybrid complex europium doped PDC-POSS phosphors. The photoluminescence (PL) spectrum of Eu3+-doped PDC-POSS was detected at 591, 615, 650, 693 nm under excitation of UV light (λ = 285 nm). Transparent thin films were deposited from aqueous colloidal solution of hybrid phosphors on bank note, plastic card substrates, and cotton fiber to demonstrate high transparency of phosphor thin films feasible to anti-counterfeiting application which requires concealment and identification by naked eyes. Acknowledgement This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (grant number) (NRF-2020R1F1A1072616). |
| 저자 | Bo ra Jeong1, Jae yong Jung2, Seong jun An1, Na gyeong Kim2, Hyun Jae Kim1, Soung soo Yi2 |
| 소속 | 1Department of Materials Science and Engineering, 2Silla Univ. |
| 키워드 | POSS; Photoluminescence; Anti-counterfeiting; Flexible; Hybrid |
