Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Soo-Gyun Roh"'
Autor:
Soo Gyun Roh, Jin Moo Seo, Wen Yi Jin, Soo-Min Lee, Jong Hyo Kim, Dong Gyu Jang, Myeong Ja Kwon
Publikováno v:
Bulletin of the Korean Chemical Society. 30:2227-2232
【Novel polythiol materials of urethane lens series for plastic optical lens were synthesized from polyol materials via thioisouronium of thiourea with c-HCl in refluxing aqueous solution, in which polythiol material was carried out from hydrolysis
Autor:
Dong-Hyun Lee, Hwan Kyu Kim, Yong Hee Kim, Ji-Hoon Lee, Soo-Gyun Roh, Kang Deuk Seo, Jongwook Park, Youngil Park
Publikováno v:
Advanced Functional Materials. 19:1663-1671
New Zn(II)-chelated complexes based on benzothiazole derivatives, including substituted functional groups such as methyl (MeZn), methoxy (MeOZn), or fluorenyl unit (FuZn), are investigated to produce white-light emission. 2-(2-Hydroxyphenyl)benzothia
Publikováno v:
Bulletin of the Korean Chemical Society. 28:1249-1255
We have investigated the photophysical properties of dansyl-N-methylaminobenzoic acid (DABAH) as a ligand and its lanthanide (Ln 3+ )-cored complexes (Ln 3+ -(DABA) 3 (terpy)) in order to determine the main energy transfer pathway for sensitized near
Autor:
Nam Seob Baek, Soo Gyun Roh, Bok Ju Song, Min Kook Nah, Hwan Kyu Kim, Jae Buem Oh, Yong Hee Kim
Publikováno v:
Macromolecular Research. 15:272-279
Recently, luminescent lanthanide complexes have considerable interest because of their academic interests and potential utility in a wide variety of photonic applications, such as planar waveguide amplifiers, plastic lasers, lightemitting diodes, and
Publikováno v:
Bulletin of the Korean Chemical Society. 28:33-40
We have designed and synthesized three Zn(II)-porphyrin derivatives, such as Zn(II) porphyrin ([G-0]Zn-Pl) and aryl ether-typed dendron substituted Zn(II)-porphyrin derivatives ([G-1]Zn-P1 and [G-1]Zn-P-CN1). Their chemical structures were characteri
Publikováno v:
Advanced Functional Materials. 16:1873-1882
A series of inert and photostable encapsulated lanthanide(III) complexes-based on dendritic anthracene ligands-is shown for the first time to exhibit strong near-IR emission bands via efficient energy transfer from the excited states of the periphera
Publikováno v:
Molecular Crystals and Liquid Crystals. 446:295-304
Novel luminescent Ln(III)-chelated complexes based on dansyl-N-methyl-aminobenzoic acid exhibited the strong near IR emission bands of the characteristic 4I13/2 → 4I15/2 transition of Er(III) ion around 1530 nm and the characteristic 4F3/2 → 4F9/
Autor:
Soo-Gyun Roh, Guijiang Zhou, Nam Seob Baek, Kyung-Soo Hong, Jae Buem Oh, Jae-Won Ka, Hwan Kyu Kim, Min Kook Nah, Bok Joo Song, Yong Hee Kim
Publikováno v:
Journal of Nonlinear Optical Physics & Materials. 14:555-564
We have designed and developed novel lanthanide(III)-cored supramolecular systems with light-harvesting dendritic arrays for advanced photonics applications such as planar waveguide amplifiers, plastic lasers, and light-emitting diodes. The supramole
Publikováno v:
Bulletin of the Korean Chemical Society. 26:201-214
metalloporphyrins and naphthalenes. The energy levels of the luminescent ligands were tailored to maintain the effective energy transfer process from luminescent ligands to Ln 3+ ions for getting a higher optical amplification gain. Also, key paramet
Publikováno v:
Polyhedron. 24:137-142
An Er(III)-chelated complex exhibits a strong intensity NIR emission around 1.53 μm. It can be attributed to an efficient energy transfer between organic ligand and Er ion, since there is a spectral overlap between the emission band of the organic l