Quinoxaline Dendrimers at the Air-Aqueous Interface and Their Photo luminescent Properties
- Authors
- Choi, Soyoung; Eom, Yu Kyung; Kim, Hwan Kyu; Sohn, Daewon
- Issue Date
- Aug-2014
- Publisher
- CHEMICAL SOC JAPAN
- Citation
- CHEMISTRY LETTERS, v.43, no.8, pp.1303 - 1305
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMISTRY LETTERS
- Volume
- 43
- Number
- 8
- Start Page
- 1303
- End Page
- 1305
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143340
- DOI
- 10.1246/cl.140297
- ISSN
- 0366-7022
- Abstract
- The monolayer behaviors of two dendrimers containing a hydrophilic core group (carboxy group) and hydrophobic branches (quinoxaline and methoxyphenyl groups), 2,3-bis{(4-[2,3-bis(4-methoxyphenyl)quinoxalin-6-yloxy]phenyl} quinoxaline-6-carboxylic acid (G2) and 2,3-bis[4-(2,3-bis{4-[2,3-bis(4-methoxyphenyl)quinoxalin-6-yloxy]phenyl} quinoxalin-6-yloxy)phenyl]quinoxaline-6-carboxylic acid (G3), were studied using surface pressure area (II-A) isotherms and atomic force microscopy (AFM). Surface pressure area isotherms show that the limiting area of G2 increased but G3 decreased on the europium ion-containing subphase than on the water subphase. The Langmuir-Blodgett (LB) films of dendrimer europium ion complexes preserve their original luminescent properties and the packing of further layers does not cause quenching of luminescence.
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