화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2021년 가을 (10/20 ~ 10/22, 경주컨벤션센터)
권호 46권 2호
발표분야 고분자 가공/복합재료
제목 Formation of Functionalized Small Gold Nanoparticle Superlattices with Large Lattice Size in Block Copolymer
초록 We have investigated the phase behavior of hydrophilically-functionalized gold nanoparticles (p-AuNPs) with a concentrated Pluronic P85 block copolymer ((EO)26(PO)40(EO)26) complex in aqueous solution by using small angle X-ray scattering measurements. Depending on the concentration of p-AuNPs, the p-AuNP/Pluronic P85 complex formed two kinds of superlattice structures, unary or binary structures with large lattice size, in aqueous solution. SAXS measurements showed that the lattice size of the structures identified by indexing of the first Bragg reflection, was ~ 30 nm, which is significantly bigger than the used AuNPs with a diameter of 3.98 nm. This approach can provide a relatively simple procedures for different nanoparticle assemblies in bulk, which is inconsistent with the DNA programmable nanoparticles system and solvent evaporation method.
저자 윤영진, 전상우, 김태환
소속 전북대
키워드 AuNP; nanoparticle; SAXS; superlattice
E-Mail taehwan@jbnu.ac.kr