화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2018년 봄 (04/04 ~ 04/06, 대전컨벤션센터)
권호 43권 1호
발표분야 기능성 고분자
제목 Polymer length dependent FRET behavior on temperature-responsive block copolymer grafted MoS2 nanosheets for a light-induced themographic sensor
초록 Grafted polymer chain length and density on a solid surface are of great importance in controlling their conformational behavior. Herein, we investigate that the characteristics of thermally responsive block copolymer integrated molybdenum disulfide composites (BCP-MoS2) in response to temperature profiles depending on chain length and density. Upon near-infrared light exposure, photothermal energy from MoS2 increased local temperature and induced thermally activated conformational transitions of the BCP on MoS2. These leads to fluorescent signal changes caused by distance-dependent Förster resonance energy transfer (FRET) between the BCP and MoS2. Thus, BCP-MoS2 enable simultaneous PT heating and self-thermal imaging in local environment and these FRET activation are highly rely on the polymer length and chain density.
저자 박찬호1, 이준혁1, Kin Liao2, 김범준1
소속 1KAIST, 2Khalifa Univ.
키워드 stimuli-responsive polymer; FRET; MoS2; block copolymer
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