title: Spontaneous emission control of CdSe/ZnS nanoparticle monolayer in polymer nanosheet waveguide assembled on a one-dimensional silver grating surface.
abstract: We present spontaneous emission control of a core-shell CdSe/ZnS nanoparticle array assembled with polymer ultrathin films consisting of polymer nanosheets on a silver grating substrate, which served as a unique and simple photonic cavity. The grating-coupled waveguide modes enabled 10(3) order luminescence enhancement and one-fourth spectral narrowing. The light emission from a CdSe/ZnS nanoparticle array can be controlled by tuning the film thickness of hybrid polymer nanoassemblies, which provides multiple emission performance with good tuning ability from red to green at low-power continuous wave laser excitation (∼μW).
authors.affiliation: Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan. masaya@tagen.tohoku.ac.jp
authors.forename: Masaya
authors.initials: M
authors.lastname: Mitsuishi
authors.forename: Shimpei
authors.initials: S
authors.lastname: Morita
authors.forename: Keiko
authors.initials: K
authors.lastname: Tawa
authors.forename: Junji
authors.initials: J
authors.lastname: Nishii
authors.forename: Tokuji
authors.initials: T
authors.lastname: Miyashita
mesh_terms: D019187:Cadmium Compounds / Q000737:chemistry*; D008567:Membranes, Artificial; D049329:Nanostructures / Q000737:chemistry*; D011108:Polymers / Q000737:chemistry*; D018036:Selenium Compounds / Q000737:chemistry*; D012834:Silver / Q000737:chemistry*; D013440:Sulfides / Q000737:chemistry*; D013499:Surface Properties; D017967:Zinc Compounds / Q000737:chemistry*
chemical_list: D019187:Cadmium Compounds; D008567:Membranes, Artificial; D011108:Polymers; D018036:Selenium Compounds; D013440:Sulfides; D017967:Zinc Compounds; D012834:Silver; C058667:cadmium selenide; C031238:zinc sulfide