Chiral mesostructured SnO2 films with tunable optical activities

被引:8
|
作者
Shen, Qing [1 ]
Mao, Wenting [1 ]
Han, Lu [2 ]
Duan, Yingying [2 ]
Che, Shunai [1 ,2 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, State Key Lab Met Matrix Composites, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
[2] Tongji Univ, Sch Chem Sci & Engn, 1239 Siping Rd, Shanghai 200092, Peoples R China
基金
中国国家自然科学基金;
关键词
Chirality; Inorganic material; SnO2; Tunable optical activity; NANOPARTICLES; NANOSHEETS; SENSOR;
D O I
10.1016/j.optmat.2019.04.055
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
New strategies for tunable optical activities (OAs) are of fundamental importance in the advancement of science and technology. Here, we report hierarchically chiral mesostructured SnO2 films (CMSFs) deposited on FTO substrates via a symmetry breaking agent-inducing method. Three levels of chiral structures exist in the film, including tertiary plates helically arranged in fan-like form, secondary subplates helically stacked along [001] direction and primary nanosheets twisted along [100] direction. The thickness of plates was significantly increased with decreasing reactants concentration due to slower and preferential growth of plates along [001] direction, The increasing number of nanosheets results in enhancement and red shift of circular dichroism (CD) signals based on electron-transition absorption and reflection-based OA, which is in accordance with the circular Bragg resonance theory. Such novel chiral films with tunable OAs and morphologies may bring new ideas for design and synthesis of chiral inorganic materials with specific chirality and OA in the nanomaterial field.
引用
收藏
页码:21 / 27
页数:7
相关论文
共 50 条
  • [21] Nonlinear optical properties of cobalt doped SnO2 thin films
    Ayachi, Mohammed Lakhdar
    Difallah, Mosbah
    Benhaoua, B.
    OPTIK, 2023, 272
  • [22] INFLUENCE OF IMPURITIES ON THE STRUCTURE AND OPTICAL-PROPERTIES OF SNO2 FILMS
    IVANTSEV, AS
    KONYASHKINA, VI
    INORGANIC MATERIALS, 1979, 15 (12) : 1767 - 1768
  • [23] Optical and electrical properties of F doped SnO2 thin films
    Bogle, Kashinath A.
    More, Kiran D.
    Begum, Sumayya
    Dadge, Jagdish W.
    Mahabole, Megha P.
    Khairnar, Rajendra S.
    INDIAN JOURNAL OF PURE & APPLIED PHYSICS, 2018, 56 (10) : 755 - 758
  • [24] Effect of Co doping on optical parameters of SnO2 thin films
    Gurakar, Sibel
    Serin, Tulay
    OPTICAL MATERIALS, 2021, 111 (111)
  • [25] ENHANCEMENTS OF STRUCTURAL AND OPTICAL PROPERTIES OF MgO: SnO2 NANOSTRUCTURE FILMS
    Ayoub, R. H.
    Al-Timimi, Muhammad H.
    Abdullah, M. Z.
    EAST EUROPEAN JOURNAL OF PHYSICS, 2023, (03): : 546 - 554
  • [26] Magneto-optical Kerr-effect enhancement in glass/Cu/SnO2/Co/SnO2 thin films
    Ghanaatshoar, Majid
    Moradi, Mehrdad
    OPTICAL ENGINEERING, 2011, 50 (09)
  • [27] Comparison of some physical properties for SnO2, SnO2: F and SnO2: Sb films deposited on glass substrates
    Tatar, Demet
    Turgut, Guven
    Sonmez, Erdal
    Duzgun, Bahattin
    JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 2013, 15 (9-10): : 1026 - 1031
  • [28] STRUCTURE AND PROPERTIES OF SNO2 FILMS
    ANISHCHIK, VM
    KONYUSHKO, LI
    YARMOLOVICH, VA
    GORBACHEVSKII, DA
    GERASIMOVA, TG
    INORGANIC MATERIALS, 1995, 31 (03) : 313 - 316
  • [29] Studies on spray deposited SnO2, Pd:SnO2 and F:SnO2 thin films for gas sensor applications
    Subramanian, NS
    Santhi, B
    Sundareswaran, S
    Venkatakrishnan, KS
    SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY, 2006, 36 (01) : 131 - 135
  • [30] Lithographic patterning of benzoylacetone modified SnO2 and SnO2:Sb thin films
    Kololuoma, T
    Kärkkäinen, AHO
    Tolonen, A
    Rantala, JT
    THIN SOLID FILMS, 2003, 440 (1-2) : 184 - 189