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Showing 1–4 of 4 results
Advanced filters: Author: Cordelia Selomulya Clear advanced filters

  • Doping mesoporous materials is an attractive way to tune their properties, but typically disrupts the host materials’ structures. Ultrasmall graphitic pencil nanodots have now been prepared, doped with heteroatoms, and inserted in a well-dispersed manner within the ordered structure of mesoporous materials including TiO2, carbon and silica, by a co-assembly approach.

    • Biao Kong
    • Jing Tang
    • Dongyuan Zhao
    Research
    Nature Chemistry
    Volume: 8, P: 171-178

  • A general method for assembling patterned interfaces of uniform, flexible mesoporous iron oxide nanopyramid islands is presented. The 3D porous interfaces possess a unique mesostructure that features a large surface area, a large pore size and excellent flexibility. Furthermore, the 3D porous Au–NPI interfaces allow efficient immobilization of cytochrome c and a significant enhancement of localized surface plasmon resonance. More importantly, the ultrasensitive integrated interfaces demonstrate over 1000-fold enhancement of the photocurrent variation on the 3D mesostructures based on the switchable direct electrochemistry cytochrome c. The strategy of interfacial assembly offers new possibilities for the chemical design of patterned mesoporous semiconductors with high flexibility and tailored photocatalytic characteristics.

    • Biao Kong
    • Debabrata Sikdar
    • Dongyuan Zhao
    ResearchOpen Access
    NPG Asia Materials
    Volume: 7, P: e204

  • Unconventional nanoporous antenna-like heterostructure arrays, inspired by insect tentacles, are developed for efficient interfacial sensing of biomolecules and cellular activities. The obtained nanoporous cubes (head segments) serve as a robust substrate for site-selective cell adhesion and culture, allowing for sensitive detection of biomolecules. Meanwhile, the single-crystalline nanowires (arm segment) provide efficient charge transport toward the electrode substrate. The inspired hetero-biointerfaces exhibit substantial enhanced electrocatalytic activity and sensitivity for biomolecules.

    • Biao Kong
    • Jing Tang
    • Dongyuan Zhao
    ResearchOpen Access
    NPG Asia Materials
    Volume: 6, P: e117