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Showing 1–6 of 6 results
Advanced filters: Author: Wojciech Danowski Clear advanced filters

  • Despite numerous potential applications, the development of light-responsive solid materials based on molecular photoswitches is impeded by the low efficiency of photoisomerization in the solid environment. Now a robust, solid porous material made from tetraphenylmethane and a photoswitchable overcrowded alkene exhibits nearly quantitative photoisomerization in the bulk and in photomodulation of gas uptake.

    • Fabio Castiglioni
    • Wojciech Danowski
    • Ben L. Feringa
    Research
    Nature Chemistry
    Volume: 12, P: 595-602

  • Micrometre-thick oriented 2D covalent organic framework (COF) films are prepared via kinetically trapped 3D covalent adaptable network (CAN) intermediates. Imine-linked CANs are formed through solution casting and align spontaneously during solvent evaporation. Upon solvothermal treatment, the amorphous CANs are converted into porous crystalline COF films without losing their molecular alignment.

    • Luca Cusin
    • Piotr Cieciórski
    • Paolo Samorì
    ResearchOpen Access
    Nature Synthesis
    Volume: 4, P: 632-641

  • Overcrowded alkene-derived molecular motors convert light and heat into chirality-directed unidirectional rotary motion, but the efficiency of their photochemical isomerization remains limited. Now formylation of the motor core has been shown to boost all aspects of motor photochemistry by improving photochemical efficiency, diminishing competing processes and redshifting absorption.

    • Jinyu Sheng
    • Wojciech Danowski
    • Ben L. Feringa
    Research
    Nature Chemistry
    Volume: 16, P: 1330-1338

  • The application of photoswitches as light-responsive triggers for phase transitions of porous materials remains poorly explored. Here, the authors report a light-responsive flexible metal-organic framework which undergoes pore contraction upon combined application of light irradiation and adsorption stress via a buckling process of the framework-embedded azobenzene photoswitch.

    • Simon Krause
    • Jack D. Evans
    • Ben L. Feringa
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • Overcrowded alkene-based motors are made part of the crystalline structure of a metal–organic framework. It is shown that they retain the same rotatory speed and unidirectionality as in solution.

    • Wojciech Danowski
    • Thomas van Leeuwen
    • Ben L. Feringa
    Research
    Nature Nanotechnology
    Volume: 14, P: 488-494