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Showing 1–3 of 3 results
Advanced filters: Author: Laura Ascherl Clear advanced filters

  • Two-dimensional covalent organic frameworks (2D COFs) enable the construction of bespoke functional materials, but designing dynamic 2D COFs is challenging. Now it has been shown that perylene-diimide-based COFs can open and close their pores upon uptake or removal of guests, while fully retaining their crystalline long-range order. Moreover, the variable COF geometry enables stimuli-responsive optoelectronic properties.

    • Florian Auras
    • Laura Ascherl
    • Thomas Bein
    Research
    Nature Chemistry
    Volume: 16, P: 1373-1380

  • Covalent organic frameworks (COFs) find increasing application as sensor material, but fast switching solvatochromism was not realized. Here the authors demonstrate that combination of electron-rich and -deficient building blocks leads to COFs which fast and reversibly change of their electronic structure depending on the surrounding atmosphere.

    • Laura Ascherl
    • Emrys W. Evans
    • Florian Auras
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8

  • Covalent organic frameworks (COFs) are attractive multifunctional porous materials that can be generated with atomic precision. However, endowing them with long-range order—desirable for applications—has remained challenging. Now, propeller-shaped building units have been used that allow consecutive layers to lock in position, resulting in highly crystalline COFs.

    • Laura Ascherl
    • Torben Sick
    • Thomas Bein
    Research
    Nature Chemistry
    Volume: 8, P: 310-316