In 2022,Mukherjee, Anurag; Barman, Shubhankar; Ghosh, Anupam; Datta, Ayan; Datta, Anuja; Ghosh, Suhrit published an article in Angewandte Chemie, International Edition. The title of the article was 《A Hierarchical (Macro)molecular Assembly Assisted by Donor-Acceptor Charge-Transfer Interactions Exhibiting Room-Temperature Ferroelectricity》.Related Products of 534-03-2 The author mentioned the following in the article:
This communication reveals co-assembly of an electron-deficient naphthalene-diimide (NDI)-appended polyurethane (P1) and electron-rich pyrene (Py), forming an organogel with prominent room-temperature ferroelectricity. In a non-polar medium, intra-chain hydrogen-bonding among the urethane groups of P1 produces a folded structure with an array of the NDIs in the periphery, which intercalate Py by charge-transfer (CT)-interaction. Such CT-complexation enables slow crystallization of the peripheral hydrocarbons, causing gelation with nanotubular morphol., in which the wall consists of the alternating NDI-Py stack. Such D-A assembly exhibits ferroelectricity (saturation polarization Ps≈0.8μC cm-2 and coercive field Ec≈8 kV cm-1 at 500 V and 10 Hz frequency) with Curie temperature (Tc) of ≈350 K, which can be related to the disassembly of the CT-complex. In the absence of Py, P1 forms spherical aggregates, showing dielec. behavior. In the experiment, the researchers used many compounds, for example, 2-Aminopropane-1,3-diol(cas: 534-03-2Related Products of 534-03-2)
2-Aminopropane-1,3-diol(cas: 534-03-2) belongs to anime. Milder oxidation, using reagents such as NaOCl, can remove four hydrogen atoms from primary amines of the type RCH2NH2 to form nitriles (R―C≡N), and oxidation with reagents such as MnO2 can remove two hydrogen atoms from secondary amines (R2CH―NHR′) to form imines (R2C=NR′). Tertiary amines can be oxidized to enamines (R2C=CHNR2) by a variety of reagents.Related Products of 534-03-2
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