Impact of dendritic interface modifiers on phase behavior of polyvinylcarbazol-CdSe/ZnS nanocomposite films

Matvienko, Oksana O.; Prodanov, Maksym F.; Gorobets, Nikolay Yu.; Vashchenko, V. V.; Vovk, O.M.; Babayevska, Nataliya; Savin, Yuri N.

doi:10.1007/s00396-013-3114-7

Colloid Polym Sci

2013

DOI: 10.1007/s00396-013-3114-7

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Impact of dendritic interface modifiers on phase behavior of polyvinylcarbazol-CdSe/ZnS nanocomposite films

Oksana O. Matvienko

Maksym F. Prodanov

Nikolay Yu. Gorobets

et al.

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Cited by 5 publications

(1 citation statement)

References 28 publications

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“…This approach was successfully extended for the stabilization of spherical ferromagnetic NPs in nematic LC 20 and QDs in polymers. 21 However, the proposed ligands, apparently, have limited applicability for LC-colloids of elongated NPs. 11,22,23 Dendritic oligomesogenic ligands are also reported to induce mesomorphic properties in inorganic NPs, [24][25][26][27][28] although the colloidal stability of these composite materials in LC host has not been studied.…”

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confidence: 99%

Towards New Oligomesogenic Phosphonic Acids as Stabilizers of Nanoparticles Colloids in Nematic Liquid Crystals

Prodanov

Diakov

Vlasenko

et al. 2015

Synlett

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Several synthetic strategies for the construction of linear and branched oligomesogenic phosphonic acids are examined, which differ in the method of building the key bimesogen unit. An efficient synthetic approach to the most promising compounds employs regioselective Kumada cross-coupling between [11-(4′-pentylbiphenyl-4-yl)undecyl]magnesium bromide and 4-(11-bromoundecyl)-4′-iodobiphenyl as the key step. Preliminary studies on the ability of the new ligands to stabilize nanoparticles colloids in nematic liquid crystals are undertaken for the example of quantum dots.

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mentioning

confidence: 99%

Towards New Oligomesogenic Phosphonic Acids as Stabilizers of Nanoparticles Colloids in Nematic Liquid Crystals

Prodanov

Diakov

Vlasenko

et al. 2015

Synlett

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Ligand Shell Engineering to Achieve Optimal Photoalignment of Semiconductor Quantum Rods for Liquid Crystal Displays

Zhang

Prodanov

Schneider

et al. 2018

Adv Funct Materials

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The photoalignment process to align semiconductor quantum rods (QRs) in the liquid crystal monomer (LCM) matrix is a flexible technology; however, the optical quality of the resulting enhancement films drops at high concentrations of the QRs. The compatibility between the ligand shell on the QRs and the LCM plays an important role in avoiding this issue. Herein, several kinds of ligand shells on the rod-in-rod CdSe/CdS QRs are designed, without affecting the optical properties of QRs, and their compatibility with LCM molecules is studied. Promesogenic dendritic ligands in combination with relatively short alkylphosphonic acids are found to provide the highest optical quality, without QR aggregation, and so the high brightness of the resulting enhancement films, even at higher concentrations of QRs in LCM, which is perfectly suitable for the application in liquid crystal displays.

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Unidirectionally aligned bright quantum rods films, using T-shape ligands, for LCD application

et al. 2022

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Impact of dendritic interface modifiers on phase behavior of polyvinylcarbazol-CdSe/ZnS nanocomposite films

Cited by 5 publications

References 28 publications

Towards New Oligomesogenic Phosphonic Acids as Stabilizers of Nanoparticles Colloids in Nematic Liquid Crystals

Towards New Oligomesogenic Phosphonic Acids as Stabilizers of Nanoparticles Colloids in Nematic Liquid Crystals

Ligand Shell Engineering to Achieve Optimal Photoalignment of Semiconductor Quantum Rods for Liquid Crystal Displays

Unidirectionally aligned bright quantum rods films, using T-shape ligands, for LCD application

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