Liquid crystal based on hybrid zinc oxide nanoparticles

Saliba, Sarmenio; Coppel, Yannick; Davidson, Patrick; Mingotaud, Christophe; Chaudret, Bruno; Kahn, Myrtil L.; Marty, Jean‐Daniel

doi:10.1039/c1jm10525f

Cited by 32 publications

(32 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The 4 nm diameter silver nanoparticles with hexanethiol coating were used as a platform to prepare hybrid LC-NPs. [48] Also ZnO nanoparticles were covered with LC molecules through ligand exchange approach.…”

Section: Ligand Exchangementioning

confidence: 99%

“…[48] On the other hand, if LC ligands are orientationally correlated, one should observe birefringence of the material. For example, if LC ligands are fluorescent, their features add to the emission spectra of the hybrid material.…”

Section: Functional Assembliesmentioning

confidence: 99%

“…[48,74] Marty et al [48] have prepared ZnO NPs partially covered with a LC ligand (IIb, Figure 3), varying the amount of mesogenic ligand used in the process. [48,74] Marty et al [48] have prepared ZnO NPs partially covered with a LC ligand (IIb, Figure 3), varying the amount of mesogenic ligand used in the process.…”

Section: Plasmonic and Fluorescent Structuresmentioning

confidence: 99%

See 2 more Smart Citations

Metal Nanoparticles with Liquid‐Crystalline Ligands: Controlling Nanoparticle Superlattice Structure and Properties

2014

View full text Add to dashboard Cite

Nanoparticle ordered aggregates are promising candidates for future application in a variety of sensing, optical and electronic technologies, mainly based on collective interactions between individual nano-building blocks. Physicochemical properties of such assemblies depend on nanoparticle spacing, therefore a lot of effort throughout the last years was put on development of assembly methods allowing control over aggregates structure. In this minireview we describe efficient self-assembly process based on the utilization of liquid-crystalline ligands grafted onto nanoparticle surface. We show strategies used to synthesize liquid-crystalline nanoparticles as well as discuss parameters influencing structural and thermal characteristic of aggregates. It is also demonstrated that the liquid-crystalline approach offers access to dynamic self-assembly and metamaterials with anisotropic plasmonic properties, which makes this strategy unique among others.

show abstract

Section: Ligand Exchangementioning

confidence: 99%

Section: Functional Assembliesmentioning

confidence: 99%

See 1 more Smart Citation

Metal Nanoparticles with Liquid‐Crystalline Ligands: Controlling Nanoparticle Superlattice Structure and Properties

2014

View full text Add to dashboard Cite

show abstract

“…Earlier studies have demonstrated a destabilization of the mesophases in physical mixtures of liquid crystal and inorganic nanoparticles, which was attributed to chemisorption effects [20]. On the other hand, a recent example showed that fluxional ligands can provide a certain degree of freedom which allows the LC to preferentially organize itself around the nanoparticles and to improve the LC properties [21]. If we compare the two ways of synthesis, all the obtained composites maintain the liquid crystal properties but with a modification of the clearing temperature, however in opposite ways.…”

Section: Mesomorphous Behavior Of the Liquid Crystal Polymer Compositesmentioning

confidence: 99%

In Situ and Ex Situ Syntheses of Magnetic Liquid Crystalline Materials: A Comparison

et al. 2012

Self Cite

View full text Add to dashboard Cite

show abstract

“…Both of these obstacles have links to the surface chemistry of the NP, and therefore, any attempt to achieve well-dispersed and stable colloidal LCs should be addressed together. [42][43][44][45][46][47][48][49] Apart from Au NPs, there are several report on other types of liquid-crystalline NPs featuring TiO 2 , [50] Fe 2 O 3 , [51,52] CdSe, [53] ZnO, [54] and CdSe/ ZnS [37] cores decorated with (pro-)mesogenic groups. [5,36] A mixed-ligand shell (i.e.…”

mentioning

confidence: 99%

Synthesis of Liquid Crystal Silane‐Functionalized Gold Nanoparticles and Their Effects on the Optical and Electro‐Optic Properties of a Structurally Related Nematic Liquid Crystal

et al. 2014

View full text Add to dashboard Cite

Chemically and thermally robust liquid crystal silane-functionalized gold nanoparticles (i.e. AuNP1-AuNP3) were synthesized through silane conjugation. Colloidal dispersions of these particles with mesogenic ligands that are structurally identical (as in AuNP1, AuNP2) or compatible (as in AuNP3) with molecules of the nematic liquid crystal (N-LC) host showed superior colloidal stability and dispersibility. The thermal, optical, and electro-optic behaviors of the N-LC composites at different concentrations of each gold nanoparticle were investigated. All dispersions showed lower values for the rotational viscosity and elastic constant, but only AuNP3 with a dissimilar structure between the nanoparticle ligand and the host displayed the most drastic thermal effects and overall strongest impact on the electro-optic properties of the host. The observed results were explained considering both the structure and the density of the surface ligands of each gold nanoparticle.

show abstract

Liquid crystal based on hybrid zinc oxide nanoparticles

Cited by 32 publications

References 22 publications

Metal Nanoparticles with Liquid‐Crystalline Ligands: Controlling Nanoparticle Superlattice Structure and Properties

Metal Nanoparticles with Liquid‐Crystalline Ligands: Controlling Nanoparticle Superlattice Structure and Properties

In Situ and Ex Situ Syntheses of Magnetic Liquid Crystalline Materials: A Comparison

Synthesis of Liquid Crystal Silane‐Functionalized Gold Nanoparticles and Their Effects on the Optical and Electro‐Optic Properties of a Structurally Related Nematic Liquid Crystal

Contact Info

Product

Resources

About