Photoconductive Nile red cyclopalladated metallomesogens

Ionescu, Andreea; Godbert, Nicolas; Crispini, Alessandra; Termine, Roberto; Golemme, Attilio; Ghedini, Mauro

doi:10.1039/c2jm34946a

Cited by 30 publications

(33 citation statements)

References 39 publications

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“…Theoretical calculations have been performed confirming the existence of a hydrogen-bond network established between two side-by-side molecules placed in a head-to-tail arrangement as illustrated in Fig. 11(c) (Ionescu et al, 2012).…”

Section: Figure 10mentioning

confidence: 74%

“…The liquid crystal density can be estimated unless measured experimentally. Density values ranging from 0.9 g cm À3 up to 1.2 g cm À3 have been reported depending on the nature of the studied liquid crystals (full organic molecules, metallomesogens, neutral or ionic mesogens) (Gunyakov et al, 2003;Kaller et al, 2009Kaller et al, , 2010Ionescu et al, 2012). The number of discoids present in the unit cell (Z disc ) is characteristic of the lattice geometry and the proposed model (see Table 1).…”

Section: Number Of Molecules In Discoidsmentioning

confidence: 98%

“…A relevant example of the indexing of a Col r mesophase is represented by the discotic mesophase exhibited by the cyclopalladated photoconductive Nile red complex (II) (Fig. 9) (Ionescu et al, 2012).…”

Section: Ordered Rectangular Columnar Mesophase With Determination Ofmentioning

confidence: 99%

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LCDiXRay: a user-friendly program for powder diffraction indexing of columnar liquid crystals

et al. 2014

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The formulation of a standard computerized procedure for the indexing of powder X‐ray diffraction (PXRD) patterns of columnar liquid crystals, with the determination of all structural information extracted from a properly indexed PXRD spectrum and the attribution of the columnar mesophase symmetry, is presented. In particular, the proposed program notably accelerates the identification of columnar mesophases together with the in situ determination of their structural parameters such as mesophase type, space group, cell parameters, cross‐section area, intermolecular stacking distance between consecutive discoids and, in the case of ordered mesophases, the estimation of the number of molecules constituting each discoid.

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Section: Figure 10mentioning

confidence: 74%

Section: Number Of Molecules In Discoidsmentioning

confidence: 98%

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LCDiXRay: a user-friendly program for powder diffraction indexing of columnar liquid crystals

et al. 2014

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“…Starting materials and reagents were purchased from commercial vendors and were used without further purification. Compounds 8 , 6 , and 3 were synthesized according to previously reported procedures. A synthetic scheme is available in the Supporting Information (Scheme S1) as well as the 1 H, 13 C NMR, and MS spectra described in the Experimental Section.…”

Section: Methodsmentioning

confidence: 99%

BODIPY/Nile‐Red‐Based Efficient FRET Pair: Selective Assay of Endoplasmic Reticulum Membrane Fluidity

Yang

Yoon

et al. 2015

Chemistry An Asian Journal

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We synthesized a boron-dipyrromethene (BODIPY)/Nile Red hybrid probe capable of selectively recognizing fluidity changes in the endoplasmic reticulum (ER) membrane due to its preferential localization to the ER and strong energy transfer from BODIPY to the Nile Red moiety, emitting only in nonaqueous environments. ER membrane fluidity in HepG2 cells was markedly reduced by a cell model of metabolic syndrome.

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“… 9 Recently, we investigated the photoconductive properties of discotic metallomesogens, particularly interesting materials because of the presence of the metal center that allows intense absorptions over a wide spectral range. 10 , 11 …”

Section: Introductionmentioning

confidence: 99%

Photoconductive Properties and Electronic Structure in 3,5-Disubstituted 2-(2′-Pyridyl)Pyrroles Coordinated to a Pd(II) Salicylideneiminate Synthon

et al. 2021

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The synthesis and the electrochemical, photophysical, structural, and photoconductive properties of three new heteroleptic Pd(II) complexes with various 3′,5′- disubstituted-2-(2′-pyridil) pyrroles H(N^N) as coordinated ligands are reported. The coordination of the metal center was completed by a functionalized Schiff base H(O^N) used as an ancillary ligand. The [(N^N)Pd(O^N)] complexes showed highly interesting photoconductive properties which have been correlated to their electronic and molecular structures. Theoretical density functional theory (DFT) and time-dependent DFT calculations were performed, and the results were confronted with the organization in crystalline phase, allowing to point out that the photoconductive properties are mainly a consequence of an efficient intramolecular ligand-to-metal charge transfer, combined to the proximity between the central metal and the donor moieties in the solid-state molecular stacks. The reported results confirm that these new Pd(II) complexes form a novel class of organometallic photoconductors with intrinsic characteristics suitable for molecular semiconductors applications.

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Photoconductive Nile red cyclopalladated metallomesogens

Cited by 30 publications

References 39 publications

LCDiXRay: a user-friendly program for powder diffraction indexing of columnar liquid crystals

LCDiXRay: a user-friendly program for powder diffraction indexing of columnar liquid crystals

BODIPY/Nile‐Red‐Based Efficient FRET Pair: Selective Assay of Endoplasmic Reticulum Membrane Fluidity

Photoconductive Properties and Electronic Structure in 3,5-Disubstituted 2-(2′-Pyridyl)Pyrroles Coordinated to a Pd(II) Salicylideneiminate Synthon

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