Molecular scale insights from NMR studies of hybrid systems formed via doping silver QDs in 6CHBT liquid crystal: a quantitative investigation of their optoelectronic properties

We have synthesized carbon nanoparticles using mandarin juice via green synthesis rout. We have doped carbon nanoparticles in liquid crystal media and studied the surface effect on self-assembly of carbon nanoclusters on ITO coated glass surface and on graphene sheet. The purpose of this study is to construct uniform nano-micro droplets for novel applications and to understand and explore the underlying science behind molecular scale reorganization in the presence of functional surfaces like graphene. We have used density functional theory approach to confirm that the carbon nanoparticles in globular structures are dispersed in presence of graphene sheet due to chemical interaction of carbon rings (or say carbon nanoparticles) with graphene carbon atoms. In order to minimize the free energy, the carbon nanoparticles leave the carbon globular structures and are dispersed to form rectangular structures in presence of LC media at graphene surface. The carbon nanoparticles are dispersed to increase contact area with graphene surface. The results are useful in construction of desired nano-micro structures for possible novel purposes in medical field since carbon nanoparticles are biocompatible. Optical microscopy, FESEM, NMR and UV spectra verifies the droplet formation and its effect on the surface and electronic properties of carbon nanoparticles.

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Synthesis and Characterization of CQDs from Carbon Soot of Almond Oil and It's Hierarchical Arrangement in 6CHBT LC media: Role of Functionalization

Mishra,

Singh

2024

Preprint

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We have synthesized carbon quantum dots (CQDs) from the carbon soot of almond oil deposited on copper metal surface. We have functionalized CQDs using 2,5-Dimercapto-1,3,4-Thiadiazole (DMTD), and have explored the integration of functionalized CQDs in 6CHBT LC media. Our primary objective is to investigate the effect of functionalized CQDs on the organizational behavior and the opto-electronic properties of the hybrid systems. We perform comprehensive characterizations such as FTIR (Fourier transform infrared spectroscopy), SEM (Scanning electron microscopy), OM (Optical microscopy), HR-XRD, UV-Vis-Nir, SERS and Fluorescence spectroscopy to explore the nano-micro scale hierarchical structures composed of CQDs owing to their self-assembly in presence of 6CHBT molecules. Our findings may pave the path for the development of novel integrated materials by tailoring opto-electronic properties. We have highlighted the role of surface plasmons by characterizing for surface enhanced Raman spectroscopy.

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Molecular scale insights from NMR studies of hybrid systems formed via doping silver QDs in 6CHBT liquid crystal: a quantitative investigation of their optoelectronic properties

Cited by 3 publications

References 64 publications

Dispersion and self-assembly of 2,5-dimercapto-1,3,4-thiadiazole (DMTD) functionalized silver QDs in 6 CHBT liquid crystal

Dispersion and self-assembly of 2,5-dimercapto-1,3,4-thiadiazole (DMTD) functionalized silver QDs in 6 CHBT liquid crystal

Dispersion and agglomeration of carbon nanoclusters in 4-(trans-4′-hexylcyclohexyl)-isothiocyanatobenzene media on ITO and graphene surfaces: role of surface effect

Synthesis and Characterization of CQDs from Carbon Soot of Almond Oil and It's Hierarchical Arrangement in 6CHBT LC media: Role of Functionalization

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