Crystalline Molecular and Nanoparticle Assemblies with Optoelectronic Application Potential
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2024
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Abstract
The current thesis describes the production and prospective use of molecular crystals and crystallization-induced nanomaterial assembly. The current thesis reveals that the surface of molecular crystals can serve as an appropriate SERS platform. The surface functionality of molecular crystals can participate in non-covalent interactions with the deposited analyte molecules, allowing for efficient photoinduced charge transfer. The current thesis also shows that inorganic molecular crystals can exhibit metallic characteristics and cause surface plasmon. These molecular crystals may be exploited as a possible SERS substrate due to their excellent spectrum stability, simplicity of synthesis, outstanding environmental stability, biocompatibility, target molecule selectivity, and molecular cooperativity. The thesis also depicts the tuning of NC characteristics as a dopant inside molecular crystals, which sheds light on the methods for inducing tuneable phosphorescence features on simple metal NCs via ordered packing structures inside molecular crystals by altering the surrounding environment and electronic confinements. Furthermore, we used the intermolecular interaction-based surface complexation approach that causes molecular crystal formation to self-assemble nanomaterials into the crystalline superstructure.
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Supervisor: Chhatopadhyay, Arun