The design, fabrication and characterization of controlled-morphology nanomaterials and functional planar molecular nanocluster-based nanostructures

Molecular Design of Branched and Binary Molecules at Ordered Interfaces

“…The thickness varied within 1.6-3.0 r i m (Table 9). Here, it is suggested that lower tendency to 99 form stable bilayer packing of cyanbiphenyl groups shifts the balance and prevents the layering of the terminal groups confined by the radialyl symmetrica1 dendritic cores. In fact, independent studies suggested aIthough both mesogenic terminal groups have tendencies to form smectic structures the shorter cyanbiphenyl groups are more prone to form less ordered states such as nematics with lower thermal Cyanbiphenyl groups are known for their tendency to form nematic phases and weak layered phases due to strong dipoledipole interactions but very short rod-like shape.…”

Interfacially formed organized planar inorganic, polymeric and composite nanostructures

“…In particularly, Au nanoparticles synthesized in presence of ODA were characterized by main diameter~1.5 nm and narrow size distribution in comparison with Au nanoparticles formed at the gas-aqueous phase interface without surfactant [234]. Ultrasmall noble metal nanoparticles of similar size and nature demonstrate single-electron tunneling effects at room temperature that makes such nanoparticles potentially useful for nanoelectronic applications [240][241][242].…”

Theory for Morphology Engineering of Solid Compounds (ATMESC): Facts, Predictions and Experimental Evidences

“…From a point of view of a chemist, the concept of materials engineering [4] was expanded to include "controlling and designing the oriented structures of materials by rescaling their dimensions [5][6][7] or varying their external morphologies [8][9][10], favorably with functionalization [11][12][13], decoration [14][15][16][17], doping [18][19][20][21] or mixing [22,23] with other materials to attend the synergistic effect [24][25][26] which enhance their properties". There are two main methods used for nanofabrication; Top-down and bottom-up approaches.…”

“…The ability of zinc oxide (ZnO), and expected similar behaviour of cuprous oxide (Cu 2 O) and other binary compounds that exhibit (d 10 ) orbitals to experience morphology transition when react with phosphomolybdic acid (PMA), has initiated the idea of the ability of other solid chemical compounds to acquire polar surfaces to experience morphology transition under certain conditions. Facts, predictions and some experimental evidences are discussed which support the theory.…”

“…ATMTE has expected similar behviour for all binary compounds that acquire (d 10 ) electronic configuration. This expectation still need more evidences as some binary compounds that exhibit (d 10 ) like ZnS, and CdS have not responses to PMA at the same condition that was applied to ZnO to experience morphology transition [2]. We still believe in this prediction, and suppose that specific conditions like high PMA concentrations and high temperature may induce their surface polarity.…”