Microexplosion Recording in Spin-Coated Polymer Films Including ZnO Nanoparticles for Three-Dimensional Optical Memory

Abstract

The relationship between the size of films in a dry foam and the size of the bubbles is investigated. The study was carried out using foam structures simulated using Surface Evolver, with the structures covering a wide range of poly-dispersities. It was found that the most important factor influencing the size of a film is the size of the smaller bubble to which it is attached. The larger bubble does have an influence, but it is much smaller, with the film size increasing by approximately 80% as the larger bubble goes from the same size as the smaller bubble to infinitely large. The relationship between a film's size and the size of the two bubbles to which it is attached was found to be independent of the underlying bubble size distribution, with the probability distribution for the size of the film depending only on the size of the neighbouring bubbles.

Role of surface states and defects in the ultrafast nonlinear optical properties of CuS quantum dots

“…Effective two-photon absorption coefficients measured using 100 fs laser pulses employing open-aperture Z-scan in the plasmonic region of 800 nm reveal that CuS quantum dots are better ultrafast optical limiters compared to CuS nanoparticles. © 2014 Author (s optical data storage, 3 and nonlinear optics [4][5][6][7] owing to their enhanced and tunable optical properties. In particular, near-infrared (NIR) plasmonic effects in semiconductor NPs are emerging as a subject of active research because of their potential applications in photonic devices.…”

Nanoscale morphological design of ZnO crystals grown in aqueous solutions

“…Relatively high supersaturation, which determines the final pH and the changing pathways of pH in the corresponding systems, promotes homogeneous precipitation in solution. Ammonium compounds, including NH 3 , NH 4 Cl, and NH 4 NO 3 , and their precursors, such as HMT, have often been used as complexing agents (chelating agents) because they suppress the degree of supersaturation in the system. 24)31),33)35) The shape of the resultant ZnO crystals is governed by the balance of the nucleation rate and the growth rate (Fig.…”

“…5(a) and (b), films comprising ZnO nanorods were successfully grown on glass slides covered with ZnO seed particles in a ZnSO 4 NH 4 Cl NaOH aqueous solution system. 34) In this system, precipitates of ZnO crystals were rapidly formed through homogeneous nucleation at a low concentration of [NH 4 + ]. A limited range of [NH 4 + ] is suitable for the crystal growth of ZnO through heterogeneous nucleation and growth on the substrate.…”

“…34) In this system, precipitates of ZnO crystals were rapidly formed through homogeneous nucleation at a low concentration of [NH 4 + ]. A limited range of [NH 4 + ] is suitable for the crystal growth of ZnO through heterogeneous nucleation and growth on the substrate. Highly oriented ZnO nanorods were formed by seeded growth in a solution system of Zn(NO 3 ) 2 HMT.…”

Growth habit of polar crystal ZnO by solid-vapor method

“…It is considered to be one of the most important semiconductor materials because of its unique and fantastic optical, electrical, piezoelectric and biocompatible properties [2] . ZnO has been widely used in many areas [3] , such as blue emission diode, UV laser device, field emission display, sensor, piezoelectric device and even generator which has the potential of harvesting energy from the environment for self-powered nanotechnology. Moreover, ZnO is also a special material that has attracted a great research interest in the habit of crystal growth because of diverse and abundant configurations of nanostructures.…”