Materials Literature
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1. Introduction 2. Van der Waals Forces 3. Experimental Methods 4. Electrostatic Double-layer Forces 5. Capillary Forces 6. Hydrodynamic Forces 7. Interfacial Forces between Fluid Interfaces and across Thin Films 8. Contact Mechanics and Adhesion Friction 9. Solvation Forces and Non-DLVO Forces in Water 10. Surface Fo…
Intercalated water in graphite oxide (GO) was investigated by using different techniques: broadband dielectric spectroscopy (BDS) (10 −2 −10 9 Hz; 140−300 K), differential scanning calorimetry, X-ray diffraction, and attenuated total reflection geometry in Fourier transform infrared spectroscopy (ATR-FTIR). We have st…
Single-layer graphene stabilization: An efficient methodology to make stable aqueous solutions of single-layer graphene has been demonstrated by exploiting charge-transfer interactions with a coronene tetracarboxylate acceptor molecule (see figure). Microscopic studies reveal exfoliation of few-layer graphene and sele…
Arranging anisotropic nanoparticles into ordered assemblies remains a challenging quest requiring innovative and ingenuous approaches. The variety of interactions present in colloidal solutions of nonspherical inorganic nanocrystals can be exploited for this purpose. By tuning depletion attraction forces between hydro…
Biomedical applications of plasmonic metal nanostructures represent new and exciting directions of research and development. For instance, photothermal ablation therapy (PTA) based on metal nanomaterials has been actively explored for treating cancer with encouraging success. PTA relies on heat generated from light fo…
We report a first-principles study of hydrogen storage media consisting of calcium atoms and graphene-based nanostructures. We find that Ca atoms prefer to be individually adsorbed on the zigzag edge of graphene with a Ca-Ca distance of 10 A without clustering of the Ca atoms, and up to six H(2) molecules can bind to…
We report colloidal quantum dot (CQDs) photovoltaics having a approximately 930 nm bandgap. The devices exhibit AM1.5G power conversion efficiencies in excess of 2%. Remarkably, the devices are stable in air under many tens of hours of solar illumination without the need for encapsulation. We explore herein the origin…
Surface-enhanced Raman scattering (SERS) spectroscopy is one of the most powerful analytical techniques for identification of molecular species, with the potential to reach single-molecule detection under ambient conditions. This Concept article presents a brief introduction and discussion of both recent advances and…
Although gold nanoparticles (GNP) are among the most intensely studied nanoscale materials, the actual mechanisms of GNP formation often remain unclear due to limited accessibility to in situ-derived time-resolved information about precursor conversion and particle size distribution. Overcoming such limitations, a met…
Nanoparticulate functional materials offer manifold perspectives for the increasing miniaturization and complexity of technical developments. Nanoparticles also make a major contribution to utilization of materials that is sparing of natural resources. Besides these obvious aspects, however, the importance of nanopart…
Janus particles, colloid-sized particles with two regions of different surface chemical composition, possess energetic interactions that depend not only on their separation but also on their orientation. Research on Janus and colloidal particles that are chemically patchy in even more complicated fashion has opened a…
Abstract Poly(ϵ‐caprolactone) (PCL)/layered double hydroxide (LDH) nanocomposites were prepared successfully via simple solution intercalation. The nonisothermal melt crystallization kinetics of neat PCL and its LDH nanocomposites was investigated with the Ozawa, Avrami, and combined Avrami–Ozawa methods. The Ozawa me…
Chemically modified graphene and polyaniline (PANI) nanofiber composites were prepared by in situ polymerization of aniline monomer in the presence of graphene oxide under acid conditions. The obtained graphene oxide/PANI composites with different mass ratios were reduced to graphene using hydrazine followed by reoxid…
A study of coupling between finite number of general-shaped grooves in electromagnetic plane-wave scattering problem is presented. The formulation for a single groove [1] is extended to two grooves. The importance of inclusion of coupling interaction between two grooves in scattering analysis is presented and its depe…
In this work, we investigate the dissociation kinetics of boron-deuterium (B,D) pairs under an electron beam (e-beam) in diamond. This technique is of high interest as it would enable the fabrication of electrically isolating/conductive pathways in diamond using e-beam direct writing. Cathodoluminescence is used to fo…
Abstract The conformation of hyperbranched polymers from one pot polymerization with AB n ( n = 2, 4) type monomers, applying the reactive 3D bond fluctuation lattice model, are systematically studied using scaling relation R ∼ N λ , where R is the radius of gyration or the hydrodynamic radius of a hyperbranched polym…
Spoke wheel filtering strategy is developed using the proposed spoke wheel filter (SWF) and solving the nonlinear optimization model established by introducing a super-Gaussian function. Theoretical calculations through simulated annealing algorithm indicate that high focal depth is obtained by increasing the number o…
The present work is an attempt to investigate the mechanical properties of a treated betelnut fibre-reinforced polyester composite. Tensile, flexural, compression, and hardness tests were carried out. As a result of reinforcing the polyester with the treated betelnut fibre mats, the tensile, flexural, compression, and…
Unprecedented insight into the phototriggered unfolding of a polypeptide has been gained from a multiscale simulation connecting nonadiabatic ab initio molecular dynamics to classical molecular dynamics in a three-stage manner. An intramolecular H-transfer mechanism that saturates one of the S. radicals of the cleaved…
Since accurate alignment is essential for projection lithography, an extended dual-grating based alignment scheme is proposed. This method is an extension of the basic dual-grating alignment model, the mechanism of which is explained to make it clear how the extended scheme performs in projection lithography. The fram…