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Solid–Liquid Self-Adaptive Polymeric Composite

A solid–liquid self-adaptive composite (SAC) is synthesized using a simple mixing–evaporation protocol, with poly(dimethylsiloxane) (PDMS) and poly(vinylidene fluoride) (PVDF) as active constituents. SAC exists as a porous solid containing a near equivalent distribution of the solid (PVDF)–liquid (PDMS) phases, with the liquid encapsulated and stabilized within a continuous solid network percolating throughout the structure.

Photoisomerization induced scission of rod-like micelles unravelled with multiscale modeling

Hypothesis
In photorheological fluids, subtle molecular changes caused by light lead to abrupt macroscopic alterations. Upon UV irradiation of an aqueous cetyltrimethylammonium bromide (CTAB) and trans-ortho-methoxycinnamic acid (trans-OMCA) solution, for instance, the viscosity drops over orders of magnitude. Multiscale modeling allows to elucidate the mechanisms behind these photorheological effects.
Experiments

Solid–Vapor Reaction Growth of Transition-Metal Dichalcogenide Monolayers

In this work, we analyzed the CVD growth mechanism of 2D MoSe2. Samples were quenched halfway through a typical CVD growth process and compared to those that were slowly cooled to completion. The intermediate phases in the quenched samples were then analyzed.

Controlled 3D Carbon Nanotube Structures by Plasma Welding

In this work, we studied how the localized increase in temperature in the extremities of the CNT can induce atomic reconstructions, leading to welding processes between the tubes. As mentioned above, we considered model cases composed of tubes with the main axis aligned along 0° or 90°. Our structural model system was composed of two double-walled CNTs (10 × 10 outer tubes and 5 × 5 inner tubes, respectively) of 50 Å in length.

Torsional “superplasticity” of graphyne nanotubes

The structures considered in the present work were armchair and zigzag α-GNT and γ-GNT , with tube lengths varying from 55 up to 193 Å, and with diameter values from 9 up to 69 Å. These structures are representative of the diverse structural and electronic GNT behaviors.

Insight into In Situ Amphiphilic Functionalization of Few-Layered Transition Metal Dichalcogenide Nanosheets

In current work, a non-toxic mixture of 2-propanol (IPA)/water (7:3 by volume) was used for the liquid phase exfoliation (LPE) of bulk MoS2 powder. It exhibited similar exfoliation efficiency as conventional N-methyl-2-pyrrolidone, while its low boiling point further facilitated functionalization. Covalent functionalization of LTMDs has been relatively limited on account of LTMDs’ strong chemical stability within reactive organic and aqueous systems.

Mechano-chemical stabilization of three-dimensional carbon nanotube aggregates

In the current work, we report an easily scalable method of synthesizing 3D foam into spheres with millimeter to micrometer scales made up entirely of functionalized CNTs exhibiting completely elastic behavior until a high strain. An in-situ mechanical system attached to a high resolution SEM has been used to conduct quasi-static uniaxial compression on the individual building blocks and macroscopic sphere. The complete elastic behavior of these CNT spheres is further explained with help of detailed molecular dynamics (MD) simulations.

Structural Reinforcement through Liquid Encapsulation

In the current work, we explore load bearing ability of liquid/solid interface by synthesizing liquid filled microspheres. The microspheres consist of two ideal immiscible polymer systems; polydimethylsiloxane (PDMS) filled polyvinylidenefluoride (PVDF) capsules.

Parallel Computation for the All-Pairs Su x-Prefix Problem
The Cloud as an OpenMP Offloading Device

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