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Transverse layering of molecular gyration spheres in spin-coated atactic polystyrene ($aPS$) films, for film thickness $R \leq$ 4$R_g$ ($R_g$ = unperturbed gyration radius), causes an increase in free energy that does not follow the…

Soft Condensed Matter · Physics 2007-05-23 Sudeshna Chattopadhyay , Alokmay Datta , Avijit Das , Angelo Giglia , Stefano Nannarone , Nicola Mahne

The colloidal synthesis of large thin two-dimensional (2D) nanosheets is fascinating but challenging, since the growth along the lateral and vertical dimensions need to be controlled independently. In-plane anisotropy in 2D nanosheets is…

Materials Science · Physics 2019-03-15 Fu Li , Mohammad Mehdi Ramin Moayed , Eugen Klein , Rostyslav Lesyuk , Christian Klinke

We investigated the possibility of using charged luminescent nanoparticles as nanoprobes for studying the evolution scenarios of surface and internal structure of slowly evaporating free (light-absorbing) microdroplets of suspension. Three…

Dynamically reconfigurable metasurfaces promise compact and lightweight spatial light modulation for many applications, including LiDAR, AR/VR, and LiFi systems. Here, we design and computationally investigate high quality factor…

In this paper the state-of-the-art for exploiting the unique physical and chemical properties of crystalline materials and their possible applications for development of crystalline nanocomposites with the tailored anisotropy were…

Materials Science · Physics 2019-02-26 Nazariy Andrushchak , Petra Goering , Anatoliy Andrushchak

The synthesis of nanocomposite materials combining titanate nanofibers (TNF) with nanocrystalline ZnS and Bi2S3 semiconductors is described in this work. The TNF were produced via hydrothermal synthesis and sensitized with the semiconductor…

Materials Science · Physics 2015-03-31 T. J. Entradas , J. C. Cabrita , B. Barrocas , M. R. Nunes , A. J. Silvestre , O. C. Monteiro

Polymers with the same chemical composition can provide different properties by reducing the dimension or simply by altering their nanostructure. Recent literature works report hundreds of examples of advances methods in the fabrication of…

Materials Science · Physics 2017-06-27 Carmen Mijangos , Rebeca Hernández , Jaime Martin

The COVID-19 pandemic has shown the urgent need for the development of efficient, durable, reusable and recyclable filtration media for the deep-submicron size range. Here we demonstrate a multifunctional filtration platform using porous…

The optical response of an artificial hybrid molecule system composed of two metallic nanoparticles (MNPs) and a semiconductor quantum dot (SQD) is investigated theoretically due to the plasmon-exciton-plasmon coupling effects on the…

The development of high-performance biomedical implants requires a deep understanding of the molecular interactions between water molecules and titanium (Ti) surfaces. In this study, fully atomistic molecular dynamics simulations were used…

Mesoscale and Nanoscale Physics · Physics 2024-10-29 Ilemona S. Omeje , Djafar Iabbaden , Patrick Ganster , Tatiana E. Itina

Template-assisted synthesis is a facile way of growing various one-dimensional nanostructures. Among various nanoporous templates, anodic aluminium oxide (AAO) is most commonly used. In this work, the kinetics of silver nanowire growth by…

Materials Science · Physics 2022-02-23 Kumaresh K R , Lakshman Neelakantan , Parasuraman Swaminathan

The crystal structure of MoS$_2$ with strong covalent bonds in plane and weak Van der Waals interactions out of plane gives rise to interesting properties for applications such as solid lubrication, optoelectronics, and catalysis, which can…

Materials Science · Physics 2021-07-28 Rijan Karkee , Enrique Guerrero , David A. Strubbe

We have investigated the dynamics of water confined in mesostructured porous silicas (SBA-15, MCM-41) and four periodic mesoporous organosilicas (PMOs) by dielectric relaxation spectroscopy. The influence of water-surface interaction has…

It is shown that porous spherical particles can be obtained via the freezing of silica nanoparticle aqueous suspensions emulsified in a continuous oil phase. After two freeze-thaw cycles, nanoparticles turn aggregated into flocculated…

Soft Condensed Matter · Physics 2020-05-26 Mathieu Nespoulous , Mickaël Antoni , Carine Chassigneux , Renaud Denoyel

This work aims to provide an effective and novel solution for the treatment of infection by using nanovehicles loaded with antibiotics capable of penetrating the bacterial wall, thus increasing the antimicrobial effectiveness. These…

Tissues and Organs · Quantitative Biology 2021-04-14 Blanca Gonzalez , Montserrat Colilla , Jaime Diez , Daniel Pedraza , Marta Guembe , Isabel Izquierdo-Barba , Maria Vallet-Regi

Silicon nanostructuring imparts unique material properties including antireflectivity, antifogging, anti-icing, self-cleaning, and/or antimicrobial activity. To tune these properties however, a good control over features size and shape is…

Interface of transition metal dichalcogenide (TMDC) and high-k dielectric transition metal oxides (TMO) had triggerred umpteen discourses due to the indubitable impact of TMO in reducing the contact resistances and restraining the…

Carefully designed nanostructures can inspire new type of optomechanical interactions and allow surpassing limitations set by classical diffractive optical elements. Apart from strong near-field localization, nanostructured environment…

Porous metal oxides with nano-sized features attracted intensive interest in recent decades due to their high surface area which is essential for many applications, e.g. Li ion batteries, photocatalysts, fuel cells and dye-sensitized solar…

Materials Science · Physics 2015-02-26 Shaoren Deng , Mert Kurttepeli , Daire J. Cott , Sara Bals , Christophe Detavernier

Targeting specific technological applications requires the control of nanoparticle properties, especially the crystalline polymorph. Freezing a nanodroplet deposited on a solid substrate leads to the formation of crystalline structures. We…

Soft Condensed Matter · Physics 2018-03-02 Julien Lam , James F. Lutsko