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Gold nanoclusters (AuNCs) have captured significant interest for their photoluminescent properties; however, their rapid photodynamics remain elusive while probed by ensemble-averaging spectroscopy techniques. To address this challenge, we…

Nanoparticle-based fluorescent sensors have emerged as a competitive alternative to small molecule sensors, due to their excellent fluorescence-based sensing capabilities. The tailorability of design, architecture, and photophysical…

Applied Physics · Physics 2020-05-19 Anil Chandra , Saumya Prasad , Giuseppe Gigli , Loretta L. del Mercato

Colloidal semiconductor nanocrystals (SCNCs) or, more broadly, colloidal quantum nanostructures constitute outstanding model systems for investigating size and dimensionality effects. Their nanoscale dimensions lead to quantum confinement…

Applied Physics · Physics 2019-12-11 Yossef E. Panfil , Meirav Oded , Uri Banin

Recent advances in nanotechnology have provided new materials which have the potential to surpass copper and aluminum alloys in electrical conductivity, weight and ampacity [2-6]. Among these carbon nanotubes (CNTs) stand out due to their…

Applied Physics · Physics 2020-08-28 Farhad Daneshvar , Hung-Jue Sue

Fluorescent carbon nanoparticle (CNP) having 2-6 nm in size with quantum yield of about ~3% were synthesized via nitric acid oxidation of carbon soot and this approach can be used for milligram scale synthesis of these water soluble…

Materials Science · Physics 2009-09-28 S. C. Ray , Arindam Saha , Nikhil R. Jana , Rupa Sarkar

Metallic nanocrystals (NCs) are useful instruments for light manipulation around the visible spectrum. As their plasmonic resonances depend heavily on the NC geometry, modern fabrication techniques afford a great degree of control over…

Mesoscale and Nanoscale Physics · Physics 2017-02-14 Lucas V. Besteiro , Kivanc Gungor , Hilmi Volkan Demir , Alexander O. Govorov

Uniform macroscopic samples of nanoporous metal with high deformability have so far been limited to precious metals such as Au, Pd and Pt. Here we propose nanoporous Copper-Nickel (npCN) as a nanoporous base metal that can be made with mm…

Materials Science · Physics 2018-06-25 Lukas Lührs , Jörg Weissmüller

Improving phosphor photoluminescence efficiency is a key parameter to boost the performances of many optical devices. In this work, colloidal silver nanocubes, homogeneously spread on a luminescent surface, have proved to help both…

The potential barrier model considering an additional current that can lead to the high-gradient breakdowns in accelerating structures is proposed. An oscillatory resonance feature of the field emission current from a double-layer metal…

Mesoscale and Nanoscale Physics · Physics 2023-06-29 I. I. Musiienko , S. O. Lebedynskyi , R. I. Kholodov

The elaboration of multimodal nanoparticles stimulates tremendous interest owing to their numerous potentialities in many applicative fields like optoelectronics, photonics and especially bioimaging. The concomitant association of various…

Materials Science · Physics 2016-01-05 Jerome Fresnais , Elena Ishow , Olivier Sandre , Jean-Francois Berret

Noble metal nanoparticles show specific optical properties due to the excitation of localized surface plasmons that make them attractive candidates for highly sensitive bionanosensors. The underlying physical principle is either an…

Nanomaterials, in addition to their small size, possess unique physicochemical properties that differ from the bulk materials, making them ideal for a host of novel applications. Magnetic nanoparticle (MNP) is one important class of…

Applied Physics · Physics 2019-10-08 Kai Wu , Diqing Su , Jinming Liu , Renata Saha , Jian-Ping Wang

Nanodiamonds containing luminescent point defects are widely explored for applications in quantum bio-sensing such as nanoscale magnetometry, thermometry, and electrometry. A key challenge in the development of such applications is a large…

Optics · Physics 2023-02-08 Qiang Sun , Shuo Li , Taras Plakhotnik , Andrew D. Greentree

Over the preceding years, nickel (Ni) and its compounds have been increasingly employed in various aspects of human social life, metallurgical/industrial manufactures, healthcare, and chemical processes. Although Ni is considered an…

Applied Physics · Physics 2025-07-08 Sudhanshu Naithani , Heena , Pooja Sharma , Samar Layek , Franck Thetiot , Tapas Goswami , Sushil Kumar

The fluorescence of silicon clusters is reviewed. Atomic clusters of silicon have been at the focus of research for several decades because of the relevance of size effects for material properties, the importance of silicon in electronics…

Atomic and Molecular Clusters · Physics 2017-09-19 Klaus von Haeften

A unique property of metal nanoclusters is the "superatom" shell structure of their delocalized electrons. The electronic shell levels are highly degenerate and therefore represent sharp peaks in the density of states. This can enable…

Superconductivity · Physics 2015-12-17 Avik Halder , Vitaly V. Kresin

Nanotechnology has been one of the fastest growing fields in the last three decades. Nanomaterials (sized 1-100 nm) has a wide spectrum of potential applications in many fields, applied as coating materials or in treatment and diagnosis.…

Quantitative Methods · Quantitative Biology 2021-08-16 Enrico Catalano

We examine the possibility of probing superconductivity effects in metal nanoclusters via diamond magnetometry. Metal nanoclusters have been proposed as constitutive elements of high T$_c$ superconducting nanostructured materials.…

Superconductivity · Physics 2011-03-01 Louis-S. Bouchard , Victor M. Acosta , Erik Bauch , Dmitry Budker

In recent years, the field of radiation detection has witnessed a paradigm shift with the emergence of plastic scintillators incorporating perovskite nanocrystals (PNCs). This innovative class of scintillators not only capitalizes on the…

Controlling the size distribution in the nucleation of copper particles is crucial for achieving nanocrystals with desired physical and chemical properties. However, their synthesis involves a complex system of solvents, ligands, and copper…

Chemical Physics · Physics 2024-02-06 Oren Elishav , Ofir Blumer , T. Kyle Vanderlick , Barak Hirshberg
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