o7805

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Cost-Effective and Highly Photoresponsive Nanophosphor-P3HT Photoconductive Nanocomposite for Near-Infrared Detection.

Yi Tong et al.

Scientific reports, 5, 16761-16761 (2015-11-17)

The advent of flexible optoelectronic devices has accelerated the development of semiconducting polymeric materials. We seek to replace conventional expensive semiconducting photodetector materials with our cost-effective composite system. We demonstrate in this work the successful fabrication of a photoconductive composite

Shape dependent catalytic activity of nanoflowers and nanospheres of Pd4S generated via one pot synthesis and grafted on graphene oxide for Suzuki coupling.

Ved Vati Singh et al.

Dalton transactions (Cambridge, England : 2003), 43(33), 12555-12563 (2014-07-10)

Nanoflowers and nanospheres of Pd4S have been prepared for the first time from a single source precursor complex, [PdCl2(PhS-CH2CH2CH2-NH2)] (), by its one pot thermolysis at 195 °C. In oleylamine, flower shaped nanoparticles of Pd4S were formed but in an

Transition States of Nanocrystal Thin Films during Ligand-Exchange Processes for Potential Applications in Wearable Sensors.

Seung-Wook Lee et al.

ACS applied materials & interfaces, 10(30), 25502-25510 (2018-07-04)

Ligand exchange is an advanced technique for tuning the various properties of nanocrystal (NC) thin films, widely used in the NC thin-film device applications. Understanding how the NC thin films transform into functional thin-film devices upon ligand exchange is essential.

Easily Recoverable, Micrometer-Sized TiO2 Hierarchical Spheres Decorated with Cyclodextrin for Enhanced Photocatalytic Degradation of Organic Micropollutants.

Danning Zhang et al.

Environmental science & technology, 52(21), 12402-12411 (2018-10-03)

Micrometer-sized titanium dioxide hierarchical spheres (TiO2-HS) were assembled from nanosheets to address two common limitations of photocatalytic water treatment: (1) inefficiency associated with scavenging of oxidation capacity by nontarget water constituents and (2) energy-intensive separation and recovery of the photocatalyst

Monodisperse AgSbS2 nanocrystals: size-control strategy, large-scale synthesis, and photoelectrochemistry.

Bin Zhou et al.

Chemistry (Weinheim an der Bergstrasse, Germany), 21(31), 11143-11151 (2015-06-23)

We report an efficient approach to the synthesis of AgSbS2 nanocrystals (NCs) by colloidal chemistry. The size of the AgSbS2 NCs can be tuned from 5.3 to 58.3 nm with narrow size distributions by selection of appropriate precursors and fine control

pH and NIR-light-responsive magnetic iron oxide nanoparticles for mitochondria-mediated apoptotic cell death induced by chemo-photothermal therapy.

Yunok Oh et al.

International journal of pharmaceutics, 531(1), 1-13 (2017-07-12)

Recently, various therapeutic strategies in anticancer drug development are focused to reduce adverse side effects and to enhance the therapeutic efficacy. Mostly, the iron oxide (Fe

Generalized syntheses of nanocrystal-graphene hybrids in high-boiling-point organic solvents.

Danny Wei-Ping Pang et al.

Nanoscale, 4(15), 4562-4570 (2012-06-16)

Nanocrystal-graphene have been proposed as a new kind of promising hybrid for a wide range of application areas including catalysts, electronics, sensors, biomedicine, and energy storage, etc. Although a variety of methods have been developed for the preparation of hybrids

Optimization of oleylamine-Fe3O4/MWCNTs nanocomposite modified GC electrode for electrochemical determination of ofloxacin.

Deivasigamani Ranjith Kumar et al.

Journal of nanoscience and nanotechnology, 14(7), 5059-5069 (2014-04-25)

Iron oxide (Fe3O4) nanoparticles are prepared by nucleation method using oleylamine (OLA) as the capping agent. The OLA capped Fe3O4 nanoparticles (OLA-Fe3O4) are characterized by Fourier Transform Infrared (FT-IR) spectroscopy, X-ray Diffraction (XRD) and High Resolution Transmission Electron Microscopic (HRTEM)

Highly Efficient Copper-Indium-Selenide Quantum Dot Solar Cells: Suppression of Carrier Recombination by Controlled ZnS Overlayers.

Jae-Yup Kim et al.

ACS nano, 9(11), 11286-11295 (2015-10-03)

Copper-indium-selenide (CISe) quantum dots (QDs) are a promising alternative to the toxic cadmium- and lead-chalcogenide QDs generally used in photovoltaics due to their low toxicity, narrow band gap, and high absorption coefficient. Here, we demonstrate that the photovoltaic performance of

Core-shell Au@Pd nanoparticles with enhanced catalytic activity for oxygen reduction reaction via core-shell Au@Ag/Pd constructions.

Dong Chen et al.

Scientific reports, 5, 11949-11949 (2015-07-07)

Core-shell nanoparticles often exhibit improved catalytic properties due to the lattice strain created in these core-shell particles. Herein, we demonstrate the synthesis of core-shell Au@Pd nanoparticles from their core-shell Au@Ag/Pd parents. This strategy begins with the preparation of core-shell Au@Ag

The influence of cation incorporation and leaching in the properties of Mn-doped nanoparticles for biomedical applications.

David García-Soriano et al.

Journal of colloid and interface science, 578, 510-521 (2020-06-17)

Superparamagnetic MnxFe3-xO4 nanoparticles are promising materials for applications in biomedicine and other fields. Small variations in the Mn/Fe ratio have a strong impact on the properties of the nanoparticles. Those variations may be caused by the synthesis itself and by

A peroxidase biomimetic system based on Fe3O4 nanoparticles in non-enzymatic sensors.

Juan A Ramos Guivar et al.

Talanta, 141, 307-314 (2015-05-13)

Magnetic nanoparticles have been applied in many areas of nanomedicine. Sensing platforms based on this type of nanoparticles have received attention due to the relative low cost and biocompatibility. Biosensor is the most widely investigated type of analytical device. This

Bulk metallic glass-like scattering signal in small metallic nanoparticles.

Vicky V T Doan-Nguyen et al.

ACS nano, 8(6), 6163-6170 (2014-05-30)

The atomic structure of Ni-Pd nanoparticles has been studied using atomic pair distribution function (PDF) analysis of X-ray total scattering data and with transmission electron microscopy (TEM). Larger nanoparticles have PDFs corresponding to the bulk face-centered cubic packing. However, the

Iron oxide nanoparticles functionalized with novel hydrophobic and hydrophilic porphyrins as potential agents for photodynamic therapy.

Oriol Penon et al.

Journal of colloid and interface science, 462, 154-165 (2015-10-12)

The preparation of novel porphyrin derivatives and their immobilization onto iron oxide nanoparticles to build up suitable nanotools for potential use in photodynamic therapy (PDT) has been explored. To achieve this purpose, a zinc porphyrin derivative, ZnPR-COOH, has been synthesized

Multi-targeting magnetic hyaluronan capsules efficiently capturing circulating tumor cells.

Shaohua Ma et al.

Journal of colloid and interface science, 545, 94-103 (2019-03-16)

Accurate detection and isolation of circulating tumor cells (CTCs) hold high value for urgent clinical applications in cancer prognosis and treatment monitoring. Even though the immuno-magnetic isolation strategy has been an important milestone for enrichment of precious CTCs from complex

Multifunctional inorganic nanoparticles for imaging, targeting, and drug delivery.

Monty Liong et al.

ACS nano, 2(5), 889-896 (2009-02-12)

Drug delivery, magnetic resonance and fluorescence imaging, magnetic manipulation, and cell targeting are simultaneously possible using a multifunctional mesoporous silica nanoparticle. Superparamagnetic iron oxide nanocrystals were encapsulated inside mesostructured silica spheres that were labeled with fluorescent dye molecules and coated

Colloidal nanocrystals of orthorhombic Cu2ZnGeS4: phase-controlled synthesis, formation mechanism and photocatalytic behavior.

Cong-Min Fan et al.

Nanoscale, 7(7), 3247-3253 (2015-01-27)

The orthorhombic polymorph of Cu2ZnGeS4 (CZGS) is a metastable wurtzite-derived phase that can only be prepared in the bulk form by extensive heating at high temperatures (≥790 °C) when using the conventional solid-state reaction route. By employing a facile solution-based

A universal approach to the synthesis of nanodendrites of noble metals.

Yan Feng et al.

Nanoscale, 6(11), 6173-6179 (2014-05-06)

Nanomaterials usually exhibit structure-dependent catalytic activity, selectivity, and stability. Herein, we report a universal approach for the synthesis of noble metal nanoparticles with a dendritic structure, which is based on the reduction of metal acetylacetonate precursors in oleylamine at a

Physisorption-Based Charge Transfer in Two-Dimensional SnS2 for Selective and Reversible NO2 Gas Sensing.

Jian Zhen Ou et al.

ACS nano, 9(10), 10313-10323 (2015-10-09)

Nitrogen dioxide (NO2) is a gas species that plays an important role in certain industrial, farming, and healthcare sectors. However, there are still significant challenges for NO2 sensing at low detection limits, especially in the presence of other interfering gases.

Gelification: an effective measure for achieving differently sized biocompatible Fe3O4 nanocrystals through a single preparation recipe.

Qiaojuan Jia et al.

Journal of the American Chemical Society, 133(48), 19512-19523 (2011-10-28)

Biocompatible Fe(3)O(4) nanocrystals were synthesized through the pyrolysis of ferric acetylacetonate (Fe(acac)(3)) in diphenyl oxide, in the presence of α,ω-dicarboxyl-terminated polyethylene glycol (HOOC-PEG-COOH) and oleylamine. Unusual gelification phenomena were observed from the aliquots extracted at different reaction stages after they

Sorption, solubility and cytotoxicity of novel antibacterial nanofilled dental adhesive resins.

Fernando Luis Esteban Florez et al.

Scientific reports, 10(1), 13503-13503 (2020-08-13)

Dental adhesives hydrolyze in the mouth. This study investigated the water sorption (SOR), solubility (SOL) and cytotoxicity (CYTO) of experimental adhesives containing nitrogen-doped titanium dioxide nanoparticles (N_TiO2). Specimens (n = 15/group [SOR, SOL]; n = 10/group [CYTO]) of unaltered Clearfil SE Protect (CSP), OptiBond

Colloidal Dual-Diameter and Core-Position-Controlled Core/Shell Cadmium Chalcogenide Nanorods.

Dahin Kim et al.

ACS nano, 11(12), 12461-12472 (2017-11-14)

To capitalize on shape- and structure-dependent properties of semiconductor nanorods (NRs), high-precision control and exquisite design of their growth are desired. Cadmium chalcogenide (CdE; E = S or Se) NRs are the most studied class of such, whose growth exhibits

Band Gap Engineering in Cs2(Na x Ag1-x)BiCl6 Double Perovskite Nanocrystals.

Raman Singh Lamba et al.

The journal of physical chemistry letters, 10(17), 5173-5181 (2019-08-16)

Lead-free double perovskite materials, A2M(I)M'(III)X6, have recently attracted attention as environment-friendly alternatives to lead-based perovskites, APbX3, because of both rich fundamental science and potential applications. We report band gap tuning via alloying of Cs2AgBiCl6 nanocrystals (NCs) with nontoxic, abundant Na.

Binary self-assembly of gold nanowires with nanospheres and nanorods.

Ana Sánchez-Iglesias et al.

Angewandte Chemie (International ed. in English), 49(51), 9985-9989 (2010-11-18)

Fabrication of bimetallic Cu/Au nanotubes and their sensitive, selective, reproducible and reusable electrochemical sensing of glucose.

Si Yin Tee et al.

Nanoscale, 7(25), 11190-11198 (2015-06-11)

Herein, we report a facile two-step approach to produce gold-incorporated copper (Cu/Au) nanostructures through controlled disproportionation of the Cu(+)-oleylamine complex at 220 °C to form copper nanowires and the subsequent reaction with Au(3+) at different temperatures of 140, 220 and

Isolation of the magic-size CdSe nanoclusters [(CdSe)13(n-octylamine)13] and [(CdSe)13(oleylamine)13].

Yuanyuan Wang et al.

Angewandte Chemie (International ed. in English), 51(25), 6154-6157 (2012-05-15)

In Situ Topotactic Transformation of an Interstitial Alloy for CO Electroreduction.

Changming Zhao et al.

Advanced materials (Deerfield Beach, Fla.), 32(39), e2002382-e2002382 (2020-08-25)

Electrochemical reduction of CO to value-added products holds promise for storage of energy from renewable sources. Copper can convert CO into multi-carbon (C2+ ) products during CO electroreduction. However, developing a Cu electrocatalyst with a high selectivity for CO reduction

Hybrid nanotrimers for dual T1 and T2-weighted magnetic resonance imaging.

Kai Cheng et al.

ACS nano, 8(10), 9884-9896 (2014-10-07)

Development of multifunctional nanoparticle-based probes for dual T1- and T2-weighted magnetic resonance imaging (MRI) could allow us to image and diagnose the tumors or other abnormalities in an exceptionally accurate and reliable manner. In this study, by fusing distinct nanocrystals

Electrochemically-stable ligands bridge the photoluminescence-electroluminescence gap of quantum dots.

Chaodan Pu et al.

Nature communications, 11(1), 937-937 (2020-02-20)

Colloidal quantum dots are promising emitters for quantum-dot-based light-emitting-diodes. Though quantum dots have been synthesized with efficient, stable, and high colour-purity photoluminescence, inheriting their superior luminescent properties in light-emitting-diodes remains challenging. This is commonly attributed to unbalanced charge injection and/or

Revealing dynamic processes of materials in liquids using liquid cell transmission electron microscopy.

Kai-Yang Niu et al.

Journal of visualized experiments : JoVE, (70)(70), doi:10-doi:10 (2013-01-05)

The recent development for in situ transmission electron microscopy, which allows imaging through liquids with high spatial resolution, has attracted significant interests across the research fields of materials science, physics, chemistry and biology. The key enabling technology is a liquid

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