A novel core–shell structured upconversion nanorod as a multimodal bioimaging and photothermal ablation agent for cancer theranostics

2018 ◽  
Vol 6 (17) ◽  
pp. 2597-2607 ◽  
Author(s):  
Chen Wang ◽  
Chenlin Xu ◽  
Liangge Xu ◽  
Chunqiang Sun ◽  
Dan Yang ◽  
...  
Keyword(s):  
Noble Metal ◽  
Core Shell ◽  
Photothermal Ablation ◽  
Cancer Theranostics

A multifunctional core–shell nanocomposite based on noble metal plasmons coated with upconversion material has emerged as a promising cancer theranostics nanoplatform.

Switchable up-conversion luminescence bioimaging and targeted photothermal ablation in one core–shell-structured nanohybrid by alternating near-infrared light

2019 ◽  
Vol 48 (17) ◽  
pp. 5817-5830 ◽  
Author(s):  
Chen Wang ◽  
Shili Gai ◽  
Guixin Yang ◽  
Chongna Zhong ◽  
Fei He ◽  
...  
Keyword(s):  
Near Infrared ◽  
Infrared Light ◽  
Core Shell ◽  
Near Infrared Light ◽  
Photothermal Ablation ◽  
Cancer Theranostics

Upon NIR irradiation, a GdOF:Yb/Er@(GNRs@BSA)-FA nanohybrid was expected to be a potential multifunctional imaging tracer and photothermal ablation agent switched controllably for cancer theranostics.

scholarly journals Preparation of Noble Metal / Titania-Core / Shell Nanoparticles and their Optical Properties

2014 ◽  
Vol 87 (2) ◽  
pp. 43-49
Author(s):  
Takashi KANDA ◽  
Kanjiro TORIGOE ◽  
Hirobumi SHIBATA ◽  
Masahiko ABE ◽  
Hideki SAKAI
Keyword(s):  
Optical Properties ◽  
Noble Metal ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Core Shell Nanoparticles

Heterostructure of core-shell IrCo@IrCoOx as efficient and stable catalysts for oxygen evolution reaction

2021 ◽  
Author(s):  
Xiaoping Ma ◽  
Lili Deng ◽  
Manting Lu ◽  
Yi He ◽  
Shuai Zou ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Noble Metal ◽  
Oxygen Evolution Reaction ◽  
Proton Exchange Membrane ◽  
Precious Metals ◽  
Life Time ◽  
Proton Exchange ◽  
Core Shell ◽  
Large Current ◽  
Amorphous Metal Oxide

Abstract Although researches on non-noble metal electrocatalysts have been made some progress recently, their performance in proton exchange membrane water electrolyzer (PEMWE) is still incomparable to that of noble-metal-based catalysts. Therefore, it is a more practical way to improve the utilization of precious metals in electrocatalysts for oxygen evolution reaction (OER) in the acidic medium. Herein, nanostructured IrCo@IrCoOx core-shell electrocatalysts composed of IrCo alloy core and IrCoOx shell were synthesized through a simple colloidally synthesis and calcination method. As expected, the hybrid IrCo-200 NPs with petal-like morphology show the best OER activities in acidic electrolytes. They deliver lower overpotential and better electrocatalytic kinetics than pristine IrCo alloy and commercial Ir/C, reaching a low overpotential (j = 10 mA/cm2) of 259 mV (vs. RHE) and a Tafel slope of 59 mV dec−1. The IrCo-200 NPs displayed robust durability with life time of about 55 h in acidic solution under a large current density of 50 mA/cm2. The enhanced electrocatalytic activity may be associated with the unique metal/amorphous metal oxide core-shell heterostructure, allowing the improved charge transferability. Moreover, the *OH-rich amorphous shell functions as the active site for OER and prevents the further dissolution of the metallic core and thus ensures high stability.

Surface Atomic Regulation of Core–Shell Noble Metal Catalysts

2019 ◽  
Vol 25 (20) ◽  
pp. 5113-5127 ◽  
Author(s):  
Jingjie Ge ◽  
Zhijun Li ◽  
Xun Hong ◽  
Yadong Li
Keyword(s):  
Noble Metal ◽  
Metal Catalysts ◽  
Core Shell ◽  
Noble Metal Catalysts

Silica-confined Ru highly-dispersing on ZrO2 with enhanced activity and thermal stability in dichloroethane combustion

Nanoscale ◽  
2021 ◽  
Author(s):  
Zhaoyang Fei ◽  
Zhicheng Wang ◽  
Dunfei Li ◽  
Fan Xue ◽  
Chao Cheng ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Noble Metal ◽  
Core Shell ◽  
Spontaneous Deposition ◽  
Efficient Strategy ◽  
Highly Active ◽  
Enhanced Activity ◽  
Metal Sintering ◽  
Thermal Stable

An efficient strategy (spontaneous deposition to enhance noble metal dispersity and core-shell confinement to inhibit the noble metal sintering) is presented to synthesize highly active and thermal stable Ru/ZrO2@SiO2 catalyst...

scholarly journals Surface modification of plasmonic noble metal–metal oxide core–shell nanoparticles

2019 ◽  
Vol 1 (12) ◽  
pp. 4578-4591 ◽  
Author(s):  
Somayeh Talebzadeh ◽  
Clémence Queffélec ◽  
D. Andrew Knight
Keyword(s):  
Surface Modification ◽  
Metal Oxide ◽  
Noble Metal ◽  
Molecular Ions ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Metal Metal ◽  
Comprehensive Survey ◽  
Core Shell Nanoparticles

A comprehensive survey on methods for surface modification of noble metal–metal oxide core–shell nanoparticles is presented and highlights various strategies for binding of molecules and molecular ions to core–shell nanoparticles.

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