Efficient Broadband Upconversion of Near-Infrared Light in Dye-Sensitized Core/Shell Nanocrystals

2016 ◽  
Vol 4 (11) ◽  
pp. 1760-1766 ◽  
Author(s):  
Guanying Chen ◽  
Wei Shao ◽  
Rashid R. Valiev ◽  
Tymish Y. Ohulchanskyy ◽  
Guang S. He ◽  
...  
Keyword(s):  
Near Infrared ◽  
Infrared Light ◽  
Core Shell ◽  
Near Infrared Light ◽  
Dye Sensitized

Upconverting Near-Infrared Light through Energy Management in Core-Shell-Shell Nanoparticles

2013 ◽  
Vol 52 (50) ◽  
pp. 13419-13423 ◽  
Author(s):  
Hongli Wen ◽  
Hai Zhu ◽  
Xian Chen ◽  
Tak Fu Hung ◽  
Beilei Wang ◽  
...  
Keyword(s):  
Energy Management ◽  
Near Infrared ◽  
Infrared Light ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Near Infrared Light

Multifunctional core–shell upconversion nanoparticles for targeted tumor cells induced by near-infrared light

2013 ◽  
Vol 1 (21) ◽  
pp. 2757 ◽  
Author(s):  
Xiaojun Yang ◽  
Qianqian Xiao ◽  
Caixia Niu ◽  
Nan Jin ◽  
Jin Ouyang ◽  
...  
Keyword(s):  
Tumor Cells ◽  
Near Infrared ◽  
Infrared Light ◽  
Upconversion Nanoparticles ◽  
Core Shell ◽  
Near Infrared Light

scholarly journals [email protected] Core-Shell and Yolk-Shell Nanostructures: Selective Synthesis, Characterization, and Near-Infrared-Mediated Photocatalytic Reduction of Cr(VI)

2018 ◽  
Vol 2018 ◽  
pp. 1-9 ◽  
Author(s):  
Wan-Ni Wang ◽  
Wang Dong ◽  
Chen-Xi Huang ◽  
Bo Liu ◽  
Sheng Cheng ◽  
...  
Keyword(s):  
Near Infrared ◽  
Separation Efficiency ◽  
Solution Process ◽  
Infrared Light ◽  
Core Shell ◽  
Sulfur Source ◽  
Shell Nanoparticles ◽  
Near Infrared Light ◽  
Shell Nanostructures ◽  
Photogenerated Electrons

Constructing near-infrared-light-mediated core-shell nanostructures incorporating upconversion nanoparticles (UCNPs) and semiconductors is of great importance for potential applications in photocatalysis, nano-biomedical engineering, solar cell, etc. In this work, we have demonstrated a two-step solution process to synthesize [email protected] core-shell nanoparticles (CSN). Firstly, a layer of AA-Zn(Cd)[OH]4− composites was coated on UCNPs to form UCNPs@AA-Zn(Cd)[OH]4− composites, which has been converted to [email protected] CSN via sulfidation reaction process using thioacetamide (TAA) as the sulfur source. Moreover, the [email protected] yolk-shell nanoparticles (YSN) have been obtained from the [email protected] CSN after calcination at 400°C, which show significantly photocatalytic activity for reduction of Cr(VI) under near-infrared light. All these can be attributed to the enhanced crystallization degree, resulting in enhanced energy transfer efficiency and separation efficiency of the photogenerated electrons and holes. An alternative strategy is provided in this study for fabrication of UCNP/semiconductor composites for various applications.

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