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CuTe Nanocrystals: Shape and Size Control, Plasmonic Properties, and Use as SERS Probes and Photothermal Agents

Wenhua Li, Reza Zamani, Pilar Rivera Gil, Beatriz Pelaz, Maria Ibáñez, Doris Cadavid, Alexey Shavel, Ramon A. Alvarez-Puebla, Wolfgang J. Parak, Jordi Arbiol, and Andreu Cabot*


We report a procedure to prepare highly monodisperse copper telluride nanocubes, nanoplates, and nanorods. The procedure is based on the reaction of a copper salt with trioctylphosphine telluride in the presence of lithium bis(trimethylsilyl)amide and oleylamine. CuTe nanocrystals display a strong near-infrared optical absorption associated with localized surface plasmon resonances. We exploit this plasmon resonance for the design of surface-enhanced Raman scattering sensors for unconventional optical probes. Furthermore, we also report here our preliminary analysis of the use of CuTe nanocrystals as cytotoxic and photothermal agents.


 

See more posts on ICMAB related to: Tuneable and low cost molecular electronics
See more posts on ICMAB related to: CuTe , Nanocrystals , Plasmonic , SERS , Photothermal

Related Topics: Tuneable and low cost molecular electronics

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