Ultrasensitive SERS Detection by Defect Engineering on Single Cu<sub>2</sub> O Superstructure Particle.
basic_science · Level V
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- Record sourced from PubMed, PMID 27892634.
- Also identified by DOI 10.1002/adma.201604797.
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Abstract
A Cu<sub>2</sub> O superstructure is constructed through a recrystallization-induced self-assembly strategy. Single Cu<sub>2</sub> O superstructure particle exhibits an outstanding surface-enhanced Raman spectroscopy performance with the limit of detection as low as 10<sup>-9</sup> mol L<sup>-1</sup> and metal comparable enhancement factor (8 × 10<sup>5</sup> ) due to the synergetic effect of vacancies defect-facilitated charge-transfer process and copper vacancies defect-induced electrostatic adsorption.