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Plasmonics

Hydrogen caught red-faced

A single nanodevice that detects the presence of a single molecule would perhaps be the ultimate sensor. The demonstration of hydrogen sensing based on a single gold nanoaerial brings that possibility nearer.

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Figure 1: Schematic of resonant gold nanoaerial.

References

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Correspondence to Roy Sambles.

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Sambles, R. Hydrogen caught red-faced. Nature Mater 10, 560–561 (2011). https://doi.org/10.1038/nmat3075

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