Vibrational spectroscopy of metal carbonyls for bio-imaging and -sensing

Zhiyong Lam; Kien Voon Kong; Malini Olivo; Weng Kee Leong

doi:10.1039/c5an02191j

Vibrational spectroscopy of metal carbonyls for bio-imaging and -sensing

Zhiyong Lam, Kien Voon Kong, Malini Olivo^*, Weng Kee Leong

^*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

29 Citations (Scopus)

Abstract

Transition metal carbonyls exhibit strong CO absorptions in the 2200-1800 cm^-1 region, which is free of interference from other functional groups. This feature has led to their applications in bio-imaging and -sensing, in particular through mid-IR, Raman and more recently, surface-enhanced Raman spectroscopy (SERS). Their use in mid-IR quantitative sensing based on vibrational intensities, and chemical sensing based on frequency shifts and vibrational lifetimes, is reviewed. Their development for Raman sensing following the breakthrough in SERS highlights the potential of coupling metal carbonyls to plasmonic nanostructures as novel optical materials for SERS-based bio-imaging and -sensing.

Original language	English
Pages (from-to)	1569-1586
Number of pages	18
Journal	Analyst
Volume	141
Issue number	5
DOIs	https://doi.org/10.1039/c5an02191j
Publication status	Published - Mar 7 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016 The Royal Society of Chemistry.

ASJC Scopus Subject Areas

Analytical Chemistry
Biochemistry
Environmental Chemistry
Spectroscopy
Electrochemistry

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abstract = "Transition metal carbonyls exhibit strong CO absorptions in the 2200-1800 cm-1 region, which is free of interference from other functional groups. This feature has led to their applications in bio-imaging and -sensing, in particular through mid-IR, Raman and more recently, surface-enhanced Raman spectroscopy (SERS). Their use in mid-IR quantitative sensing based on vibrational intensities, and chemical sensing based on frequency shifts and vibrational lifetimes, is reviewed. Their development for Raman sensing following the breakthrough in SERS highlights the potential of coupling metal carbonyls to plasmonic nanostructures as novel optical materials for SERS-based bio-imaging and -sensing.",

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AU - Leong, Weng Kee

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AB - Transition metal carbonyls exhibit strong CO absorptions in the 2200-1800 cm-1 region, which is free of interference from other functional groups. This feature has led to their applications in bio-imaging and -sensing, in particular through mid-IR, Raman and more recently, surface-enhanced Raman spectroscopy (SERS). Their use in mid-IR quantitative sensing based on vibrational intensities, and chemical sensing based on frequency shifts and vibrational lifetimes, is reviewed. Their development for Raman sensing following the breakthrough in SERS highlights the potential of coupling metal carbonyls to plasmonic nanostructures as novel optical materials for SERS-based bio-imaging and -sensing.

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Vibrational spectroscopy of metal carbonyls for bio-imaging and -sensing

Abstract

Bibliographical note

ASJC Scopus Subject Areas

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