High-sensitivity Stark spectroscopy obtained by surface plasmon resonance measurement

S. Wang; S. Boussaad; S. Wong; N. J. Tao

doi:10.1021/ac000504f

High-sensitivity Stark spectroscopy obtained by surface plasmon resonance measurement

S. Wang, S. Boussaad, S. Wong, N. J. Tao

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

The effect (Stark effect) of an applied electric field on the electronic states of molecular adsorbates was studied by measuring surface plasmon resonance (SPR) as a function of the wavelenght of the incident light that excites the SPR. Using the Kramers-Kronig relation, Stark spectra comparable to those obtained with conventional methods were extracted from the electric field-induced SPR angular shift for several organic adsorbates. Because this method relies on detecting the SPR angular shift that can be measured precisely, high-sensitivity Stark spectroscopy can be achieved. In addition, the adsorbate coverage information can be determined from the SPR angular shift upon molecular adsorption.

Original language	English (US)
Pages (from-to)	4003-4008
Number of pages	6
Journal	Analytical Chemistry
Volume	72
Issue number	17
DOIs	https://doi.org/10.1021/ac000504f
State	Published - Sep 1 2000

ASJC Scopus subject areas

Analytical Chemistry

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abstract = "The effect (Stark effect) of an applied electric field on the electronic states of molecular adsorbates was studied by measuring surface plasmon resonance (SPR) as a function of the wavelenght of the incident light that excites the SPR. Using the Kramers-Kronig relation, Stark spectra comparable to those obtained with conventional methods were extracted from the electric field-induced SPR angular shift for several organic adsorbates. Because this method relies on detecting the SPR angular shift that can be measured precisely, high-sensitivity Stark spectroscopy can be achieved. In addition, the adsorbate coverage information can be determined from the SPR angular shift upon molecular adsorption.",

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AU - Wang, S.

AU - Boussaad, S.

AU - Wong, S.

AU - Tao, N. J.

PY - 2000/9/1

Y1 - 2000/9/1

N2 - The effect (Stark effect) of an applied electric field on the electronic states of molecular adsorbates was studied by measuring surface plasmon resonance (SPR) as a function of the wavelenght of the incident light that excites the SPR. Using the Kramers-Kronig relation, Stark spectra comparable to those obtained with conventional methods were extracted from the electric field-induced SPR angular shift for several organic adsorbates. Because this method relies on detecting the SPR angular shift that can be measured precisely, high-sensitivity Stark spectroscopy can be achieved. In addition, the adsorbate coverage information can be determined from the SPR angular shift upon molecular adsorption.

AB - The effect (Stark effect) of an applied electric field on the electronic states of molecular adsorbates was studied by measuring surface plasmon resonance (SPR) as a function of the wavelenght of the incident light that excites the SPR. Using the Kramers-Kronig relation, Stark spectra comparable to those obtained with conventional methods were extracted from the electric field-induced SPR angular shift for several organic adsorbates. Because this method relies on detecting the SPR angular shift that can be measured precisely, high-sensitivity Stark spectroscopy can be achieved. In addition, the adsorbate coverage information can be determined from the SPR angular shift upon molecular adsorption.

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High-sensitivity Stark spectroscopy obtained by surface plasmon resonance measurement

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