Evaporation-controlled chemical enhancement of SERS using a soft polymer substrate.

Evaporation-controlled chemical enhancement of SERS using a soft polymer substrate.

Chemical communications (Cambridge, England) (2009-10-15)

Nam-Jung Kim, Mengshi Lin, Zhiqiang Hu, Hao Li

PMID19826683

ABSTRACT

An elusive chemical contribution to SERS is investigated by estimating the chemical coupling strengths through a dynamic relative peak analysis during solvent evaporation from a diluted chemical sample that is drop-deposited on a soft SERS substrate.

MATERIALS

Product Number

Brand

Product Description

28-5740

Sigma-Aldrich

Sulfanilic acid, JIS special grade, 99.0-100.5%

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Quantity

86090

Sigma-Aldrich

Sulfanilic acid, puriss. p.a., ≥99.0% (T)

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Quantity

251917

Sigma-Aldrich

Sulfanilic acid, ACS reagent, 99%

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Quantity

39441

Millipore

Nitrate Reagent B, suitable for microbiology

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