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

RESUMEN

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.

MATERIALES

Referencia del producto

Marca

Descripción del producto

251917

Sigma-Aldrich

Ácido sulfanílico, ACS reagent, 99%

39441

Millipore

Nitrate Reagent B, suitable for microbiology

86090

Sigma-Aldrich

Ácido sulfanílico, puriss. p.a., ≥99.0% (T)

28-5740

Sigma-Aldrich

Ácido sulfanílico, JIS special grade, 99.0-100.5%