Evidence of chemical effect on surface-enhanced Raman scattering of polypyrrole films electrodeposited on roughened gold substrates

Engineering & Materials Science

• Polypyrroles 100%
• Raman scattering 94%
• Gold 70%
• Oxidation-Reduction 61%
• Substrates 46%
• Potassium chloride 12%
• Charge transfer 11%
• Interfacial energy 11%
• Stretching 9%
• Nitrogen 8%

Physics & Astronomy

• polypyrroles 85%
• chemical effects 85%
• gold 50%
• Raman spectra 50%
• oxidation 34%
• cycles 31%
• surface energy 8%
• aqueous solutions 8%
• charge transfer 8%
• nitrogen 6%
• augmentation 5%
• shift 5%

Chemical Compounds

• Polypyrrole 63%
• Liquid Film 31%
• Interfacial Energy 9%
• Charge Transfer 6%
• Nitrogen 5%
• Aqueous Solution 4%
• Time 3%