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Molecular architecture of the self-assembled thin films of 10,12-pentacosadiynoic acid (PCDA) anchoring on Ag surfaces via its carboxylate group appeared to have a reversible thermochromic disordered-to-regular trans-zigzag transition at ≈65 °C by an external reflectance infrared spectroscopy and surface-enhanced Raman scattering study.
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Lim et al. (2007) studied this question.
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