What kinds of measurements can we make with a droplet? What kind of chemical information can we derive from observing a droplet? This talk will explore how a droplet of water is a ‘<i>tour-de-force</i>’ in measurement of sub-nanometer characteristics of organic molecules. By comparing information density derived from a droplet of water, and that derived from advanced measurement like sum frequency generation or tunneling characteristics, we note that the droplet is a superior (efficient) tool in probing molecular conformation, surface structure, and order/disorder of organic molecules assembled on a surface. We identify a few ‘supporting characters’ like statistics, thermodynamics, understanding of organic chemistry, and a multi-dimensional view of the sampled space as critical to revealing the power of a droplet as a probe for sub-nanometer characteristics- a domain that is often thought to require advance tools and techniques.

Conformational analysis in monolayer interfaces and molecular electronics

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ACS Spring 2023

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