A polarization scheme that resolves cross-peaks with transient absorption and eliminates diagonal peaks in 2D spectroscopy | Zendy

Kieran M. Farrell | Zendy; Nan Yang | Zendy; Martin T. Zanni | Zendy

Open Access

A polarization scheme that resolves cross-peaks with transient absorption and eliminates diagonal peaks in 2D spectroscopy

Author(s) -

Kieran M. Farrell,

Nan Yang,

Martin T. Zanni

Publication year - 2022

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.2117398119

Subject(s) - spectroscopy , absorption spectroscopy , anisotropy , polarization (electrochemistry) , chemistry , spectral line , analytical chemistry (journal) , molecular physics , dipole , atomic physics , optics , physics , quantum mechanics , astronomy , organic chemistry , chromatography

Significance Observation of cross-peaks is one of the hallmark advantages of multidimensional spectroscopy. Often times, cross-peaks overlap with strong diagonal peak features, obfuscating information that is useful for determining molecular structure. Here, we present a polarization scheme that eliminates diagonal peaks, revealing the weaker cross-peak features. This polarization scheme can be applied to one-dimensional transient absorption spectroscopy. As a result, transient absorption spectroscopy can now access information that previously required two-dimensional spectroscopies.

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