Abstract
Accomplishing significant spectral shift with trace moisture is intriguing as well as challenging. Though, numerous small organic molecules discriminate moisture by change in intensity while probes which distinguish by spectral shift are scarce and the commonly employed strategy of small molecules effectuating spectral shift for moisture detection is solvatochromism. Here in this work, an astounding behaviour of simple chalcone in polar protic solvents and its facilitation to determine moisture in organic solvents and food stuffs were demonstrated. Unlike conventional solvatochromism, an unprecedented mechanism for striking bathochromic shift was corroborated as hydrogen bonding governed aggregation with suitable vindications. This new perspective would enable researcher to formulate a sensorial system in an exceptional aspect for detection of target.
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