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Rational design of charge-functional materials: Insights from molecular engineering and operando imaging

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Abstract

Emerging charge-functional electronic and electrochemical materials exhibit increasingly complex structure. Critical fundamental processes (e.g., charge transport, electrocatalysis) must work cooperatively across multiple time- and length scales to realize desired properties. Performance optimization in these materials demands an ultimate multifaceted, multiscale understanding of structure versus charge-function relationships, in order to address long-standing challenges associated with, for example, climate change, clean water, and human–machine interfacing. Across seemingly different applications (e.g., energy conversion, water desalination, biosensing), the overall system performance is governed by the same set of interrelated fundamental physiochemical processes, such as electronic transport, ionic transport, and interfacial electrocatalysis. In this article, we discuss how to approach rational design of charge-functional electronic and electrochemical materials by elucidating performance-governing fundamental processes, with a particular focus on insights obtained from molecular engineering and operando imaging of emerging material systems important for sustainability and health care.

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    Xianwen Mao

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Mao, X. Rational design of charge-functional materials: Insights from molecular engineering and operando imaging. MRS Bulletin 46, 273–279 (2021). https://doi.org/10.1557/s43577-021-00061-z

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