Journal
FRONTIERS IN CHEMISTRY
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fchem.2021.832735
Keywords
molecular shuttles; photoisomerization; photochemical reaction; photoinduced electron transfer; catalysis; drug delivery; ion transport
Categories
Funding
- Chongqing Science and Technology Commission (CSTC) [cstc2020jcyj-msxmX0821, cstc2020jcyj-msxmX0711]
- Chongqing Municipal Education Commission [KJQN201900845, KJQN201800833]
- Scientific Research Foundation for Advanced Talents, Chongqing Technology and Business University [1956054]
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This review summarizes the research progress, mechanisms, practical applications, and future development of light-driven molecular shuttles.
Molecular shuttles are typical molecular machines that could be applied in various fields. The motion modes of wheel components in rotaxanes could be strategically modulated by external stimuli, such as pH, ions, solvent, light, and so on. Light is particularly attractive because it is harmless and can be operated in a remote mode and usually no byproducts are formed. Over the past decade, many examples of light-driven molecular shuttles are emerging. Accordingly, this review summarizes the recent research progress of light-driven molecular shuttles. First, the light-driven mechanisms of molecular motions with different functional groups are discussed in detail, which show how to drive photoresponsive or non-photoresponsive molecular shuttles. Subsequently, the practical applications of molecular shuttles in different fields, such as optical information storage, catalysis for organic reactions, drug delivery, and so on, are demonstrated. Finally, the future development of light-driven molecular shuttle is briefly prospected.
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