Dove e quando

Specific non-covalent interactions, such as halogen and hydrogen bonding have recently gained attention in present-day research for their importance in many fields of supramolecular science and crystal engineering.1 An increased number of scientific reports are published every year where halogen and hydrogen bonding are exploited in soft materials rather than in crystal engineering.2 Here, I focus on a description of the most exciting contemporary developments in the field of supramolecular photoresponsive materials assembled using the guiding principles of crystal engineering (Figure 1). Photochromic organic molecules are important since they offer the unique possibility to control the properties of a system with light.3 Halogen-bonding-based materials are the main focus of this talk, although hydrogen bonded systems are considered in some special cases.

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