Perspectives in Chemistry-Aspects of Adaptive Chemistry and Materials

被引:383
作者
Lehn, Jean-Marie [1 ]
机构
[1] ISIS, F-67000 Strasbourg, France
关键词
adaptive chemistry; constitutional dynamic chemistry; dynamic materials; self-organization; supramolecular chemistry; DYNAMIC COMBINATORIAL CHEMISTRY; SUPRAMOLECULAR CHEMISTRY; SELF-ORGANIZATION; CONTROLLED-RELEASE; LIGHT-DRIVEN; COMPONENT SELECTION; VOLATILE ALDEHYDES; POLYMERS; TRANSPORT; GENERATION;
D O I
10.1002/anie.201409399
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Chemistry, pure and applied, is a science and an industry. By its power over the expressions of matter, it also displays the creativity of art. It has expanded from molecular to supramolecular chemistry and then, by way of constitutional dynamic chemistry, towards adaptive chemistry. Constitutional dynamics allow for adaptation, through component exchange and selection in response to physical stimuli (e.g. light, photoselection), to chemical effectors (e.g. metal ions, metalloselection) or to environmental effects (e.g. phase change) in equilibrium or out-of-equilibrium conditions, towards the generation of the best-adapted/fittest constituent(s) in a dynamic set. Such dynamic systems can be represented by two-dimensional or three-dimensional dynamic networks that define the agonistic and antagonistic relationships between the different constituents linked through component exchange. The introduction of constitutional dynamics into materials science opens perspectives towards adaptive materials and technologies, presenting attractive behavioral features (such as self-healing). In particular, dynamic polymers may undergo modification of their properties (mechanical, optical, etc.) through component exchange and recombination in response to physical or chemical agents. Constitutional adaptive materials open towards a systems materials science and offer numerous opportunities for soft-matter technologies.
引用
收藏
页码:3276 / 3289
页数:14
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