Reaction Diffusion Systems: From Basic Aspects to Applications in Micro- And Nanotechnology

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Change and motion define and constantly reshape the world around us, on scales from the molecular to the global. In particular, the subtle interplay between chemical reactions and molecular transport gives rise to an astounding richness of natural phenomena, and often manifests itself in the emergence of intricate spatial or temporal patterns. The underlying theme of this book is that by “setting chemistry in motion” in a proper way, it is not only possible to discover a variety of new phenomena, in which chemical reactions are coupled with diffusion, but also to build micro-/nanoarchitectures and systems of practical importance. Although reaction and diffusion (RD) processes are essential for the functioning of biological systems, there have been only a few examples of their application in modern micro- and nanotechnology. Part of the problem has been that RD phenomena are hard to bring under experimental control, especially when the system’s dimensions are small. Ultimately this book will guide the reader through all the aspects of these systems – from understanding the basics to practical hints and then to applications and interpretation of results.Topics covered include:An overview and outlook of both biological and man-made reaction-diffusion systems.The fundamentals and mathematics of diffusion and chemical reactions.Reaction-diffusion equations and the methods of solving them.Spatial control of reaction-diffusion at small scales.Micro- and nanofabrication by reaction-diffusion.Chemical clocks and periodic precipitation structures.Reaction-diffusion in soft materials and at solid interfaces.Microstructuring of solids using RD.Reaction-diffusion for chemical amplification and sensing.RD in three dimensions and at the nanoscale, including nanosynthesis.This book is aimed at all those who are interested in chemical processes at small scales, especially physical chemists, chemical engineers, and material scientists. The book can also be used for one-semester, graduate elective courses in chemical engineering, materials science, or chemistry classes.