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Device applications of self-assembled monolayers and monolayer-protected nanoclusters
M.Aslam,N.K.Chaki,JadabSharma,K.Vijayamohanan 한국물리학회 2003 Current Applied Physics Vol.3 No.2, 3
The present status of self-assembled monolayers (SAMs) on dierent surfaces (2D systems) as well as monolayer formation onmetallic and semiconducting cluster surfaces (3D SAM) to form monolayer-protected nanoclusters (MPCs) and their assemblies isreviewed briey. Attention is focused mainly on the potential electronic and photonic applications of SAMs, MPCs and their 2Dand 3D structures fabricated using covalent and hydrophobic interactions in contrast to the usual electrostatic assemblies. Theseexamples illustrate the rational use of organic molecules and nanoclusters using the concept of self-assembly, where subtle systems ofdouble tunnel junctions, hetero junctions and single-electron transition devices could be developed based on the structure andchemistry of multifunctional molecules. The tailoring of cluster size and clustercluster spacing to reveal interesting transitions inThese devices are believed to play an important role in the coming years as the chip functions and clock frequencies reach orders ofmagnitude beyond those extrapolated from Moore.s law.. 2002 Elsevier Science B.V. All rights reserved.