Chemical Wiring and Soldering toward All-Molecule Electronic Circuitry Tobe Lab. Daichi Ando Masakazu Aono et al., J. Am. Chem. Soc., 2011, 133 (21), 8227.

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Presentation transcript:

Chemical Wiring and Soldering toward All-Molecule Electronic Circuitry Tobe Lab. Daichi Ando Masakazu Aono et al., J. Am. Chem. Soc., 2011, 133 (21), 8227

Contents Introduction Single-molecule electronics Linear chain polymerization Purpose of this work Result and discussion Adsorption of CuPc Chemical Sodering Conclusion

Single-Molecule Electronics Díez-Perez, I.; Tao, N. Nat. Chem. 2009, 1, 635–641. Barner, J.; Rabe, J. P. Macromol. Rapid Commun. 2010, 31, 362–367. Rectification = 整流性

Linear chain polymerization Okawa, Y.; Aono, M. J. Chem. Phys. 2001, 115, 2317–2322.

Purpose of This Work Monomer molecules of the diacetylene form a self-assembled monolayer (SAM). Stimulation from the STM tip initiates the chain polymerization of the diacetylene (PDA). The lifted-up structure of PDA enables the reactive end to approach the adsorbed molecule.

Adsorption of CuPc Cupper Phthalocyanine (CuPc) 10, 12-nonacosadiynoic acid (diacetylene molecule)

Chmical Soldering About 70% of the STM images showed type A.

The Density-functional First-Principles Method

The Calculated Distribution sp sp 2 sp 3

Polarons and Bipolarons unpaired electron positive charge polaron bipolaron

PDA-ZnPc-PDA System

Contents

Conclusion ・ Conductive polymer nanowires connect to a functional molecule via covalent bonds. ・ This method represents a key step in advancing the development of future single-molecule circuits. ・ Polymer connection to phthalocyanine (chemical soldering) is the main reaction.