Nano Archive

Thermosensitive Nanocables Prepared by Surface-Initiated Atom Transfer Radical Polymerization

Wei, Qingshan and Zhou, Wenbo and Ji, Jian and Shen, Jiacong (2009) Thermosensitive Nanocables Prepared by Surface-Initiated Atom Transfer Radical Polymerization. Nanoscale Research Letters, 4 (1). pp. 84-89. ISSN 1931-7573 (Print) 1556-276X (Online)

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Thermosensitive nanocables consisting of Au nanowire cores and poly(N-isopropylacrylamide) sheaths (denoted as Au/PNIPAAm) were synthesized by surface-initiated atom transfer radical polymerization (SI-ATRP). The formation of PNIPAAm sheath was verified by Fourier transform infrared (FTIR) and hydrogen nuclear magnetic resonance (1H NMR) spectroscopy. Transmission electron microscope (TEM) results confirmed the core/shell structure of nanohybrids. The thickness and density of PNIPAAm sheaths can be adjusted by controlling the amount of cross-linker during the polymerization. Signature temperature response was observed from Au/cross-linked-PNIPAAm nanocables. Such smart nanocables show immense potentials as building blocks for novel thermosensitive nanodevices in future.

Item Type:Article
Uncontrolled Keywords:Nanocables - Gold nanowires - Poly(N-isopropylacrylamide) - Surface-initiated atom transfer radical polymerization - Thermoresponsive
Subjects:Material Science > Functional and hybrid materials
Technology > Nanotechnology and energy applications
ID Code:3653
Deposited By:Lesley Tobin
Deposited On:19 Jan 2009 14:17
Last Modified:19 Jan 2009 14:17

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