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Spiral silver nanobelts with a length of the order of tens of micrometers were fabricated by a simple galvanic replacement reaction of copper nanorods with an aqueous solution of AgNO3/Cu(NO3)2. Observation revealed that the explicitly added Cu(II) ions enhanced the growth rate of silver nanobelts up to 11.7µm/s. An electrochemical mechanism based on the local concentration difference of Ag(I) ions...
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