Abstract
1D-dimensional porphyrin micro- and nanorods were prepared by interfacial reaction and characterized by UV-vis, IR and XRD. The results showed that porphyrin molecules were aggregated as ordered J-aggregates through π-π interaction, hydrogen binding and electrostatic interaction in the presence of inorganic acids. Then porphyrin nanorods were fabricated as nanodevices, and their photoelectrical property in illumination of the light was tested. The photocurrent rose to a maximum value in 120 s when turning on the light, and then reduced to a minimum value in 40 s when turning off the light. The optical response of the nanodevices still stayed high after several cycles of “on” and ”off”. Therefore, the porphyrin nanorods with favorable photoelectric response are expected as nano-scale organic photoelectric switches.
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