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Effects of molecular environments on the electrical switching with memory of nitro-containing OPEs
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10.1116/1.2208994
/content/avs/journal/jvsta/24/4/10.1116/1.2208994
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/24/4/10.1116/1.2208994
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Figures

Image of FIG. 1.
FIG. 1.

(a) Oligo(phenylene ethynylene) (OPE) molecule with a nitro side group (referred to as a nitro-OPE), which had its acetate moiety removed with acid during the assembly process of the free thiol, (b) a dodecanethiol molecule, (c) constant current STM topographic images of a homogeneous monolayer of dodecanethiol on Au with a tip bias of and tunneling current of , (d) A homogeneous monolayer of nitro-OPEs on Au with a tip bias of and tunneling current of , (e) an “inserted” monolayer of nitro-OPEs into a dodecanethiol monolayer on Au with a tip bias of and tunneling current of , and (f) a “coassembled” monolayer of nitro-OPEs and dodecanethiols on Au with a tip bias of and tunneling current of .

Image of FIG. 2.
FIG. 2.

(a) Dodecanethiol monolayer on Au with a tip bias of and tunneling current of , (b) a homogeneous monolayer of nitro-OPEs on Au with a tip bias of and tunneling current of , (c) an “inserted” monolayer of nitro-OPEs in a dodecanethiol monolayer on Au with a tip bias of and tunneling current of , (d) a “coassembled” monolayer of nitro molecules and dodecanethiols on Au with a tip bias of and tunneling current of , (e) a higher magnification image of Fig. 2(c), and (f) a higher magnification image of Fig. 2(d).

Image of FIG. 3.
FIG. 3.

(a) characteristics of a nanowell device with a homogeneous monolayer of dodecanethiol and (b) characteristics of the electrical switching with memory observed from the homogeneous monolayer of nitro-OPEs in the nanowell device. (c) The most common behavior observed from the nanowell devices with the “inserted” monolayer of nitro-OPEs in dodecanethiol.

Image of FIG. 4.
FIG. 4.

(a) Electrical switching with memory observed from the “coassembled” monolayer of nitro molecules and dodecanethiols in the nanowell device-showing current starting in low state, (b) electrical switching with memory observed from the “coassembled” monolayer in the nanowell device-showing current starting in a high state, and (c) reversible current-voltage characteristics observed from the coassembled monolayer in the nanowell device.

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/content/avs/journal/jvsta/24/4/10.1116/1.2208994
2006-06-22
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of molecular environments on the electrical switching with memory of nitro-containing OPEs
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/24/4/10.1116/1.2208994
10.1116/1.2208994
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