The DOI matches its Crossref record; 18 of the 18 references it cites were found in a registry or an index.
Polyaniline Nanofiber/Gold Nanoparticle Nonvolatile Memory
Abstract
A nonvolatile plastic digital memory device based on nanofibers of the conjugated polymer polyaniline decorated with gold nanoparticles is reported. The device has a simple structure consisting of the plastic composite film sandwiched between two electrodes. An external bias is used to program the ON and OFF states of the device that are separated by a 3-orders-of-magnitude difference in conductivity. ON-OFF switching times of less than 25 ns are observed by electrical pulse measurements. The devices possess prolonged retention times of several days after they have been programmed. Write-read-erase cycles are also demonstrated. The switching mechanism is attributed to an electric-field-induced charge transfer from the polyaniline nanofibers to the gold nanoparticles. The active polymer layer is created by growing nanometer size gold particles within 30-nm-diameter polyaniline nanofibers using a redox reaction with chloroauric acid. This device combines two exciting research areas--nanoparticles and conducting polymers--to form a novel materials system with unique functionality.
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Cites
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Self-citationConductance Switching in Single Molecules Through Conformational Changes
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Cited by
Electrical Switching and Bistability in Organic/Polymeric Thin Films and Memory Devices
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Self-citationA Review on the Synthesis and Functionalization of Gold Nanoparticles as a Drug Delivery Vehicle
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Two-dimensional polyaniline (C 3 N) from carbonized organic single crystals in solid state
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Digital memory device based on tobacco mosaic virus conjugated with nanoparticles
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Self-citationLayer-by-layer assembled charge-trap memory devices with adjustable electronic properties
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Metadata
- Authors
- Tseng, R. J., Huang, J., Ouyang, J., Kaner, R. B., & Yang
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-05-12
- Volume
- 5
- Issue
- 6
- Pages
- 1077-1080
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2071937170
- Cited by
- 835
- References
- 18
- FWCI
- 45.76
- Type
- journal article
- Language
- en
- Open access
- closed
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