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p–n Heterojunctionon Ordered ZnO Nanowires/Polyaniline Microrods Double Array.
- Source :
-
Langmuir . Feb2012, Vol. 28 Issue 8, p3972-3978. 7p. - Publication Year :
- 2012
-
Abstract
- Recently, there has been growing interest in the designof novel nano- and/or microscaled heterojunctions consisting of twodistinctive ordered semiconductor arrays for highly efficient p–ndiodes used in optical, optielectronic, and microelectronic devices.Here, we report the attainment of an ordered double array comprisingof p-type polyaniline microrods and n-type ZnO nanowires by a controlledelectrochemical deposition method. Extensive chemical and physicalcharacterizations have been performed on the fabricated p–nheterojunction. The double-array p–n heterojunction exhibitsgood rectifying characteristics, the rectification ratio of whichexhibits a minimum at an illumination density of 93 mW cm–2, making it suitable for high-sensitivity photodetectors. This researchis expected to open up a new avenue for the development of highlyefficient and sensitive p–n heterojunction diodes and possiblyserve as the building blocks for future nanoelectronics. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 07437463
- Volume :
- 28
- Issue :
- 8
- Database :
- Academic Search Index
- Journal :
- Langmuir
- Publication Type :
- Academic Journal
- Accession number :
- 73289496
- Full Text :
- https://doi.org/10.1021/la204522v