Dual function hybrid polymer-nanoparticle devices

Narayan, K. S. ; Manoj, A. G. ; Nanda, J. ; Sarma, D. D. (1999) Dual function hybrid polymer-nanoparticle devices Applied Physics Letters, 74 (6). pp. 871-873. ISSN 0003-6951

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Official URL: http://link.aip.org/link/?APPLAB/74/871/1

Related URL: http://dx.doi.org/10.1063/1.123394


Dual properties of photoconduction and electroluminescence (EL) in hybrid devices consisting of a nanocluster semiconductor layer and a polymer are reported. It is observed that the photocurrent spectral response and efficiency in these multilayer devices are similar to that of the semiconductor component, while the EL spectral responses are closer to that of the polymer layer. The results are confirmed using the nanoparticle semiconductor, cadmium sulphide CdS, of different particle sizes and polymers representing a wide spectral range. A general feature of efficient photocurrent spectral response corresponding to nanoparticle and an appreciable EL response corresponding more to the active polymer are observed in all devices and results in wide, separated spectral windows. Current-voltage responses also indicate possibilities of added tunability in these devices.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
Keywords:Cadmium Compounds; II-VI Semiconductors; Nanostructured Materials; Polymers; Particle Size; Electroluminescence; Photoconductivity
ID Code:46287
Deposited On:04 Jul 2011 06:54
Last Modified:31 May 2012 11:24

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