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Enhanced Photorespo...
Enhanced Photoresponse of Inkjet-Printed ZnO Thin Films Capped with CdS Nanoparticles
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- Wu, Yan (författare)
- KTH,Teknisk materialfysik
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- Tamaki, Takahiko (författare)
- KTH,Teknisk materialfysik
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- Volotinen, Tarja (författare)
- Uppsala universitet,KTH,Teknisk materialfysik,Fasta tillståndets fysik
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- Belova, Lyubov (författare)
- KTH,Teknisk materialfysik
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- Rao, K. Venkat (författare)
- KTH,Teknisk materialfysik
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(creator_code:org_t)
- 2009-11-12
- 2010
- Engelska.
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Ingår i: The Journal of Physical Chemistry Letters. - : American Chemical Society (ACS). - 1948-7185. ; 1:1, s. 89-92
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Composite semiconductors provide routes for realizing high-performance electronic devices, but for many applications of such devices, low-cost manufacturing techniques are desirable. We have engineered a 3 orders of magnitude enhancement of the ultraviolet photoresponse of ZnO thin films, fabricated "in situ" by drop-on-demand inkjet printing, and then capped with CdS nanoparticles by dip. coating. As a consequence, the decay time of the photoresponse is. reduced to about 4 ms. Thus, capping with CdS not only suppresses the detrimental passivation layer of ZnO thin films, but also generates an interfacial carrier transport layer to reduce the probability of carrier recombination.
Nyckelord
- ZINC-OXIDE
- PHOTOCONDUCTIVITY
- SEMICONDUCTORS
- Teknisk fysik med inriktning mot fasta tillståndets fysik
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- ref (ämneskategori)
- art (ämneskategori)
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