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Screen printed ZnO UV photoconductive sensor on pencil drawn circuitry over paper
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0001-6235-7038
2012 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 100, no 21, 211104- p.Article in journal (Refereed) Published
Abstract [en]

Many applications require a low-cost and large-scale mode of flexible electronics with reasonably high photoresponse that can be detected without high precision measurement systems. We demonstrate a very easy to fabricate ZnO UV sensor, made on common pencil drawn circuit over a paper. ZnO nanocrystals were extracted in a high throughput via a simple and green route. This sensor is well capable of detecting UV light and demonstrates features comparable to those of made with complex and expensive techniques.

Place, publisher, year, edition, pages
2012. Vol. 100, no 21, 211104- p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-78686DOI: 10.1063/1.4720179ISI: 000304489900004OAI: oai:DiVA.org:liu-78686DiVA: diva2:534734
Available from: 2012-06-18 Created: 2012-06-18 Last updated: 2017-12-07Bibliographically approved
In thesis
1. Graphene and ZnO Nanostructures for Nano- Optoelectronic & Biosensing Applications
Open this publication in new window or tab >>Graphene and ZnO Nanostructures for Nano- Optoelectronic & Biosensing Applications
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

There has been a remarkable excitement in graphene research since the famous discovery in 2004 by isolating a monolayer with the help of scotch tape. Graphene, merely a single layer of carbon atoms, is progressively making inroads into a wide range of applications, from ballistic electronics to biosensors to flexible/transparent displays. Graphene is a matchless material that is strong, light, transparent, and an excellent conductor of heat and electricity. On the other hand, zinc oxide (ZnO) is a wide band semiconductor that demonstrates excellent electrical, optical, catalytic and sensing properties and has numerous applications in various fields. ZnO is a natural n-type semiconductor due to the presence of intrinsic defects such as Zn interstitials and O vacancies that also contribute strongly to optical emissions in the visible region.

The amalgamation of the exceptional properties of graphene with good semiconducting properties of ZnO can pave the way towards the realization of future devices (LED, biosensors, photovoltaics etc.).

In this thesis, graphene nanosheets and zinc oxide (ZnO) nanostructures have beensuccessfully synthesized by using chemical vapor deposition (CVD), vapor liquidsolid (VLS) or wet chemistry routines. These nanostructures were used to fabricatenano and optoelectronic devices, including field effect transistors (FETs), lightemitting diodes (LEDs), UV detectors and biosensors. Both nanomaterial’s propertiesand performances of the devices have been characterized and reported.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2012. 80 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 1458
National Category
Natural Sciences
Identifiers
urn:nbn:se:liu:diva-78697 (URN)978-91-7519-869-9 (ISBN)
Public defence
2012-05-29, K3, Kåkenhus, Campus Norrköping, Linköpings universitet, Norrköping, 10:15 (English)
Opponent
Supervisors
Available from: 2012-06-18 Created: 2012-06-18 Last updated: 2014-01-15Bibliographically approved

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ul Hasan, KamranNur, OmerWillander, Magnus

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