title: A novel WS2 nanowire-nanoflake hybrid material synthesized from WO3 nanowires in sulfur vapor.
abstract: In this work, WS2 nanowire-nanoflake hybrids are synthesized by the sulfurization of hydrothermally grown WO3 nanowires. The influence of temperature on the formation of products is optimized to grow WS2 nanowires covered with nanoflakes. Current-voltage and resistance-temperature measurements carried out on random networks of the nanostructures show nonlinear characteristics and negative temperature coefficient of resistance indicating that the hybrids are of semiconducting nature. Bottom gated field effect transistor structures based on random networks of the hybrids show only minor modulation of the channel conductance upon applied gate voltage, which indicates poor electrical transport between the nanowires in the random films. On the other hand, the photo response of channel current holds promise for cost-efficient solution process fabrication of photodetector devices working in the visible spectral range.
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Georgies Alene
authors.initials: GA
authors.lastname: Asres
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Aron
authors.initials: A
authors.lastname: Dombovari
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Teemu
authors.initials: T
authors.lastname: Sipola
authors.affiliation: Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Bela ter 1, H-6720 Szeged, Hungary.
authors.forename: Robert
authors.initials: R
authors.lastname: Puskás
authors.affiliation: Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Bela ter 1, H-6720 Szeged, Hungary.|MTA-SZTE "Lendület" Porous Nanocomposites Research Group, Rerrich Bela ter 1, H-6720 Szeged, Hungary.
authors.forename: Akos
authors.initials: A
authors.lastname: Kukovecz
authors.affiliation: Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Bela ter 1, H-6720 Szeged, Hungary.|MTA-SZTE Reaction Kinetics and Surface Chemistry Research Group, Rerrich Bela ter 1 H-6720 Szeged, Hungary.
authors.forename: Zoltán
authors.initials: Z
authors.lastname: Kónya
authors.affiliation: Optoelectronics and Measurement Techniques Laboratory, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Alexey
authors.initials: A
authors.lastname: Popov
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Jhih-Fong
authors.initials: JF
authors.lastname: Lin
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Gabriela S
authors.initials: GS
authors.lastname: Lorite
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Melinda
authors.initials: M
authors.lastname: Mohl
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Geza
authors.initials: G
authors.lastname: Toth
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.|Department of Physics, Chemistry and Biology, Linköping University, SE-58183 Linköping, Sweden.
authors.forename: Anita
authors.initials: A
authors.lastname: Lloyd Spetz
authors.affiliation: Microelectronics and Materials Physics Laboratories, Department of Electrical Engineering, University of Oulu, P.O. Box 4500, FI-90014 Oulu, Finland.
authors.forename: Krisztian
authors.initials: K
authors.lastname: Kordas