Humidity and temperature sensing properties of copper oxide-Si-adhesive nanocomposite.
Smart and professional humidity and temperature sensors have been fabricated by utilizing copper oxide-Si-adhesive composite and pure copper oxide nanosheets. Copper oxide nanosheets are synthesized by low temperature stirring method and characterized by field emission scanning electron microscopy, which reveals that synthesized product is composed of randomly oriented nanosheets, which are grown in high density with an average thickness of~80±10 nm. X-ray diffraction confirms that the grown nanosheets consist of well crystalline monoclinic CuO. X-ray photoelectron spectroscopy and Fourier transform infrared (FTIR) spectroscopy also confirm that the synthesized nanomaterial is pure CuO without any impurity. The fabricated sensors exhibit good temperature sensitivity of -4.0%/°C and -5.2%/°C and humidity sensitivity of -2.9%/%RH and -4.88%/%RH, respectively for copper oxide-Si-adhesive composite and pure copper oxide nanosheets. The average initial resistance of the sensors is equal to 250 MΩ and 55 MΩ for the composite and pure copper oxide based sensors, respectively.
Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia.
Sher Bahadar
SB
Khan
Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; Physical Technical Institute of Academy of Sciences, Rudaki Ave.33, Dushanbe 734025, Tajikistan. Electronic address: tariqchani1@gmail.com.
Muhammad Tariq Saeed
MT
Chani
GIK Institute of Engineering Sciences and Technology, Swabi, KPK, Topi 23640, Pakistan; Physical Technical Institute of Academy of Sciences, Rudaki Ave.33, Dushanbe 734025, Tajikistan.
Kh S
KhS
Karimov
Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia.
Abdullah M
AM
Asiri
GIK Institute of Engineering Sciences and Technology, Swabi, KPK, Topi 23640, Pakistan.
Mehran
M
Bashir
GIK Institute of Engineering Sciences and Technology, Swabi, KPK, Topi 23640, Pakistan.
Rana
R
Tariq
D000269:Adhesives / Q000737:chemistry*; D003300:Copper / Q000737:chemistry*; D006813:Humidity; D053761:Nanocomposites / Q000737:chemistry*; D056951:Photoelectron Spectroscopy; D012825:Silicon / Q000737:chemistry*; D013696:Temperature; D014961:X-Ray Diffraction
D000269:Adhesives; D003300:Copper; C000520:cuprous oxide; D012825:Silicon
Copper oxide; Humidity sensor; Low temperature synthesis; Nanosheets; Structural properties; Temperature sensor.