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Volatile organic compounds detection by electrical sensors using polyalkylthiophene-based Langmuir-Blodgett films
(Springer, 2019-03-01)
Despite their environmental and health hazards, volatile organic compounds (VOCs) are present in our everyday life (e.g., fuels and solvents). Their detection is of paramount importance for environmental and occupational ...
Optical VOCs detection using poly(3-alkylthiophenes) with different side-chain lengths
(ELSEVIER SCIENCE SA, 2009)
The use of conjugated polymers in the gas and volatile organic compounds (VOCs) detections represents an advance in the development of the electronic noses. Polythiophenes show good thermal and environmental stability, are ...
Langmuir-Schaefer films of regioregular polythiophene derivatives as VOCs sensors
(2018-09-15)
Conjugated polymers have been extensively studied in recent years, with high technological potential for application as an active layer of organic devices. In this context, polythiophene derivatives have attracted attention ...
Bicone-like ZnO structure as high-performance butanone sensor
(2018-07-15)
Sensors based on metal oxide semiconductors have been widely applied for the detection of several volatile organic compounds (VOCs). However, the development of sensing materials with high selectivity, improved sensitivity, ...
Discriminative detection of volatile organic compounds using an electronic nose based on TiO2 hybrid nanostructures
(2021-10-01)
Volatile organic compounds (VOCs) are environmental pollutants that pose risks to the human health even at very low concentrations. Therefore, fast and sensitive analytical methods capable to discriminate VOCs are highly ...
Gas Sensors Built with Nanomaterials and Provided with a Heating Double Purpose Hot-plate
(International Frequency Sensor Association, 2017-01)
Pure or doped SnO2, has been used to build resistive type gas sensors from several decades. This subject has been retaken using pure or doped nanocrystalline SnO2 to build the sensors, finding considerable advantages in ...
Nanostructured copper thin film used for catalysis
(ELSEVIER SCIENCE SA, 2008)
Catalytic properties of copper thin films deposited in small channels and cavities were tested using Raman microscopy and mass spectroscopy (MS) techniques, mainly. The catalytic surface conditions were addressed visually ...
Porous ZnSnO3 nanocubes as a triethylamine sensor
(2021-07-01)
Triethylamine (TEA), a volatile organic compound (VOC), is present in several industrial processes and is harmful to human health. Therefore, the development of highly sensitive TEA sensors is desirable. Semiconductor metal ...
Nanocompósitos de alginato/CdSe e carbon dots fluorescentes para aplicações em sensoresNanocomposites alginate/CdSe and fluorescent carbon dots for sensors applications
(Pós-Graduação em Ciência e Engenharia de MateriaisUniversidade Federal de Sergipe, 2022)
Sensor de ZnO modificado com In2O3 obtido pela combinação dos métodos spray ultrassônico e hidrotérmico assistido por micro-ondas para detecção de compostos orgânicos voláteis
(Universidade Estadual Paulista (Unesp), 2021-06-11)
O avanço na ciência e tecnologia de sensores de compostos orgânicos voláteis (VOCs) é importante para o desenvolvimento sustentável de materiais funcionais. Portanto, há uma necessidade de melhorar a sensibilidade, tempo ...