Journal ArticleDOI
The influence of gas adsorption and temperature on the electrical resistivity of SnSe thin films
N Ganesan,V Sivaramakrishnan +1 more
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In this paper, the effect of adsorption and temperature on the electrical resistivity of SnSe thin films on the thickness range 500-2500 AA was investigated and it was found that the temperature variation of resistance indicates interesting irreversible behaviour in the first heating cycle and the behaviour is suspected to be due to acceptor formation at higher temperatures.Abstract:
The effect of adsorption and temperature (300-450 K) on the electrical resistivity of SnSe thin films on the thickness range 500-2500 AA was investigated. Adsorption of oxygen has considerable influence on the electrical resistivity and it is observed to act as a p-type dopant. The temperature variation of resistance indicates interesting irreversible behaviour in the first heating cycle and the behaviour is suspected to be due to acceptor formation at higher temperatures. Adsorption and annealing were found to have a significant effect on the temperature variation of the resistance of SnSe thin films.read more
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Journal ArticleDOI
Atmospheric pressure chemical vapour deposition of SnSe and SnSe2 thin films on glass
TL;DR: In this paper, atmospheric pressure chemical vapour deposition of tin monoselenide and tin diselenide films on glass substrate was achieved by reaction of diethyl selenide with tin tetrachloride at 350-650°C. X-ray diffraction showed that all the films were crystalline and matched the reported pattern for SnSe and or SnSe2.
Journal ArticleDOI
Novel semiconductor materials for the development of chemical sensors and biosensors: a review.
TL;DR: A condensed overview of the contribution of certain relatively new semiconductor substrates in the development of chemical and biochemical field effect transistors and their future prospects for their applications in the sensor area are described.
Journal ArticleDOI
Perspectives on SnSe-based thin film solar cells: a comprehensive review
TL;DR: In this paper, a review on the physical properties of tin monoselenide (SnSe) and its device structures in a deeper sense is presented, highlighting the different factors that are limiting the efficiency of SnSe solar cells, and a few suggestions were included to overcome these problems for further improvement of these cells.
Book ChapterDOI
7 – Bio-chem-FETs: field effect transistors for biological sensing
Nikolaos Chaniotakis,M. Fouskaki +1 more
TL;DR: In this paper, the key issues of field effect transistors (FETs) operation are discussed and new advances in Bio-chem-FET design, based on novel carbon and inorganic nanomaterials, are presented.
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