Synthesis & Properties of SnO2 based Nanoparticals for sensors - P, LAKSHMI VENKATA KUMARI;G. S., Harish;P, SREEDHARA REDDY
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In nanotechnology the size of the particle plays a prominent role which influences the electrical, optical and magnetic properties. SnO2 is a n-type semiconductor with wide bang gap of 3.6 eV at room temperature. The sensitivity, selectivity and quick response of SnO2 enables us to find many applications like transparent conducting electrodes, optical sensors, dye-sensitized solar cell and photocatalytic applications, chemical gas sensors. Most of the semiconducting nanoparticles are highly unstable, and in the absence of capping agent, they agglomerate very rapidly. For this reason bonding of…mehr

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Produktbeschreibung
In nanotechnology the size of the particle plays a prominent role which influences the electrical, optical and magnetic properties. SnO2 is a n-type semiconductor with wide bang gap of 3.6 eV at room temperature. The sensitivity, selectivity and quick response of SnO2 enables us to find many applications like transparent conducting electrodes, optical sensors, dye-sensitized solar cell and photocatalytic applications, chemical gas sensors. Most of the semiconducting nanoparticles are highly unstable, and in the absence of capping agent, they agglomerate very rapidly. For this reason bonding of capping agents to nanoparticles is necessary to provide chemical passivation and also to improve the surface state which has substantial influence on the optical and electronic properties of nanoparticles.EDTA capped pure, Zn doped and Cu & Zn co-doped SnO2 nanoparticles were successfully synthesized using chemical co-precipitation method and systematically characterized the prepared samples using structural, morphological, compositional optical and electrical studies.
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Autorenporträt
Dr P. Lakshmi Venkata Kumari is working as PGT Physics at AP Model School, AN Kunta, Punganur from 2013. She has worked as a Physics lecturer at RGUKT, IIIT, RK Valley, Idupulapaya from 2008 to 2013.She started her research work in 2011 and working on growth and properties of nanoparticles for sensor applications.