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RISS 인기검색어
- 검색키워드
- 저자 : Sankapal, B.R. (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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PEDOT:PSS shell on CdS nanowires: Room temperature LPG sensor
Sonawane, N.B.,Ahire, R.R.,Gurav, K.V.,Kim, J.H.,Sankapal, B.R. Elsevier Sequoia 2014 JOURNAL OF ALLOYS AND COMPOUNDS Vol.592 No.-
Nanoheterojunctions between p-PEDOT:PSS and n-CdS were fabricated by using simple chemical method at room temperature (27<SUP>o</SUP>C) on fluorine doped tin oxide (FTO) coated glass substrate. The thin layer of commercially available poly (3, 4-ethylenedioxythiophene: poly (styrene sulfonic acid)) (PEDOT:PSS) shell was formed on CdS nanowires by dip-coating method. This formed nanoheterojunction was used as liquefied petroleum gas (LPG) sensor at room temperature. The formed nanoheterojunction network with porous and high surface area enables enough space to adsorb and de-adsorb gas molecules easily and showed the gas response of 58.9% under the exposure of LPG (900ppm). The results demonstrate that the shell configuration of p-PEDOT:PSS on n-CdS nanowires to form nanoheterojunction which provides a facile and compatible frame for the potential applications as a LPG sensors which can operate at room temperature.
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Salunkhe, D.B.,Gargote, S.S.,Dubal, D.P.,Kim, W.B.,Sankapal, B.R. North Holland ; Elsevier Science Ltd 2012 Chemical physics letters Vol.554 No.-
A facile room temperature (27<SUP>o</SUP>C) chemical route, namely successive ionic layer adsorption and reaction (SILAR) method is used to deposit antimony trisulphide (Sb<SUB>2</SUB>S<SUB>3</SUB>) nanoparticles on mesoporous titanium dioxide (TiO<SUB>2</SUB>). The method facilitates linker free approach to deposit the size tuned nanoparticles. The synthesized TiO<SUB>2</SUB>/Sb<SUB>2</SUB>S<SUB>3</SUB> structure on a FTO (fluorine doped tin oxide coated glass substrate) was used as a photoanode with polysulphide as liquid electrolyte and platinum coated FTO as back contact to construct the photovoltaic device. The photovoltaic performances have been tested under light illumination with standard solar simulator condition (AM 1.5G, 10mW/cm<SUP>2</SUP>) and photovoltaic parameters are discussed.
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CdS surface encapsulated ZnO nanorods: Synthesis to solar cell application
Nikam, Pratibha R.,Baviskar, Prashant K.,Sali, Jaydeep V.,Gurav, Kishor V.,Kim, Jin H.,Sankapal, Babasaheb R. Elsevier 2016 Journal of Alloys and Compounds Vol.689 No.-
<P><B>Abstract</B></P> <P>Surface coating of CdS nanoparticles over the ZnO nanorods have been performed by using simple successive ionic layer adsorption and reaction at room temperature. Initially, the seed/compact ZnO layer have been deposited via SILAR (successive ionic layer adsorption and reaction) on to fluorine doped tin oxide coated glass (FTO) substrate followed by synthesis of ZnO nanorods by chemical bath deposition method. The synthesized nano heterostructure was characterized by X-ray diffraction (XRD), UV–Vis spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), field emission-scanning electron microscopy (FE-SEM), energy dispersive X-ray analysis (EDX) and high resolution-transmission electron microscopy (HR-TEM) techniques. The photovoltaic performance of the cell was recorded with a conversion efficiency of 0.123% under 100 mW/cm<SUP>2</SUP> simulated sunlight at AM 1.5G conditions.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Synthesis of ZnO nanorods using simple solution chemistry. </LI> <LI> Surface encapsulation of ZnO nanorods with CdS nanoparticles using SILAR method. </LI> <LI> CdS sensitized ZnO nano heterojunction solar cell show 0.123% efficiency. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>The development of a heterostructure using one dimensional (1-D) confined nanomaterials of inorganic metal oxides and chalcogenides semiconductor. The heterostructure was constructed by using ZnO nanorods encapsulated with CdS nanoparticles without use of capping agent with precise control over the morphology and microstructure towards nano heterostructure solar cell application. The energy conversion efficiency (η) of 0.123% was obtained under standard illumination of simulated sun light.</P> <P>[DISPLAY OMISSION]</P>
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