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| 1 | Parameters influencing the optical properties of SnS thin films显示文摘Tin sulphide(SnS) thin films have been recognized as a potential candidate for solar cells. Many fabrication techniques have been used to grow SnS thin films. The band-gap, Eg of SnS films as reported in literature, were found to vary from 1.2-2.5 eV depending on the film fabrication technique. The present work reports the structural, compositional, morphological and optical characterization of SnS thin films fabricated by thermal evaporation at room temperature. Results show that for the given fabrication technique/condition, the band-gap functionally depends on the lattice parameter and grain size. The well-defined variation allows for tailoring SnS film as per requirements. | Priyal Jain P.Arun | 2013 | Journal of Semiconductors2013，34，9： | 5 |
| 2 | Photovoltaic performance of hybrid ITO/PEDOT:PSS/n-SnS/Al solar cell structure显示文摘The present paper discusses the performance of ITO/PEDOT:PSS/n-SnS/Al structured solar cells fabricated by thermal evaporation.The performance characterizing parameters such as the open circuit voltage,short circuit current density,series resistance,parallel resistance,ideality factor and the overall efficiency were found to be dependent on the SnS grain size in the nano-meter regime and incident light intensity.The experimental work directly reconfirms the theoretical results and ideas raised in the literature by early researchers. | Priyal Jain P.Arun | 2016 | Journal of Semiconductors2016，37，7： | 2 |
| 3 | Optimization of SnS active layer thickness for solar cell application显示文摘This work presents a comparative study of n-SnS and p-SnS active layers for increased solar cell efficiency. Tin sulphide thin films of various thicknesses having p-type and n-type conductivity were fabricated by thermal evaporation. Both type of films had the same(113) orientation of the crystal planes with a constant tensile strain of ~ 0.003 and ~ 0.011, respectively. The persistent photocurrent was observed in all n-SnS and p-SnS samples with the current's time decay constant decreasing with increasing film thickness. Hole mobility of thicker p-SnS films was found to be greater than the electron mobility in n-SnS samples, with mobility(both hole and electron) showing an increasing trend with film thickness. The optimum absorber layer thickness for both p-and n-SnS layers should have a high value of diffusion length for a given absorption coefficient and band-gap. | Yashika Gupta P.Arun | 2017 | Journal of Semiconductors2017，38，11： | 1 |
| 4 | Energy and exergy analysis of syngas production from different biomasses through air-steam gasification显示文摘Gasification is a thermo-chemical reaction which converts biomass into fuel gases in a reactor.The efficiency of conversion depends on the effective working of the gasifier.The first step in the conversion process is the selection of a suitable feedstock capable of generating more gaseous fuels.This paper analyses the performance of different biomasses during gasification through energy and exergy analysis.A quasi-equilibrium model is developed to simulate and compare the feasibility of different biomass materials as gasifier feedstock.Para-metric studies are conducted to analyze the effect of temperature,steam to biomass ratio and equivalence ratio on energy and exergy efficiencies.Of the biomasses considered,sawdust has the highest energy and exergy efficiencies and lowest irreversibility.At a gasification temperature of 1000 K,the steam to biomass ratio of unity and the equivalence ratio of 0.25,the energy efficiency,exergy efficiency and irreversibility of sawdust are 35.62%,36.98%and 10.62 MJ/kg,respectively.It is also inferred that the biomass with lower ash content and higher carbon content contributes to maximum energy and exergy efficiencies. | S.Rupesh C.Muraleedharan P.Arun | 2020 | Frontiers in Energy2020，14，3： | 0 |
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