Studies on the Growth, Structural, Optical, Mechanical and Nonlinear Optical Properties of Piperazinium Bis (Salicylate) Single Crystal

B. Valarmathi; R. Premanand; G. Vinitha; R. Mohan Kumar

Volume 5, Issue 1 , 2020, , Pages 5-8

  Organic materials have outstanding upturn striking high nonlinear optical properties. One such NLO material of good quality single crystal of protonated Piperazinium bis (Salicylate) (PSL) was synthesized by slow solvent evaporation solution growth technique. XRD studies analyzed that the PSL crystallize ...  Read More

Band gap engineered Nb2O5 thin films fabricated from sol-gel processed modified precursors for enhanced photocatalytic activity: A comparative study

Mohammad Danish; Ashutosh Pandey

Volume 3, Issue 5 , 2018, , Pages 328-334

  Reactions of niobium (V) ethoxide (1) with 2,4-pentanedione derivatives [3-Chloro-2,4-pentanedione, 1,1,1-Trifluoro-2, 4 pentanedione, 3,3-Dimethyl-2,4-pentanedione,] afforded heteroleptic niobium alkoxide complexes [Nb(OEt)4 (CH3COCHClCOCH3)](2), [Nb(OEt)4(CF3COCH2COCH3)] (3) and  [Nb(OEt)4(CH3COC(CH3)2COCH3)] ...  Read More

Impact of thermal treatment parameter on the properties of Cu2ZnSnS4 solar absorber layer

Indu B. Vashistha; Mahesh C. Sharma; S.K. Sharma

Volume 3, Issue 1 , 2018, , Pages 13-16

  In this present study Cu2ZnSnS4 (CZTS) thin films were grown by Chemical Bath Deposition (CBD) method at optimized parameters. These as grown CZTS films were annealed at 3000C for different time 1 hr, 2 hr, 3 hr. These films were characterized by scanning electron microscope (SEM), UV-VIS Spectrophotometer, ...  Read More

Study of structural, optical and antibacterial properties of starch-capped Cu doped ZnO nanoparticles (NPs)

M.K. Debanath; R.K. Saha; S.M. Borah; E. Saikia; K.K. Saikia

Volume 3, Issue 1 , 2018, , Pages 36-40

  In our present investigation, we have synthesized starch-capped Cu doped ZnO (ZnO:Cu) nanoparticles (NPs) by simple wet chemical method and studied their structural, optical and antibacterial effects on/against Gram-positive and Gram-negative bacteria. Chemically synthesized nanoparticle have been characterized ...  Read More

Optical properties of post-annealed zinc oxide (ZnO) thin films synthesized by pulsed laser deposition (PLD)

Bhawana Joshi; Santanu Ghosh; Pankaj Srivastava

Volume 2, Issue 9 , 2017, , Pages 581-586

  In the present work, ZnO thin films deposited by pulsed laser deposition (PLD) technique have been characterized structurally and optically after post-deposition annealing. As-deposited thin films were annealed in the ambient atmosphere for different annealing temperatures of 2000C, 4000C, 6000C and ...  Read More

Electrochemical deposition of p-type FeS2 thin films absorber layer for photovoltaic cell

P. Prabukanthan; R. Lakshmi; T. Rajesh Kumar; S. Thamaraiselvi; G. Harichandran

Volume 2, Issue 8 , 2017, , Pages 521-525

  Electrochemical deposition (ECD) of FeS2 thin films from aqueous solution contains FeSO4, Na2S2O3.5H2O and H2SO4.  ECDs were performed at different bath temperatures (30, 40, 50, 60 and 70°C) with constant pH (~2). FESEM images shows that the grains are as deposited films with stoichiometric ...  Read More

Design and fabrication of multilayer dichroic beam splitter

Vinod Karar; Amit L Sharma

Volume 2, Issue 6 , 2017, , Pages 398-401

  Beam splitters are primarily used for applications like avionic displays, optical storage, fluorescence applications, optical interferometry, semiconductor instrumentation where some of the information needs to be reflected as well as transmitted. They operate on the principle of light being ...  Read More

Effect of substrate temperature on micro-structural, optical and electrical properties of V2O5 thin films

P. Rosaiah; G. Lakshmi Sandhya; S. Suresh; Jinghui Zhu; Yejun Qiu; O. M. Hussain

Volume 1, Issue 2 , 2016, , Pages 215-219

  Vanadium pentoxide (V2O5) thin films have been prepared onto ITO coated flexible Kapton substrates by electron beam evaporation technique. The influence of substrate temperature on the structural, morphological, optical and electrical properties has been investigated. The XRD results reveals that the ...  Read More