Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Raja Ram Yadav"'
Publikováno v:
Environmental and Earth Sciences Research Journal. 9:133-138
In the present study, one-dimensional advection-dispersion equation with variable coefficients is solved numerically with help of PDEPE in a finite porous domain. The pollutant is entering from the left end of the domain along the direction of the fl
Autor:
Devraj Singh, Shakti Pratap Singh, Navneet Yadav, Alok Kumar Verma, Kajal Kumar Dey, Raja Ram Yadav
Publikováno v:
Johnson Matthey Technology Review. 65:556-567
Here, we report the frequency dependent ultrasonic attenuation of monometallic gold and bimetallic gold/platinum based aqueous nanofluids (NFs). The as-synthesised bimetallic NFs (BMNFs) revealed less resistance to ultrasonic waves compared to the mo
Autor:
Upendra Mani Tripathi, Punit Kumar Dhawan, Aashit Kumar Jaiswal, Shakti Pratap Singh, Alok Kumar Verma, Raja Ram Yadav
Publikováno v:
Zeitschrift für Naturforschung A. 76:605-614
In the present work, semiconducting cadmium sulfide (CdS) nanoparticles have been synthesized by co-precipitation method. X-ray diffraction (XRD), UV–visible (UV/Vis) absorption spectroscopy, and high-resolution transmission electron microscopy (HR
Autor:
Kajal Kumar Dey, Priyanka Chaudhary, Raja Ram Yadav, Navneet Yadav, Bal Chandra Yadav, Sarita Yadav
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:17843-17854
We synthesized gold (Au) nanoparticles via a rapid chemical route by reducing chloroauric acid by trisodium citrate. TEM micrographs revealed that particles were spherical with well-defined lattice structures and most of them were within the size ran
Publikováno v:
DAE SOLID STATE PHYSICS SYMPOSIUM 2019.
In the present study, we have synthesized bimetallic Au/Pt nanoparticles based nanofluid by chemical route method by using microwave irradiation. The synthesized bimetallic nanoparticles have been characterized by UV-Vis spectroscopy, X-ray diffracti
Publikováno v:
Journal of Alloys and Compounds. 896:163073
Autor:
Avanish Kumar Srivastava, Aashit Kumar Jaiswal, Virendra Bahadur Yadav, Navneet Yadav, Gopal Nath, Raja Ram Yadav, Kajal Kumar Dey
Publikováno v:
Materials Chemistry and Physics. 218:10-17
The antimicrobial activity of trimetallic Au/Pt/Ag nanoparticle based nanofluids were studied and compared with that of monometallic Au and bimetallic Au/Pt nanofluid. The trimetallic nanofluid was prepared by green microwave assisted successive chem
Autor:
Stanislav A. Moshkalev, Rajesh Kumar Singh, Dinesh Pratap Singh, Raja Ram Yadav, Rajesh Kumar, Chandra Sekhar Rout, Alfredo R. Vaz
Publikováno v:
Materials & Design, Vol 122, Iss, Pp 110-117 (2017)
We report the synthesis of palladium-graphene oxide based (Pd-rGO) composite and its enhanced electron field emission studies. The palladium nanoparticles decorated reduced graphene oxide (Pd-NPs-rGO) and Pd catalyst assisted grown CNTs on reduced gr
Publikováno v:
Johnson Matthey Technology Review. 59:199-206
Aqueous suspensions of multi-walled carbon nanotubes (MWCNTs + deionised water) have been synthesised. Carbon nanotubes (CNTs) were derived by chemical vapour deposition (CVD). Transmission electron microscopy (TEM) measurements show the formation of
Autor:
Kajal Kumar Dey, Meher Wan, Divyanshu Bhatnagar, Bal Chandra Yadav, Avanish Kumar Srivastava, Raja Ram Yadav, Satyendra Singh, Melepurath Deepa
Publikováno v:
Nanoscale. 7:6159-6172
VO2 (B) nanorods with average width ranging between 50-100 nm are synthesized via a hydrothermal method and the post hydrothermal treatment drying temperature is found to be influential in their overall phase and growth morphology evolution. The nano