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Wyszukujesz frazę "Kavitha, S." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Green Synthesis of Copper Nanoparticles Using Ocimum sanctum L. (Tulsi) and Piper nigrum L. (Pepper Seed) for Pollution Free Environment
Autorzy:
Nirmala, M.
Kavitha, B.
Nasreen, S.
Kiruthika, S.
Divya, B.
Manochitra, E.
Powiązania:
https://bibliotekanauki.pl/articles/1031782.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Copper
Copper nano particles
Cu
Diffraction
Green synthesis
Ocimum sanctum
Pepper
Piper nigrum
Tulsi
Opis:
Synthesis of nanoparticles using plant leaf extract is an eco-friendly, non-toxic and cost efficient approach in the field of nanotechnology. In this study, biosynthesis of stable copper nanoparticles were prepared by using Ocimum sanctum and Piper nigrum extract. These biosynthesized Cu nanoparticles were characterized with the help of X-Ray diffraction (XRD), Scanning Electron Microscopy (SEM) and Fourier transforms infrared spectroscopy (FTIR). The crystalline size of the Copper Nanoparticles prepared from Tulsi extract is little smaller than Copper nanoparticles prepared from Pepper extract. SEM images of Copper nanoparticles showed that the cluster formation, presence of smaller and larger grains. FTIR analysis revealed that the functional groups present in the Copper nanoparticles prepared from both Tulsi and Pepper extracts. Thus, this method can be used for rapid and ecofriendly biosynthesis of stable copper nanoparticles and can be used for catalytic agent, anti-microbial, anti-fungal, anti-biotic, nanosensor, super conducting material, solar cell applications.
Źródło:
World Scientific News; 2020, 150; 105-117
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fabrication of Dye Sensitized Solar Cell Based on Natural Photosensitizers
Autorzy:
Nirmala, M.
Sahana, S.
Iswarya, B.
Maruvarasi, K.
Jenita, A. Adline
Kavitha, B.
Powiązania:
https://bibliotekanauki.pl/articles/1031877.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Efficiency
FTIR spectroscopy
Functional
Natural Dyes
Solar cell
nanocrystalline materials
nanocrytalline titanium dioxide
Opis:
Dye Sensitized solar cells were fabricated using with natural extracts and TiO2 is used as a semiconducting layer. The layer of nanocrytalline titanium dioxide was deposited on conductive side of the transparent Fluorine doped Tin Oxide (FTO) glass plate and the other side of the plate is coated with graphite. Voltage and Current values are measured for natural dyes coated FTO plate and I-V characteristic curves of all fabricated cells were drawn and analyzed. The highest power conversion efficiencies of Blueberry (0.79872%) and Beetroot (0.745813 %.) dyes were achieved among 10 dyes. The functional groups of Beetroot and Turmeric natural dyes were confirmed under FTIR spectroscopy. The ease and cost efficiency of the overall fabrication process, extensive availability of these fruits/juices render them novel and low-cost candidates for Solar cell applications.
Źródło:
World Scientific News; 2020, 149; 128-139
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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