Ruthenium Dye Excitations and Relaxations in Natural Sunlight

Nanocomposite ZnO/ZnFe2O4 photocatalysts with different proportions of ZnFe2O4 were synthesized in organic-free media using metal nitric as precursors. The ZnO phase with hexagonal wurtzite structure and low crystallinity of ZnFe2O4 was confirmed using XRD (X-Ray diffraction). Different morphologies of the nanocomposites were obtained ranging from rice grain-like with a porous surface to homogeneous sphere-like nanoparticles as shown in Scanning Electron Microscopy (SEM) and TEM Transmission Electron Microscopy (TEM) studies. Magnetic properties measured by Visible Sampler Magnetometer (VSM) showed diamagnetic and paramagnetic behavior for the nanocomposites. Analysis with Diffuse Reflectance Spectrophotometer (DRS) UV-vis showed an increase the composition of ferrite in composites increasing its ability to absorb visible light. Photocatalytic activities of ZnO/ZnFe2O4 nanocomposites on the degradation of Rhodamine B dye reached 95.6% after 3 h under natural sunlight suggesting their suitability for sunlight driven photocatalytic applications.

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Photocatalytic Degradation of 4-Nitrophenol Under Natural Sunlight with Ti-Zn Bimetallic Photocatalyst

Journal of Chemistry and Chemical Sciences ◽

10.29055/jccs/626 ◽

2018 ◽

Vol 8 (4) ◽

pp. 642-647

Author(s):

Manohari J ◽

Hima Bindu G ◽

Divya Jyothi K ◽

Vamsi Kumar Y

Keyword(s):

Photocatalytic Degradation ◽

Natural Sunlight

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Surfactant and natural sunlight enhanced Photogalvanic effect of Sudan I dye

Arabian Journal of Chemistry ◽

10.1016/j.arabjc.2014.11.061 ◽

2017 ◽

Vol 10 (8) ◽

pp. 1077-1083 ◽

Cited By ~ 10

Author(s):

Pooran Koli

Keyword(s):

Photogalvanic Effect ◽

Natural Sunlight ◽

Sudan I

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Stable and highly efficient natural sunlight driven photo-degradation of organic pollutants using hierarchical porous flower-like spinel nickel cobaltite nanoflakes

Ceramics International ◽

10.1016/j.ceramint.2021.02.106 ◽

2021 ◽

Vol 47 (11) ◽

pp. 15408-15414

Author(s):

M. Imranullah ◽

Tousif Hussain ◽

Riaz Ahmad ◽

Sajjad Ahmad ◽

Imran Shakir

Keyword(s):

Organic Pollutants ◽

Photo Degradation ◽

Natural Sunlight ◽

Highly Efficient ◽

Nickel Cobaltite ◽

Hierarchical Porous

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Easily fabricated HARCP/HAp photocatalyst for efficient and fast removal of tetracycline under natural sunlight

Chemical Engineering Journal ◽

10.1016/j.cej.2021.128620 ◽

2021 ◽

Vol 412 ◽

pp. 128620

Author(s):

Liushen Lu ◽

Yan Zhang ◽

Zhenbo Yuan ◽

Jinyu Xu ◽

Min Li ◽

...

Keyword(s):

Natural Sunlight ◽

Fast Removal

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Inorganic-Organic Hybrid Nanocomposites for Photovoltaic Applications

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.571.120 ◽

2012 ◽

Vol 571 ◽

pp. 120-124

Author(s):

Liang Min Zhang

Keyword(s):

Solar Cells ◽

Uv Light ◽

Solar Spectrum ◽

Wide Band ◽

Hybrid Nanocomposites ◽

Wide Band Gap ◽

Inorganic Semiconductors ◽

The Cost ◽

Ruthenium Dye ◽

Photovoltaic Characteristics

Hybrid photovoltaic concepts based on a nanoscale combination of organic and inorganic semiconductors are promising way to enhance the cost efficiency of solar cells through a better use of the solar spectrum, a higher ratio of interface-to-volume, and the flexible processability of polymers. In this work, two types of thin film solar cells have been developed. In both types of solar cells, poly-N-vinylcarbazole (PVK) is used as electron donor, cadmium sulfide (CdS) and titanium dioxide (TiO2) nanocrystals are used as electron acceptors, respectively. Since TiO2 has a wide band gap and can only absorb UV light, in the second type of solar cell, ruthenium dye is used as photo-sensitizer. The preliminary results of photoconductive and photovoltaic characteristics of these two inorganic-organic composites are presented.

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