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UV and visible light

Assessment of oxidative visible light and UV active photocatalysts by hydroxyl radical quantification

Assessment of oxidative visible light and UV active photocatalysts by hydroxyl radical quantification

... screening UV and visible light absorbing photocatalysts to assess their oxidative strength was accomplished successfully by trapping OH radicals produced by the photocatalysts in ...commercial ...

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Hydrogen Production by Photocatalytic Water Splitting Under Near-UV and Visible Light Using Doped Pt and Pd TiO2

Hydrogen Production by Photocatalytic Water Splitting Under Near-UV and Visible Light Using Doped Pt and Pd TiO2

... There are several techniques that can be used for the characterization of solid catalysts. These techniques allow the determination of the surface area, pore size distribution and pore size, phase composition, band gap, ...

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Enhance photoelectrochemical hydrogen generation activity and stability of TiO2 nanorod arrays sensitized by PbS and CdS quantum dots under UV visible light

Enhance photoelectrochemical hydrogen generation activity and stability of TiO2 nanorod arrays sensitized by PbS and CdS quantum dots under UV visible light

... formance comparison. The morphologies are observed with a field-emission scanning electron microscopy (SEM, Hitachi, S-4800) and transmission electron mi- croscopy equipped with an energy-dispersive X-ray spec- troscopy ...

7

Effect of Ambient Humidity on the Transmission of UV/Visible Light through Model Human Epidermis

Effect of Ambient Humidity on the Transmission of UV/Visible Light through Model Human Epidermis

... transmitted light intensity through the model epidermis as the humidity is gradually lowered from near 100% to ...in light transmission is noted for all four wavelengths used, ranging from approximately ...

5

A Study on the Degradation of Carbamazepine and Ibuprofen by TiO2 & ZnO Photocatalysis upon UV/Visible Light Irradiation

A Study on the Degradation of Carbamazepine and Ibuprofen by TiO2 & ZnO Photocatalysis upon UV/Visible Light Irradiation

... UV irradiation. IBP having a more open chemical structure with only one aromatic ring and carboxyl in its structure, may be oxidised preferentially by the photogenerated holes, mainly involved in the ...

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Preparation of Reduced Graphene Oxide/Ultrathin BiOCl Nanosheet Composites with Enhanced Electrochemical Behavior and Photocatalytic Performance

Preparation of Reduced Graphene Oxide/Ultrathin BiOCl Nanosheet Composites with Enhanced Electrochemical Behavior and Photocatalytic Performance

... A composite photocatalyst rGO-(U)BiOCl was successfully prepared through the controllable in situ growth of ultrathin BiOCl nanosheet solution on reduced GO. The optimal sample exhibited excellent photocatalytic activity ...

9

A Facile Method for Preparation of Cu2O TiO2 NTA Heterojunction with Visible Photocatalytic Activity

A Facile Method for Preparation of Cu2O TiO2 NTA Heterojunction with Visible Photocatalytic Activity

... talyst is only active under UV irradiation [25–28]. In fact, a photocatalyst that is able to respond with visible light will surely take obvious advantages. At present, the focus of photocatalyst ...

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“Evaluation of Phytochemicals and Fluorescent Analysis of Seed and Leaf Extracts of Cajanus cajan L.” by Rama Swamy Nanna, Mahitha Banala, Archana Pamulaparthi, Archana Kurra and Srikanth Kagithoju, India.

“Evaluation of Phytochemicals and Fluorescent Analysis of Seed and Leaf Extracts of Cajanus cajan L.” by Rama Swamy Nanna, Mahitha Banala, Archana Pamulaparthi, Archana Kurra and Srikanth Kagithoju, India.

... under visible light and UV ...under visible and UV light, it showed different colours of the powder in the presence or absence of chemical ...

8

Discovery of Padmanabha Rao Effect controlling planetary temperatures

Discovery of Padmanabha Rao Effect controlling planetary temperatures

... EUV, UV, visible light, and near infrared ...solar UV and X-rays by gases present in various layers of atmosphere ...of visible light, UV, EUV, Bharat Radiation, and β, γ ...

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Improvement of Noble Metal Based Photocatalysts by Spray Pyrolysis Processes39-54

Improvement of Noble Metal Based Photocatalysts by Spray Pyrolysis Processes39-54

... (UV) light and the resulting materials usually show improved activity towards pollutant degradation compared to the bare semiconductor counterpart ...absorb visible light by different ...

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NOVEL PROPENYL FLAVONOIDS GLYCOSIDE AND ANTIOXIDANT ACTIVITY OF EGYPTIAN BAUHINIA RETUSA

NOVEL PROPENYL FLAVONOIDS GLYCOSIDE AND ANTIOXIDANT ACTIVITY OF EGYPTIAN BAUHINIA RETUSA

... using visible light, UV fluorescence ; spraying with anisaldehyde/sulphuric acid reagent or aniline phthalate reagent followed by heating at 100°C for 10 ...

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Solar and Visible Light Driven Photocatalysis for Sacrificial Hydrogen Generation and Water Detoxification with Chemically Modified Ti02

Solar and Visible Light Driven Photocatalysis for Sacrificial Hydrogen Generation and Water Detoxification with Chemically Modified Ti02

... (TEOA) solution (0−0.5 M) after pH adjustment with 1:1 HCl. The catalyst suspension was dispersed for 5 min in an ultrasonic bath, and then the system was kept in the dark for 60 min to achieve adsorption equilibrium. A ...

250

FLUORESCENCE ANALYSIS OF SIDDHA POLYHERBAL DRUG PARANGIPATTAI CHOORANAM

FLUORESCENCE ANALYSIS OF SIDDHA POLYHERBAL DRUG PARANGIPATTAI CHOORANAM

... under visible light and UVLight at 365 nm under closed circuit ...ordinary light and then under UV light of wave length 365 ...

5

High Sensitive Ultraviolet Photodetectors Based on ZnO Nanorods/CdS Heterostructures

High Sensitive Ultraviolet Photodetectors Based on ZnO Nanorods/CdS Heterostructures

... [22–25]. Figure 6b presents the photoresponsivity of the photodetectors with pure CdS fim, pure ZnO nanorod, and different length ZnO NR/CdS heterostructures in the range of UV-to-visible light. ...

7

Synthesis of visible light activated yellow amorphous TiO2 photocatalyst

Synthesis of visible light activated yellow amorphous TiO2 photocatalyst

... UV light simultaneously. Figure 8 shows the recyclability by using UV irradiation for adsorbed MB ...the visible-light photoac- tivity can be monitored, and a quantity of catalyst will ...

6

Exploring the influence of sterilisation and storage on some physicochemical properties of coconut (Cocos nucifera L ) water

Exploring the influence of sterilisation and storage on some physicochemical properties of coconut (Cocos nucifera L ) water

... and UV absorbance as well as the influ- ence of temperature on the visible light absorbance of coconut (Cocos nucifera L) water after autoclaving, gamma irradiation and storage at ...

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Pharmacognostical and Phytochemical Screening of Leaves of Medicinal Plants

Pharmacognostical and Phytochemical Screening of Leaves of Medicinal Plants

... under visible light and UV radiation were observed as shown in (Table -7, 8) and the same for different solvent extracts like aqueous, ethanol, methanol, acetone and chloroform was ...

5

Opsins in Limulus eyes: characterization of three visible light sensitive opsins unique to and co expressed in median eye photoreceptors and a peropsin/RGR that is expressed in all eyes

Opsins in Limulus eyes: characterization of three visible light sensitive opsins unique to and co expressed in median eye photoreceptors and a peropsin/RGR that is expressed in all eyes

... containing UV-sensitive and visible light- sensitive photoreceptors, guanophores – cells containing reflective crystals of guanine – and usually one arhabdomeric ...of UV compared with ...

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Preparation of Cr-doped TiO2 thin film by sonochemical/CVD method and its visible light photocatalytic activity for degradation of paraoxon

Preparation of Cr-doped TiO2 thin film by sonochemical/CVD method and its visible light photocatalytic activity for degradation of paraoxon

... spectroscopy) elemental analysis of the prepared samples were acquired by MIRA3 TESCAN field emission scanning electron microscope (Czech Republic). Photoluminescence (PL) emission spectra of the prepared samples were ...

8

New Preparation Method of Visible Light Responsive Titanium Dioxide Photocatalytic Films

New Preparation Method of Visible Light Responsive Titanium Dioxide Photocatalytic Films

... after UV irradiation (Tables 3(b) and ...by UV ir- radiation ...irradiating UV light as shown in Figure ...with UV irradiation were more than those in the dried gel and ...

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