Formation of composite microspheres comprising a 2,2′-bipyridyl iron(<scp>ii</scp>/<scp>iii</scp>) complex and acrylamide by UV irradiation

Ikeda, Saori; Senna, Mamoru

doi:10.1039/b316423n

Cited by 8 publications

(2 citation statements)

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“…The near‐UV light induced an 2 e ← t 1 transition from Cl → Fe(III) in [FeCl 4 ] − , resulting in the reduction of Fe(III) → Fe(II) ionic species. UV light induced photoreduction of iron(III)‐bipy complex in alcoholic solution have been reported . Based on previous report we could explain the mechanism of photoreduction of aqueous precursor complex in equations :

true [Fe (bipy)_{2} Cl_{2}] [FeCl_{4}] \to [Fe^{III} (bipy)_{2} Cl_{2}]^{+} + [Fe^{III} Cl_{4}]^{-} (in water)

true [Fe^{III} Cl_{4}]^{-} + (H_{2} O) \to [Fe^{II} Cl_{4}]^{2 -} + (H_{2} O)^{+}

…”

Section: Resultsmentioning

confidence: 99%

“…Aqueous solution of precursor complex could behave like electrolyte. While the reduction potential from free Fe(III) to free Fe(II) is 0.77 V, that of photoreduction from [Fe III Cl 4 ] − to [Fe II Cl 3 ] − is 0.34 V which indicates that photoreduction of the [FeCl 4 ] − ion is easier than the normal chemical reduction of free ferric ions . Hence chosen iron(III) complex interacts with n‐type TiO 2 semiconductor and reduce Fe(III) to Fe(II) via interfacial electron transfer dynamics under dark (poor efficiency), near‐UV (good efficiency) and visible light (moderate efficiency) irradiation systems.…”

Section: Introductionmentioning

confidence: 99%

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Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO₂ Nanoparticles in Aqueous Medium

Ganeshraja

Anbalagan

et al. 2017

ChemistrySelect

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The near-UV and visible light induced interfacial electron transfer (IFET) process between aqueous solution of [Fe(bipy) 2 Cl 2 ][FeCl 4 ] complex and TiO 2 NPs has been proved at first time and the photochemical products were mainly characterized by electronic absorption, Fe K-edge X-ray absorption fine struc-ture, electron paramagnetic resonance and 57 Fe Mö ssbauer spectroscopic method. This study makes in comprehending for the combination of semiconductor NPs and metal complex, inparticularly ionic salt like complex has potential in environmental friendly synthesis and remediation process.[a] Dr.

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true [Fe (bipy)_{2} Cl_{2}] [FeCl_{4}] \to [Fe^{III} (bipy)_{2} Cl_{2}]^{+} + [Fe^{III} Cl_{4}]^{-} (in water)

true [Fe^{III} Cl_{4}]^{-} + (H_{2} O) \to [Fe^{II} Cl_{4}]^{2 -} + (H_{2} O)^{+}

…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO₂ Nanoparticles in Aqueous Medium

Ganeshraja

Anbalagan

et al. 2017

ChemistrySelect

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Measurement and Characterization of Solar Cells and Modules

Emery

2010

Handbook of Photovoltaic Science and Engineering

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INTRODUCTIONMethods of assessing the performance of photovoltaic cells and modules are described in this chapter. The performance of cells and modules can be described by their current versus voltage (I -V ) and spectral responsivity versus wavelength (S(λ)) characteristics. Measurement equipment, procedures, and artifacts are discussed for I -V and S(λ). The most common performance indicator is the photovoltaic (PV) efficiency under standard reporting conditions (SRC) (temperature, spectral irradiance, total irradiance). The efficiency is the maximum electrical power divided by the total irradiance. Procedures for accurately determining the efficiency or the maximum power with respect to reference conditions are described. Alternatives to the standard peak watt rating and how they compare with actual field performance are discussed. Since photovoltaics must operate for 20 to 30 years, with a degradation of less than 1% per year, procedures for assessing the durability of PV modules are also discussed. RATING PV PERFORMANCEA variety of performance indicators have been employed by the photovoltaic community to rate the performance of PV cells and modules [1][2][3][4]. Domestic and international consensus standards have been adopted to rate the performance of PV cells and modules in terms of the output power, or equivalently their efficiency with respect to SRC defined by temperature, spectral irradiance, and total irradiance [5][6][7][8][9][10][11][12][13][14][15]. Modules and systems are rated by their peak power under SRC because manufacturers sell and customers purchase PV modules and systems according to the price per watt of power produced. Other performance indicators may be more appropriate for niche markets, such as aesthetics

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Irreversible Dissociation of Tris-2,2′-Bipyridyl-iron(II) Complex in TEOS-Derived Acidic Silica Sol

Nakanishi

Senna

2005

J Sol-Gel Sci Technol

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Formation of composite microspheres comprising a 2,2′-bipyridyl iron(ii/iii) complex and acrylamide by UV irradiation

Cited by 8 publications

References 21 publications

Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO₂ Nanoparticles in Aqueous Medium

Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO₂ Nanoparticles in Aqueous Medium

Measurement and Characterization of Solar Cells and Modules

Irreversible Dissociation of Tris-2,2′-Bipyridyl-iron(II) Complex in TEOS-Derived Acidic Silica Sol

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Formation of composite microspheres comprising a 2,2′-bipyridyl iron(ii/iii) complex and acrylamide by UV irradiation

Cited by 8 publications

References 21 publications

Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO2 Nanoparticles in Aqueous Medium

Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO2 Nanoparticles in Aqueous Medium

Measurement and Characterization of Solar Cells and Modules

Irreversible Dissociation of Tris-2,2′-Bipyridyl-iron(II) Complex in TEOS-Derived Acidic Silica Sol

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Product

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Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO₂ Nanoparticles in Aqueous Medium

Photoinduced Interfacial Electron Transfer in 2,2’‐Bipyridyl Iron(III) Complex‐TiO₂ Nanoparticles in Aqueous Medium