Photoionization of N-alkylphenothiazines in mesoporous SiMCM-41, AlMCM-41, and TiMCM-41 molecular sieves

Article Abstract:

Research is presented demonstrating the use of diffuse reflectance spectroscopy and electron spin resonance to study the photoionization yields of ultra violet irradiation generated N-alkylphenothiazine cation radicals.

Usage, Cations, Reflectance spectroscopy, Photoionization, Resonance ionization spectroscopy

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Catalytic study of methanol-to-olefins conversion in four small-pore silicoaluminophosphate molecular sieves: influence of the structural type, nickel incorporation, nickel location, and concentration

Article Abstract:

The small-pore silicoaluminophosphates under investigation is studied as they have strong bronsted acid sites and exhibit shape-selectivity properties for the conversion of methanol to light hydrocarbons. The four small pore silicoaluminophosphates (SAPO) catalysts in the methanol to olefins (MTO) process is influenced by their framework structure, the incorporation of a transition metal ion (Ni) and the location and concentration of this ion.

All Other Basic Organic Chemical Manufacturing, All Other Basic Inorganic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Industrial inorganic chemicals, not elsewhere classified, Molecular Sieves, Nickel Compounds, Transition metals

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Photoionization of N-alkylphenothaizines in mesoporous Me-AIMCM-41 containing transition metal ions Me = Ni(II), Fe(III), and Cu(II)

Article Abstract:

Photoionization of N-alkylphenothaizines in mesoporous Me-AIMCM-41 containing ion-exchanged transition metal ions ME + Ni(II), Fe(III) and Cu(II) is examined. The efficiency of photoionization depends on the metal ion type and concentration ion-exchanged into mesoporous Me-AIMCM-41 molecular sieves.

Industrial Gas Manufacturing, Industrial gases, Nitrogen, Chemical bonds, Metal ions

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