Surface-modified photochemistry. Preparation of silica-supported triiron dodecacarbonyl via irradiation of absorbed iron pentacarbonyl

1982 ◽  
Vol 104 (24) ◽  
pp. 6590-6596 ◽  
Author(s):  
Robert L. Jackson ◽  
Mark R. Trusheim
Nanoscale ◽  
2017 ◽  
Vol 9 (20) ◽  
pp. 6632-6637 ◽  
Author(s):  
John Watt ◽  
Grant C. Bleier ◽  
Mariah J. Austin ◽  
Sergei A. Ivanov ◽  
Dale L. Huber

Though a largely insoluble solid, when gently heated with alkyl amines, triiron dodecacarbonyl readily converts to a highly soluble, non-volatile, low-toxicity precursor for the synthesis of iron-containing nanoparticles. We show that this precursor is a convenient replacement for the volatile and highly toxic iron pentacarbonyl.


1967 ◽  
Vol 45 (18) ◽  
pp. 2011-2016 ◽  
Author(s):  
R. Bruce ◽  
K. Moseley ◽  
P. M. Maitlis

Tetramethylcyclobutadieneiron tricarbonyl has been obtained in 25–37% yield from the reaction of triiron dodecacarbonyl with either 3,4-dichlorotetramethylcyclobutene or tetramethylcyclobutadienenickel chloride dimer. The latter reaction also gave small amounts of another complex, Me8C8NiFe(CO)3. The reaction of [Me4C4NiCl2]2 with iron pentacarbonyl gave Me4C4Fe(CO)3 together with two other complexes. The structures of these new complexes are discussed in the light of their nuclear magnetic resonance, mass, and infrared spectra.


Author(s):  
P. S. Sklad

Over the past several years, it has become increasingly evident that materials for proposed advanced energy systems will be required to operate at high temperatures and in aggressive environments. These constraints make structural ceramics attractive materials for these systems. However it is well known that the condition of the specimen surface of ceramic materials is often critical in controlling properties such as fracture toughness, oxidation resistance, and wear resistance. Ion implantation techniques offer the potential of overcoming some of the surface related limitations.While the effects of implantation on surface sensitive properties may be measured indpendently, it is important to understand the microstructural evolution leading to these changes. Analytical electron microscopy provides a useful tool for characterizing the microstructures produced in terms of solute concentration profiles, second phase formation, lattice damage, crystallinity of the implanted layer, and annealing behavior. Such analyses allow correlations to be made with theoretical models, property measurements, and results of complimentary techniques.


2020 ◽  
pp. 114-119

Experimental and theoretical study Porphyrin-grafted ZnO nanowire arrays were investigated for organic/inorganic hybrid solar cell applications. Two types of porphyrin – Tetra (4-carboxyphenyle) TCPP and meso-Tetraphenylporphine (Zinc-TPP)were used to modify the nanowire surfaces. The vertically aligned nanowires with porphyrin modifications were embedded in graphene-enriched poly (3-hexylthiophene) [G-P3HT] for p-n junction nanowire solar cells. Surface grafting of ZnO nanowires was found to improve the solar cell efficiency. There are different effect for the two types of porphyrin as results of Zn existing. Annealing effects on the solar cell performance were investigated by heating the devices up to 225 °C in air. It was found that the cell performance was significantly degraded after annealing. The degradation was attributed to the polymer structural change at high temperature as evidenced by electrochemical impedance spectroscopy measurements.


INEOS OPEN ◽  
2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Т. Т. Vasil'eva ◽  
◽  
H. H. Hambardzumyan ◽  
N. Е. Mysova ◽  
O. N. Gorunova ◽  
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