Moawia Omer Elhag Ahmed
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Abstract We report on the synthesis of CdSe/ZnX (X=S, Se) core/shell quantum dots from the CdO precursor through a convenient, one-pot approach. The defocusing stage (i.e., Ostwald Ripening) can be… Continue Reading
Monolayer-protected clusters of silver have been synthesised by the NaBH4 reduction of a mixture of silver nitrate and the crown ether (6-mercaptohexyloxy)methyl-15-crown-5, or the triosmium cluster… Continue Reading
Abstract We reported the design and synthesis of a new type of metal-cation probes, 3-hydroxy-4-(1,4,7,10-tetraoxa-13-azacyclopentadec-13-ylmethyl)naphthalene-2-carbaldehyde ( 1a ) and its single… Continue Reading
The hydrated tris(dibenzoylmethanido)(o-phenanthroline)europium(III) complex, [Eu(DBM)3(Phen)]·xH2O, is converted efficiently into anhydrous… Continue Reading
Abstract Silver nanoparticles stabilized by the water soluble triosmium cluster Os3(μ-H)(CO)10S(CH2)10COO]Na were prepared by both photochemical and chemical reduction of silver nitrate. The silver… Continue Reading
Three derivatives of thieno[3,2-b]thiophene end-capped with phenyl units have been synthesized and characterized by MALDI TOF mass spectroscopy, elemental analysis, UV-vis absorption spectroscopy and… Continue Reading
This study describes the synthesis, characterization and electronic properties of a novel series of soluble thieno[3,2-b]thiophene oligomers (1a and b and 2a and b) for thin film transistor (TFT)… Continue Reading
A new metal ion probe 8-(1,4,7,10-tetraoxa-13-azacyclopentadec-13-ylmethyl)quinolin-7-ol (1a) was synthesized via a modified Mannich reaction, in which the mechanism of recognition incorporates… Continue Reading
The electrical detection of CO at room temperature is achieved using Cr-contacted single-walled carbon nanotube network transistors modified with thiolated heme molecules.
Thermolysis of a toluene solution containing [Fe3(CO)9(μ3-E)2] (E = S or Se) and [M(L)(CO)3(CCPh)], M = Mo or W, resulted in coupling of co-ordinated acetylide ligands with and without CO and… Continue Reading