removal of thiosulfate (s2o32-, 200 mg/l) from simulated wastewater samples was investigated under varying co-pollutants and ph conditions employing the titanium dioxide (tio2) mediated photocatalysis. for thiosulfate only studies higher substrate removal was noted at lower ph with a specific trend of ph 4 > ph 7 > ph 10. furthermore, near complete thiosulfate removal was also achieved at ph 4....

Quantum dots (QDs) are nanoscale semiconductor crystals that possess special characteristics, and they used in various fields. The composed of elements usually lie within the groups II-VI or III–V respectively. diameter these is smaller than Bohr excitation radius. These have unique photochemical photo-physical properties. There several methods for synthesizing QDs, which high temperature co-or...

Baiju K. Vijayan,†,‡ Nada M. Dimitrijevic,§,| Jinsong Wu,⊥ and Kimberly A. Gray*,‡ Institute of Catalysis for Energy Processes, Catalysis Centre and Department of CiVil & EnVironmental Engineering, Northwestern UniVersity, EVanston, Illinois 60208, United States, Chemical Sciences and Engineering DiVision and Center for Nanoscale Materials, Argonne National Laboratory, Illinois 60439, United St...

Vahid Khakyzadeh was born in Hamedan, Iran. He received his B.S. degree (Pure Chemistry) and M.S. degree (Organic Chemistry) from Bu-Ali Sina University, Hamedan, Iran, at 2008, 2010 respectively under supervision of professor Mohammad Ali Zolfigol. He is currently working on his Ph. D. under the supervision of professor Mohammad Ali Zolfigol in organic chemistry. Among his recent awards, Vahid...

An efficient and convenient protocol for synthesis of 3-hydroxy-3-indolyl-2-oxindoles and 3,3-diindolyl-2-oxindoles is presented here. The syntheses were achieved selectively under catalysis of LiClO4 whereby the products were obtained purely.

In this review, we examine the role of oxide support defects, cluster size-dependence, cluster structural fluxionality, and impurity doping on the catalytic properties of size-selected metal clusters on surfaces. By combining experimental results from the oxidation of CO on sizeselected gold clusters with ab-initio calculations, a detailed picture emerges of the electronic and structural dynami...

Organic Field Effect Transistors (OFETs) are used to measure ammonia in solution via ammonia diffusion into the OFET channel. An increase in ammonia concentrations results in a decrease in transistor currents. The regeneration of the OFET current after ammonia uptake is slow, which allows us to read out the maximum ammonia dose which was applied. A 100 nm parylene-C layer serves as a semipermea...

H2 generation from photocatalytic water splitting is one of the most promising approaches to producing cost-effective and sustainable fuel. Nanostructured TiO2 a highly stable efficient semiconductor photocatalyst for this purpose. The main drawback as sluggish charge transfer on surface that can be tackled great extent by use platinum group materials (PGM) co-catalysts. However, scarcity high ...