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Multiple exciton generation(MEG) in Quantum dots

Started Oct 2, 2010 0 Replies

Dear members,         What is multiple exciton generation  and how it occurs? Does it depand on shape of nanoparticles?Continue


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My research field or area of interest innanotechnology
Nanomaterials- Novel routes to synthesis, characterization & applications.
Interest in...
synthesis of nanostructured materials by single and dual source,
Microscopy of nanostructured materials, XPS study of nanomaterials, applications of nanomaterials as photovoltiac materials, developing new green synthetic routes for nanoparticles synthesis
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Javeed's Blog

Transient Optical Studies of Interfacial Charge Transfer at Nanostructured Metal Oxide/PbS Quantum Dot/Organic Hole Conductor Heterojunctions

Posted on February 8, 2010 at 12:45am 0 Comments

We report a transient absorption and luminescence study addressing the charge separation, recombination, and regeneration reactions at nanostructured metal oxide/PbS quantum dot/organic hole conductor

heterojunctions. We show that yields of charge separation are

significantly higher at PbS/SnO2 interfaces relative to PbS/TiO222. We also report a correlation between the PbS particle size and the…

A greener route to photoelectrochemical PbS nanoparticles

Posted on February 8, 2010 at 12:38am 0 Comments

A cheap and more environmentally friendly method for the synthesis of

high quality PbS nanoparticles in olive oil at 60 °C has been

developed. Carefully controlling the conditions of reactions leads to

PbS nanoparticles with well-defined sizes, and band gaps between 1.72

and 0.88 eV. The nanoparticles were characterized by XRD, HRTEM, NIR

absorption spectroscopy, X-ray photoelectron spectroscopy (XPS) and a

fluorescence lifetime experiment based on…

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At 11:10am on August 1, 2010,
Full member
shah Ashraf

Narosa Publishing House is pleased to announce the release of

Principles of Nanoscience and Nanotechnology

M. A. Shah

Tokeer Ahmad
At 2:08pm on June 23, 2010,
Full member
S. Wazed Ali
Hi!! Is there any post doc position in your lab? I am about to complete my PhD. My field is Nanotechnology in Polymers and Textiles. Currently I am working on nanobiotechnology. Many thanks!
At 7:27pm on March 3, 2010,
Full member
Dear Javid, busy in lab, winding up everything but still lab work no finsihed.
What about You, have u applied for interim placment by HEC. Me not yet.
At 1:02pm on February 1, 2010,
Full member
Muhammad Shahid
Not too much however, if it is, only due to special blessings of God, prayers of parents, guidance of teachers and cooperation of friends.
At 8:44pm on January 18, 2010,
Full member

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