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Findings from United States Naval Research Laboratory in the Area of Materials Science Described (Impact of Nanocrystal Spray Deposition on Inorganic...

July 1, 2014

Findings from United States Naval Research Laboratory in the Area of Materials Science Described (Impact of Nanocrystal Spray Deposition on Inorganic Solar Cells)

By a News Reporter-Staff News Editor at Journal of Technology -- Research findings on Materials Science are discussed in a new report. According to news reporting from Washington, District of Columbia, by VerticalNews journalists, research stated, "Solution-synthesized inorganic cadmium telluride nanocrystals (similar to 4 nm; 1.45 eV band gap) are attractive elements for the fabrication of thin-film-based low-cost photovoltaic (PV) devices. Their encapsulating organic ligand shell enables them to be easily dissolved in organic solvents, and the resulting solutions can be spray-cast onto indium tin oxide (ITO)-coated glass under ambient conditions to produce photoactive thin films of CdTe."

The news correspondents obtained a quote from the research from United States Naval Research Laboratory, "Following annealing at 380 degrees C in the presence of CdCl2(s) and evaporation of metal electrode contacts (glass/ITO/CdTe/Ca/Al), Schottky-junction PV devices were tested under simulated 1 sun conditions. An improved PV performance was found to be directly tied to control over the film morphology obtained by the adjustment of spray parameters such as the solution concentration, delivery pressure, substrate distance, and surface temperature. Higher. spray pressures produced thinner layers (

According to the news reporters, the research concluded: "The film thickness, surface morphology, and light absorption were examined with scanning electron microscopy, optical profilometry, and UV/vis spectroscopy."

For more information on this research see: Impact of Nanocrystal Spray Deposition on Inorganic Solar Cells. ACS Applied Materials & Interfaces, 2014;6(10):7902-7909. ACS Applied Materials & Interfaces can be contacted at: Amer Chemical Soc, 1155 16TH St, NW, Washington, DC 20036, USA. (American Chemical Society -; ACS Applied Materials & Interfaces -

Our news journalists report that additional information may be obtained by contacting T.K. Townsend, US Naval Res Lab, Washington, DC 20375, United States. Additional authors for this research include W. Yoon, E.E. Foos and J.G. Tischler.

Keywords for this news article include: Washington, United States, Materials Science, District of Columbia, North and Central America

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Source: Journal of Technology

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