If you want to improve the efficiency of solar cells, use your pencil. Well, the graphite in pencils can now be used to make tiny nanodots. Graphite rods in sodium hydroxide solution produce nanodots which can potentially be used to augment existing solar panels. The Pencil study involved using pencil "leads" as the cathode and anode, which were dropped into ethanolic sodium hydroxide. Nano particles of 3 nanometers (nm) were produced. Nanodots in a compound with carboxyl and hydroxyl collected on the anode. The nanodots were then drawn into the pores of a titanium and silicon dioxide template. Other mesoporous materials have been tested. They each have particular properties in regard to sensing, catalysis and optoelectronics. This allows for fine tuning of solar panels. The pencil lead system improved current transfer from simulated sunlight by 38 per cent. ◆ Chemistry by Ty Buchanan ◆ Adventure Australia Funny Animal Photos Funny Weird Things Article...
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