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A model is proposed for the drop in electronic resistance of n‐type semiconducting indium oxide (In2O3) upon illumination with light (350 nm, 3.5 eV) as well as for the (light‐enhanced) sensitivity of In2O3 to oxidizing gases. Essential features of the model are photoreduction and a rate‐limiting oxygen‐diffusion step. Ordered, mesoporous In2O3 with a high specific surface area serves as a versatile...
The size controlled zinc oxide nanoparticle is synthesized in the isothermal evaporation method with albumen (egg white). This method is simple and cost effective for synthesis of ZnO nano powder. The egg white foam was assisted to increase the reaction rate and produce the zinc oxide nano powder. This method helps to attain the particle size in the range 13–28 nm. The results from X-ray diffraction...
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