ZnO homojunction UV photodetector based on solution-grown Sb-doped p-type ZnO nanorods and pure n-type ZnO nanorods,10.1039/C4RA13205J

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ZnO homojunction UV photodetector based on solution-grown Sb-doped p-type ZnO nanorods and pure n-type ZnO nanorods

Wen Dai,Xinhua Pan,Shanshan Chen,Cong Chen,Wei Chen,Honghai Zhang,Zhizhen Ye

RSC Advances Pub Date : 12/08/2014 00:00:00 , DOI:10.1039/C4RA13205J

Abstract

A ZnO homojunction UV photodetector based on Sb-doped p-type ZnO nanorods (NRs) and n-type ZnO NRs was fabricated by a low temperature solution method. The fabricated homojunction shows well-defined rectifying characteristics, confirming the p-type conductivity of the Sb-doped ZnO NRs. Moreover, a high UV sensitivity of 3300% and a fast reset time to UV illumination are also achieved.