Growth of flower-like porous ZnO nanosheets by electrodeposition with Zn5(OH)8(NO3)22H2O as precursor
作者： Qin Hou , Liqun Zhu , Haining Chen , Huicong Liu , Weiping Li
DOI: 10.1016/J.ELECTACTA.2012.05.113
关键词: Grain size 、 Electrolyte 、 Nanotechnology 、 Chemical engineering 、 Nanometre 、 Hydrate 、 Porosity 、 Materials science 、 Band gap 、 Semiconductor 、 Electrochemistry
摘要: Abstract In this paper, flower-like porous ZnO nanosheets were synthesized by indirect electrodeposition method using zinc hydroxide nitrate hydrate (Zn 5 (OH) 8 (NO 3 ) 2 2H O) as precursor. The Zn O first electrodeposited controlling the concentration of Zn(NO in electrolyte and electrochemical behavior growth process also discussed comparison with those ZnO. Flower-like obtained heat treatment due to decomposition O. highly composed nanoparticles grain size about tens nanometers. characterization measurements indicated that an n-type semiconductor a band gap 3.16 eV carrier 2.05 × 10 20 cm −3 . Besides, displayed broad green emission at around 475 nm. Once applied quantum dots-sensitized solar cells (QDSCs), exhibited good performance photoanode QDSCs.
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