| A simple preparation of ZnO nanocones and exposure to formaldehyde 
 Available online 30 April 2014
 Shahid Hussain, Tianmo Liu, M. Kashif, Shixiu Cao, Wen Zeng, Sibo Xu, Khalid Naseer, Uda Hashim
 
 
 Graphical abstract
 For the first time using double surfactant, we prepared twinned ZnO nanodisks. Before twinning, both the surfactants were used to make nanodisk structures, and then assembled to twin the nanodsiks by a controlled hydrothermal method.
  
 
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