29665
Here , employing a conventional evaporation and condensation method , we successfully produce three types of Zn nanoparticles ranging from nanorods , mesoporous nanorods with nanospheres on their surfaces , and fully sintered nanocrystals .
 Chemical: Zn
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Zn 
Answer:
 Chemical: Zn