Organic Clean Changed

Nancy Latta nlatta at
Fri Jul 22 17:03:33 PDT 2011

Dear Wbsilicide Users,

Please be advised that the organic clean bath (4:1 sulfuric peroxide) 
has been permanently changed to 5:1:1 H2O:H2O2;NH4OH.
The bath must be changed every four hours and the addition of H2O2 is 
allowed, much the same as the 5:1:1 H2O;H2O2:HCl bath.  The bath 
temperature is 50C and the time remains 10 minutes.

There are several very good reasons for the change; 1) safety, 2) better 
quality clean, 3) sulfur contamination of nanowires and  4) lower 
chemical costs and on-site inventory.

Look for the forthcoming white paper on the wiki.  It will include 
references and results of our tests.

Please direct any questions or concerns to SNF staff members.

More information about the wbsilicide mailing list