Hello everyone! As I’m nearing the end of my research at Professor Baldelli’s lab, I’ve been doing more of presentation prepping and giving than experimenting.
For most of this week, I prepped for my presentation that took place during our weekly Friday morning meeting. In that presentation included an overview of what I have been doing in lab along with the results I’ve been acquiring. For more in depth information about what I presented visit the link below!
After our group meeting, we all walked over to the campus fountain and took pictures!
Alongside my presentation for the group meeting, I have been preparing for my poster presentation that will take place in the lobby from 1-3 this Friday. I’m still putting it together, so I will include it in the next blog!
I did get to try etching this week as well. Etching is a process where you take a solution of KOH/KCN (potassium hydroxide/potassium cyanide) and remove bare gold from the areas where the PDMS stamp did not make contact. Etching is a crucial process due to its ability to create precise patterns, structures, and surface conditions. On a larger scale, microcontact printing and etching is used in various industries including medical, automotive, and environmental applications. My results for etching are below:
To tell if the etching worked, you have to take contact angles. The etched gold should be hydrophilic whereas the stamped gold remains hydrophobic.
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