Microdroplet Chemistry, a New Frontier

My research group has been studying chemical reactions in microdroplets and comparing the findings with the behavior of the same reaction in bulk solution.  Our detection method has primarily been high-resolution mass spectrometry.  Two different experimental setups are employed, one involving fusing together two streams of microdroplets (shown in Fig. l, the panel on the left), the other simply involving desorption electrospray ionization (shown in Fig, 1, the panel on the right):

One significant advantage of investigating reactions in microdroplets is that this technique allows us to detect and identify fleeting intermediates in complex reactions.  Another special feature of microdroplet chemistry is that the rates of some reactions can be accelerated by a factor of 1000 or more!  Some speculations will be presented to account for this marked rate enhancement. Microdroplet chemistry is not simply a way to study reactions in bulk solutions but can also present new opportunities, as will be presented.  Be prepared for some surprises!

Division(s): Physical

Speaker: Dick Zare

Speaker Institution: Stanford

Event Date: 03-07-2018

Event Time: 4:00 PM

Event Location: Chemistry A101

Mixer Time: 3:45 PM

Mixer Location: Chemistry B101E

Host: A. R. Ravishankara