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picture1_Ppt In Chemistry 72090 | Als U Science Opportunity


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File: Ppt In Chemistry 72090 | Als U Science Opportunity
chemical kinetics in submicron droplets opportunity als u tools required submicron droplets are reactive compartments soft x ray imaging spectroscopy beamline with whose overall chemistry is governed by 1 mm ...

icon picture PPTX Filetype Power Point PPTX | Posted on 31 Aug 2022 | 3 years ago
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      Chemical kinetics in submicron droplets
                            Opportunity                                                                                 ALS-U Tools Required
     Submicron droplets are reactive compartments                                                       Soft x-ray imaging/spectroscopy beamline with 
     whose overall chemistry is governed by                                                             ~1 mm focal spot (possibly nanofocus); flexible 
     interplay of surface and bulk processes.  There is                                                 sample environment (temperature, humidity); 
     emerging evidence that confined reactions                                                          colliding aerosol droplet jets for rapid mixing 
     proceed via much different mechanisms and                                                          and sub-ms chemical kinetic measurements; 
     rates than the same reactions in macroscopic                                                       optical and electrostatic aerosol traps 
     containers.
                    Importance of ALS-U                                                                               Broader Scientific Impact
     The coherence of ALS-U will enable soft x-ray                                                      Aerosol chemistry is one of the more poorly 
     microscopy, correlation spectroscopy, and                                                          modeled feature of earth’s climate system;  
     nanoprobe spectroscopies to probe chemical                                                         droplets replicate complex chemistry relevant 
     structure and kinetics with nanoscale sensitivity.                                                 to many realistic environments, e.g., geological 
     References:                                                                                        pores, atmospheric aerosols, micelles, etc.
     Carroll, B.; Hidrovo, C., Experimental Investigation of Inertial Mixing in Colliding Droplets. Heat 
         Transfer Engineering 2013, 34, (2-3), 120-130.
     Lee, J. K.; Kim, S.; Nam, H. G.; Zare, R. N., Microdroplet fusion mass spectrometry for fast reaction 
         kinetics. Proceedings of the National Academy of Sciences 2015, 112, (13), 3898-3903.
     IPCC, Climate Change: The Physical Science Basis - Contribution of Working Group I to the Fourth 
         Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University                 Contact: Kevin Wilson, LBNL/CSD 
         Press: Cambridge, 2007.
      
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...Chemical kinetics in submicron droplets opportunity als u tools required are reactive compartments soft x ray imaging spectroscopy beamline with whose overall chemistry is governed by mm focal spot possibly nanofocus flexible interplay of surface and bulk processes there sample environment temperature humidity emerging evidence that confined reactions colliding aerosol droplet jets for rapid mixing proceed via much different mechanisms sub ms kinetic measurements rates than the same macroscopic optical electrostatic traps containers importance broader scientific impact coherence will enable one more poorly microscopy correlation modeled feature earth s climate system nanoprobe spectroscopies to probe replicate complex relevant structure nanoscale sensitivity many realistic environments e g geological references pores atmospheric aerosols micelles etc carroll b hidrovo c experimental investigation inertial heat transfer engineering lee j k kim nam h zare r n microdroplet fusion mass spe...

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