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I2 in Argon Clusters

I2 in Argon Clusters. Pump: varied from 480-700 nm Probe: mostly 307 nm Laser induced fluorescence: monitored peak at 400 nm and 342 nm. Gas Phase I2. I2 in Ar clusters. probe. pump. Bound B-state behavior. Dissociative A-state behavior. (note bare I2 still B-state behavior).

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I2 in Argon Clusters

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  1. I2 in Argon Clusters Pump: varied from 480-700 nm Probe: mostly 307 nm Laser induced fluorescence: monitored peak at 400 nm and 342 nm

  2. Gas Phase I2 I2 in Ar clusters probe pump

  3. Bound B-state behavior

  4. Dissociative A-state behavior (note bare I2 still B-state behavior) Geminate recombination Dissociative A state

  5. Long time-scale behavior B state B-state excitation predissociation Geminate recombination A state

  6. A-state vs B-state dynamics Both pathways end up on A state, with lifetimes of micro- to maybe milli- seconds

  7. Figures are from: JK Wang, Q Liu, and AH Zewail. J PhysChem, 1995, 99,11309-11320. And J PhysChem, 1995, 99, 11321-11332.

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