I2 in Argon Clusters
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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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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


I2 in argon clusters

Gas Phase I2

I2 in Ar clusters

probe

pump


I2 in argon clusters

Bound B-state behavior


I2 in argon clusters

Dissociative A-state behavior

(note bare I2 still B-state behavior)

Geminate recombination

Dissociative A state


I2 in argon clusters

Long time-scale behavior

B state

B-state excitation

predissociation

Geminate recombination

A state


I2 in argon clusters

A-state vs B-state dynamics

Both pathways end up on A state, with lifetimes of micro- to maybe milli- seconds


I2 in argon clusters

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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