Ultrafast mid-IR detection of the direct precursor to the presolvated electron following electron ejection from ferrocyanide

Neil A. Anderson; Kun Hang; John B. Asbury; Tianquan Lian

doi:10.1016/S0009-2614(00)01046-0

Ultrafast mid-IR detection of the direct precursor to the presolvated electron following electron ejection from ferrocyanide

Neil A. Anderson, Kun Hang, John B. Asbury, Tianquan Lian

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

Excitation of Fe(CN)₆^4- complex in D₂O solution with a 267 nm ultrashort laser pulse results in rapid charge-transfer-to-solvent, and subsequent electron hydration. Mid-IR transient absorption spectroscopy is used to investigate the ejection and earliest steps in electron solvation. A broad, intense absorption signal is observed with instrument-response-limited rise and 170±20 fs single exponential decay at all probe wavelengths studied, stretching from ~3 to 7 μm. No significant solvent isotope dependence in the time-evolution was seen. The spectral and temporal characteristics of the mid-IR signal provide strong evidence that it arises from a step in solvation immediately preceding formation of the presolvated electron.

Original language	English (US)
Pages (from-to)	386-392
Number of pages	7
Journal	Chemical Physics Letters
Volume	329
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(00)01046-0
State	Published - Oct 27 2000

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/S0009-2614(00)01046-0

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@article{c831e284631a495ebbfc1cbe764406ae,

title = "Ultrafast mid-IR detection of the direct precursor to the presolvated electron following electron ejection from ferrocyanide",

abstract = "Excitation of Fe(CN)64- complex in D2O solution with a 267 nm ultrashort laser pulse results in rapid charge-transfer-to-solvent, and subsequent electron hydration. Mid-IR transient absorption spectroscopy is used to investigate the ejection and earliest steps in electron solvation. A broad, intense absorption signal is observed with instrument-response-limited rise and 170±20 fs single exponential decay at all probe wavelengths studied, stretching from ~3 to 7 μm. No significant solvent isotope dependence in the time-evolution was seen. The spectral and temporal characteristics of the mid-IR signal provide strong evidence that it arises from a step in solvation immediately preceding formation of the presolvated electron.",

author = "Anderson, {Neil A.} and Kun Hang and Asbury, {John B.} and Tianquan Lian",

note = "Funding Information: This work is supported by the National Science Foundation CAREER award under grant 9733796.",

year = "2000",

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doi = "10.1016/S0009-2614(00)01046-0",

language = "English (US)",

volume = "329",

pages = "386--392",

journal = "Chemical Physics Letters",

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publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Ultrafast mid-IR detection of the direct precursor to the presolvated electron following electron ejection from ferrocyanide

AU - Anderson, Neil A.

AU - Hang, Kun

AU - Asbury, John B.

AU - Lian, Tianquan

N1 - Funding Information: This work is supported by the National Science Foundation CAREER award under grant 9733796.

PY - 2000/10/27

Y1 - 2000/10/27

N2 - Excitation of Fe(CN)64- complex in D2O solution with a 267 nm ultrashort laser pulse results in rapid charge-transfer-to-solvent, and subsequent electron hydration. Mid-IR transient absorption spectroscopy is used to investigate the ejection and earliest steps in electron solvation. A broad, intense absorption signal is observed with instrument-response-limited rise and 170±20 fs single exponential decay at all probe wavelengths studied, stretching from ~3 to 7 μm. No significant solvent isotope dependence in the time-evolution was seen. The spectral and temporal characteristics of the mid-IR signal provide strong evidence that it arises from a step in solvation immediately preceding formation of the presolvated electron.

AB - Excitation of Fe(CN)64- complex in D2O solution with a 267 nm ultrashort laser pulse results in rapid charge-transfer-to-solvent, and subsequent electron hydration. Mid-IR transient absorption spectroscopy is used to investigate the ejection and earliest steps in electron solvation. A broad, intense absorption signal is observed with instrument-response-limited rise and 170±20 fs single exponential decay at all probe wavelengths studied, stretching from ~3 to 7 μm. No significant solvent isotope dependence in the time-evolution was seen. The spectral and temporal characteristics of the mid-IR signal provide strong evidence that it arises from a step in solvation immediately preceding formation of the presolvated electron.

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DO - 10.1016/S0009-2614(00)01046-0

M3 - Article

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SN - 0009-2614

VL - 329

SP - 386

EP - 392

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 5-6

ER -

Ultrafast mid-IR detection of the direct precursor to the presolvated electron following electron ejection from ferrocyanide

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