Versatile cluster based photoelectron spectrometer

K. L. Knappenberger; C. E. Jones; M. A. Sobhy; A. W. Castleman

doi:10.1063/1.2393163

Versatile cluster based photoelectron spectrometer

K. L. Knappenberger, C. E. Jones, M. A. Sobhy, A. W. Castleman

Chemistry

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22 Scopus citations

Abstract

A recently constructed cluster based photoelectron spectrometer is described. This instrumentation is unique in that it enables the kinetic energy analysis of electrons ejected from both anions and neutral clusters. This capability permits the investigation of discrete electronic levels in all charge states (anionic, neutral, and cationic). A laser vaporization plasma reactor cluster source affixed with a sublimation cell is employed to produce a variety of metal clusters, and the resulting cluster distributions are analyzed with time-of-flight mass spectrometry. The corresponding electronic structure is analyzed with a "magnetic bottle" photoelectron spectrometer. Examples of instrument performance operating in both anion photodetachment and neutral multiphoton ionization (MPI) modes are provided. In the case of neutral MPI, the corresponding product distribution is collected with a Wiley-McLaren [Rev. Sci. Instrum. 26, 1150 (1955)] mass spectrometer mounted perpendicular to the magnetic bottle photoelectron spectrometer.

Original language	English (US)
Article number	123901
Journal	Review of Scientific Instruments
Volume	77
Issue number	12
DOIs	https://doi.org/10.1063/1.2393163
State	Published - 2006

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.2393163

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title = "Versatile cluster based photoelectron spectrometer",

abstract = "A recently constructed cluster based photoelectron spectrometer is described. This instrumentation is unique in that it enables the kinetic energy analysis of electrons ejected from both anions and neutral clusters. This capability permits the investigation of discrete electronic levels in all charge states (anionic, neutral, and cationic). A laser vaporization plasma reactor cluster source affixed with a sublimation cell is employed to produce a variety of metal clusters, and the resulting cluster distributions are analyzed with time-of-flight mass spectrometry. The corresponding electronic structure is analyzed with a {"}magnetic bottle{"} photoelectron spectrometer. Examples of instrument performance operating in both anion photodetachment and neutral multiphoton ionization (MPI) modes are provided. In the case of neutral MPI, the corresponding product distribution is collected with a Wiley-McLaren [Rev. Sci. Instrum. 26, 1150 (1955)] mass spectrometer mounted perpendicular to the magnetic bottle photoelectron spectrometer.",

author = "Knappenberger, {K. L.} and Jones, {C. E.} and Sobhy, {M. A.} and Castleman, {A. W.}",

note = "Funding Information: The authors gratefully acknowledge funding by the United States Air Force Office of Scientific Research, Grant No. FA9550-04-1-0066. Professor Kit Bowen of John Hopkins is thanked for advice on the construction of the magnetic bottle photoelectron spectrometer. Also, assistance from Rod Kreuter and the chemistry instrument shop at the Pennsylvania State University for the design and construction of electronic components is gratefully acknowledged. ",

year = "2006",

doi = "10.1063/1.2393163",

language = "English (US)",

volume = "77",

journal = "Review of Scientific Instruments",

issn = "0034-6748",

publisher = "American Institute of Physics",

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AU - Knappenberger, K. L.

AU - Jones, C. E.

AU - Sobhy, M. A.

AU - Castleman, A. W.

N1 - Funding Information: The authors gratefully acknowledge funding by the United States Air Force Office of Scientific Research, Grant No. FA9550-04-1-0066. Professor Kit Bowen of John Hopkins is thanked for advice on the construction of the magnetic bottle photoelectron spectrometer. Also, assistance from Rod Kreuter and the chemistry instrument shop at the Pennsylvania State University for the design and construction of electronic components is gratefully acknowledged.

PY - 2006

Y1 - 2006

N2 - A recently constructed cluster based photoelectron spectrometer is described. This instrumentation is unique in that it enables the kinetic energy analysis of electrons ejected from both anions and neutral clusters. This capability permits the investigation of discrete electronic levels in all charge states (anionic, neutral, and cationic). A laser vaporization plasma reactor cluster source affixed with a sublimation cell is employed to produce a variety of metal clusters, and the resulting cluster distributions are analyzed with time-of-flight mass spectrometry. The corresponding electronic structure is analyzed with a "magnetic bottle" photoelectron spectrometer. Examples of instrument performance operating in both anion photodetachment and neutral multiphoton ionization (MPI) modes are provided. In the case of neutral MPI, the corresponding product distribution is collected with a Wiley-McLaren [Rev. Sci. Instrum. 26, 1150 (1955)] mass spectrometer mounted perpendicular to the magnetic bottle photoelectron spectrometer.

AB - A recently constructed cluster based photoelectron spectrometer is described. This instrumentation is unique in that it enables the kinetic energy analysis of electrons ejected from both anions and neutral clusters. This capability permits the investigation of discrete electronic levels in all charge states (anionic, neutral, and cationic). A laser vaporization plasma reactor cluster source affixed with a sublimation cell is employed to produce a variety of metal clusters, and the resulting cluster distributions are analyzed with time-of-flight mass spectrometry. The corresponding electronic structure is analyzed with a "magnetic bottle" photoelectron spectrometer. Examples of instrument performance operating in both anion photodetachment and neutral multiphoton ionization (MPI) modes are provided. In the case of neutral MPI, the corresponding product distribution is collected with a Wiley-McLaren [Rev. Sci. Instrum. 26, 1150 (1955)] mass spectrometer mounted perpendicular to the magnetic bottle photoelectron spectrometer.

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Versatile cluster based photoelectron spectrometer

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