Time-resolved pump and probe x-ray absorption fine structure spectroscopy at beamline P11 at PETRA III

被引：24

作者：

Goeries, D. ^{[1
]}

Dicke, B. ^{[2
]}

Roedig, P. ^{[1
]}

Stuebe, N. ^{[1
]}

Meyer, J. ^{[1
]}

Galler, A. ^{[3
]}

Gawelda, W. ^{[3
]}

Britz, A. ^{[3
,4
]}

Gessler, P. ^{[3
]}

Namin, H. Sotoudi ^{[3
]}

Beckmann, A. ^{[3
]}

Schlie, M. ^{[5
]}

Warmer, M. ^{[1
]}

Naumova, M. ^{[2
]}

Bressler, C. ^{[3
,4
]}

Ruebhausen, M. ^{[2
]}

Weckert, E. ^{[1
]}

Meents, A. ^{[1
]}

机构：

[1] Deutsch Elektronen Synchrotron DESY, DESY Photon Sci, Notkestr 85, D-22607 Hamburg, Germany

[2] Ctr Free Electron Laser Sci CFEL, Luruper Chaussee 149, D-22761 Hamburg, Germany

[3] European XFEL, Albert Einstein Ring 19, D-22761 Hamburg, Germany

[4] Hamburg Ctr Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany

[5] Univ Hamburg, Inst Expt Phys, Luruper Chaussee 149, D-22761 Hamburg, Germany

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2016年 / 87卷 / 05期

关键词：

EXCITED-STATE; DYNAMICS; COMPLEXES; FAC-IR(PPY)(3); IR(PPY)(3); EMISSION; SPECTRA;

D O I：

10.1063/1.4948596

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report about the development and implementation of a new setup for time-resolved X-ray absorption fine structure spectroscopy at beamline P11 utilizing the outstanding source properties of the low-emittance PETRA III synchrotron storage ring in Hamburg. Using a high intensity micrometer-sized X-ray beam in combination with two positional feedback systems, measurements were performed on the transition metal complex fac-Tris[2-phenylpyridinato-C2,N]iridium(III) also referred to as fac-Ir(ppy)(3). This compound is a representative of the phosphorescent iridium(III) complexes, which play an important role in organic light emitting diode (OLED) technology. The experiment could directly prove the anticipated photoinduced charge transfer reaction. Our results further reveal that the temporal resolution of the experiment is limited by the PETRA III X-ray bunch length of similar to 103 ps full width at half maximum (FWHM). Published by AIP Publishing.

引用

页数：10

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