Andreas Lindblad | Uppsala University (original) (raw)

Andreas Lindblad

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Papers by Andreas Lindblad

Research paper thumbnail of Kagome-like silicene: A novel exotic form of two-dimensional epitaxial silicon

Research paper thumbnail of Energy Dependent Relative Cross Sections in Carbon 1s Photoionization. Separation of Direct Shake and Inelastic Scattering Effects in Single Molecules

The Journal of Physical Chemistry A

Research paper thumbnail of In Situ Formation of Ge Nanoparticles by Annealing of Al-Ge-N Thin Films Followed by HAXPES and XRD

Research paper thumbnail of Investigation of the surface species during temperature dependent dehydrogenation of naphthalene on Ni(111)

The Journal of Chemical Physics

Research paper thumbnail of Electronic structure characterisation of cross-linked sulfur polymers

Chemphyschem : a European journal of chemical physics and physical chemistry, May 16, 2018

Cross-linked polymers of elemental sulfur are of potential interest for electronic applications a... more Cross-linked polymers of elemental sulfur are of potential interest for electronic applications as they enable facile thin film processing of an abundant and cheap starting material. In this paper, we characterize the electronic structure of a cross-linked sulfur / diisopropenyl benzene (DIB) polymer by a combination of soft and hard X-ray photoelectron spectroscopy. Two different approaches for enhancing the conductivity of the polymer are compared: the addition of selenium in the polymer synthesis and the addition of lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) during film preparation. For the former, we observe the incorporation of Se into the polymer structure resulting in a changed valence band structure. For the latter, a Fermi level shift in agreement with p-type doping of the polymer is observed but also the formation of a surface layer consisting mostly of TFSI anions.

Research paper thumbnail of Minimizing sputter-induced damage during deposition of WS2onto graphene

Research paper thumbnail of Photochemical conversion of tin-oxo cage compounds studied using hard x-ray photoelectron spectroscopy

Advances in Patterning Materials and Processes XXXIV

Research paper thumbnail of Partially reversible photo-induced chemical changes in a mixed-ion perovskite material for solar cells

ACS applied materials & interfaces, Jan 19, 2017

Metal halide perovskites have emerged as materials of high interest for solar energy to electrici... more Metal halide perovskites have emerged as materials of high interest for solar energy to electricity conversion and in particular the use of mixed ion structures has led to high power conversion efficiencies and improved stability. For this reason, it is important develop means to obtain atomic level understanding of the photo-induced behaviour of these materials including processes such as photo-induced phase separation and ion migration. In this paper, we implement a new methodology combining visible laser illumination of a mixed-ion perovskite ((FAPbI3)0.85(MAPbBr3)0.15) with the element and chemical sensitivity of core-level photoelectron spectroscopy. By carrying out measurements at a synchrotron beamline optimised for low X-ray fluxes, we are able to avoid sample changes due to X-ray illumination and are therefore able to monitor what sample changes are induced by visible illumination only. We find that laser illumination causes partially reversible chemistry in the surface reg...

Research paper thumbnail of High photon energy spectroscopy of NiO: Experiment and theory

Research paper thumbnail of The diffusion behavior if O2 doped on large Ar clusters

Research paper thumbnail of Ultrafast dissociation of core-excited SF6 probed by Auger-Doppler e_ect in the _eld of circularly polarized X-rays

Research paper thumbnail of Characterisation of weakly excited final states by shakedown spectroscopy of laser excited potassium

Research paper thumbnail of A Treatise on the Geometric and Electronic Structure of Clusters : Investigated by Synchrotron Radiation Based Electron Spectroscopies

Research paper thumbnail of The diffusion behavior of O2 doped on large Ar clusters

Journal of Chemical Physics, 2007

Research paper thumbnail of Two size regimes of methanol clusters produced by adiabatic expansion

The Journal of Chemical Physics, Nov 14, 2006

Research paper thumbnail of Charge delocalization dynamics of ammonia in different hydrogen bonding environments: free clusters and in liquid water solution

Pccp Physical Chemistry Chemical Physics, Mar 3, 2009

Research paper thumbnail of Characterization of weakly excited final states by shakedown spectroscopy of laser-excited potassium (6 pages)

Research paper thumbnail of Photon energy dependent intensity variations observed in Auger spectra of free argon clusters

Journal of Physics B Atomic Molecular and Optical Physics, Aug 7, 2006

Research paper thumbnail of Temperature Induced Diffusion of Sn and Si in Hematite and Implications for Photocatalytic Water Splitting Applications

Research paper thumbnail of Temperature Induced Diffusion of Sn and Si in Hematite and Implications for Photocatalytic Water Splitting Applications

Research paper thumbnail of Kagome-like silicene: A novel exotic form of two-dimensional epitaxial silicon

Research paper thumbnail of Energy Dependent Relative Cross Sections in Carbon 1s Photoionization. Separation of Direct Shake and Inelastic Scattering Effects in Single Molecules

The Journal of Physical Chemistry A

Research paper thumbnail of In Situ Formation of Ge Nanoparticles by Annealing of Al-Ge-N Thin Films Followed by HAXPES and XRD

Research paper thumbnail of Investigation of the surface species during temperature dependent dehydrogenation of naphthalene on Ni(111)

The Journal of Chemical Physics

Research paper thumbnail of Electronic structure characterisation of cross-linked sulfur polymers

Chemphyschem : a European journal of chemical physics and physical chemistry, May 16, 2018

Cross-linked polymers of elemental sulfur are of potential interest for electronic applications a... more Cross-linked polymers of elemental sulfur are of potential interest for electronic applications as they enable facile thin film processing of an abundant and cheap starting material. In this paper, we characterize the electronic structure of a cross-linked sulfur / diisopropenyl benzene (DIB) polymer by a combination of soft and hard X-ray photoelectron spectroscopy. Two different approaches for enhancing the conductivity of the polymer are compared: the addition of selenium in the polymer synthesis and the addition of lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) during film preparation. For the former, we observe the incorporation of Se into the polymer structure resulting in a changed valence band structure. For the latter, a Fermi level shift in agreement with p-type doping of the polymer is observed but also the formation of a surface layer consisting mostly of TFSI anions.

Research paper thumbnail of Minimizing sputter-induced damage during deposition of WS2onto graphene

Research paper thumbnail of Photochemical conversion of tin-oxo cage compounds studied using hard x-ray photoelectron spectroscopy

Advances in Patterning Materials and Processes XXXIV

Research paper thumbnail of Partially reversible photo-induced chemical changes in a mixed-ion perovskite material for solar cells

ACS applied materials & interfaces, Jan 19, 2017

Metal halide perovskites have emerged as materials of high interest for solar energy to electrici... more Metal halide perovskites have emerged as materials of high interest for solar energy to electricity conversion and in particular the use of mixed ion structures has led to high power conversion efficiencies and improved stability. For this reason, it is important develop means to obtain atomic level understanding of the photo-induced behaviour of these materials including processes such as photo-induced phase separation and ion migration. In this paper, we implement a new methodology combining visible laser illumination of a mixed-ion perovskite ((FAPbI3)0.85(MAPbBr3)0.15) with the element and chemical sensitivity of core-level photoelectron spectroscopy. By carrying out measurements at a synchrotron beamline optimised for low X-ray fluxes, we are able to avoid sample changes due to X-ray illumination and are therefore able to monitor what sample changes are induced by visible illumination only. We find that laser illumination causes partially reversible chemistry in the surface reg...

Research paper thumbnail of High photon energy spectroscopy of NiO: Experiment and theory

Research paper thumbnail of The diffusion behavior if O2 doped on large Ar clusters

Research paper thumbnail of Ultrafast dissociation of core-excited SF6 probed by Auger-Doppler e_ect in the _eld of circularly polarized X-rays

Research paper thumbnail of Characterisation of weakly excited final states by shakedown spectroscopy of laser excited potassium

Research paper thumbnail of A Treatise on the Geometric and Electronic Structure of Clusters : Investigated by Synchrotron Radiation Based Electron Spectroscopies

Research paper thumbnail of The diffusion behavior of O2 doped on large Ar clusters

Journal of Chemical Physics, 2007

Research paper thumbnail of Two size regimes of methanol clusters produced by adiabatic expansion

The Journal of Chemical Physics, Nov 14, 2006

Research paper thumbnail of Charge delocalization dynamics of ammonia in different hydrogen bonding environments: free clusters and in liquid water solution

Pccp Physical Chemistry Chemical Physics, Mar 3, 2009

Research paper thumbnail of Characterization of weakly excited final states by shakedown spectroscopy of laser-excited potassium (6 pages)

Research paper thumbnail of Photon energy dependent intensity variations observed in Auger spectra of free argon clusters

Journal of Physics B Atomic Molecular and Optical Physics, Aug 7, 2006

Research paper thumbnail of Temperature Induced Diffusion of Sn and Si in Hematite and Implications for Photocatalytic Water Splitting Applications

Research paper thumbnail of Temperature Induced Diffusion of Sn and Si in Hematite and Implications for Photocatalytic Water Splitting Applications

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