Former Members of the Güdel Group

Dr. Markus Wermuth;
graduate student and postdoc until June 2001

Contact Markus Wermuth
Dr. Markus Wermuth
Solvias AG
Klybeckstrasse 191
CH - 4057 Basel
Switzerland
Phone +41 (0)61 686 60 85
Fax +41 (0)61 686 65 65
e-Mail markus.wermuth@solvias.com
Web http://www.solvias.com

Education

Born 1971.
Matura 1991.
Diploma in Chemistry at the University of Bern 1996.
PhD in Chemistry at the University of Bern 2001; title of thesis: "Transition-metal ions in luminescence upconversion: The 5d ions Os4+ and Re4+ ".

Research field

NIR-to-VIS upconversion of rare-earth and transition-metal ions doped into crystalline hosts.

Publications

Markus Wermuth and Hans U. Güdel
Upconversion luminescence in a 5d transition-metal ion system: Cs2ZrCl6:Os4+
Chem. Phys. Lett. 281, 81-85 (1997)      Abstract      Full Text (PDF)

Markus Wermuth, Toni Riedener and Hans U. Güdel
Spectroscopy and upconversion mechanisms of CsCdBr3:Dy3+
Phys. Rev. B 57, 4369-4376 (1998)      Abstract      Full Text (PDF)

Philipp Müller, Markus Wermuth and Hans U. Güdel
Mechanisms of near-infrared to visible upconversion in CsCdBr3:Ho3+
Chem. Phys. Lett. 290, 105-111 (1998)      Abstract      Full Text (PDF)

Markus Wermuth and Hans U. Güdel
Photon Avalanche in Cs2ZrBr6:Os4+
J. Am. Chem. Soc. 121, 10102-10111 (1999)      Abstract      Full Text (PDF)

Daniel R. Gamelin, Markus Wermuth and Hans U. Güdel
Up-conversion processes of 5d transition metal ions in crystals
J. Lumin. 83-84, 405-410 (1999)      Abstract      Full Text (PDF)

Markus Wermuth and Hans U. Güdel
NIR to VIS up-conversion in Os4+-doped halide
J. Lumin. 87-89, 1014-1016 (2000)      Abstract      Full Text (PDF)

Andreas Loosli, Markus Wermuth and Hans-Ueli Güdel, Silvia Capelli, Jürg Hauser and Hans-Beat Bürgi
Crystal Structure and Optical Spectroscopy of Er2[Pt(CN)4]3·21H2O and Er2[Pt(CN)4]2·SO4·11.5H2O
Inorg. Chem. 39, 2289-2293 (2000)      Abstract      Full Text (PDF)      Crystal Structure Data (CIF format)

Markus Wermuth and Hans U. Güdel
Lifetime determination of intermediate excited electronic states via up-conversion using sequences of square-wave excitation pulses
Chem. Phys. Lett. 323, 514-521 (2000)      Abstract      Full Text (PDF)

Markus Wermuth and Hans U. Güdel
Photon avalanche in Cs2ZrCl6: Os4+
J. Chem. Phys. 114, 1393-1404 (2001)      Abstract      Full Text (PDF)

S. Heer, M. Wermuth, K. Krämer and H. U. Güdel
Upconversion excitation of Cr3+ 2E emission in Y3Ga5O12 codoped with Cr3+ and Yb3+
Chem. Phys. Lett. 334, 293-297 (2001)      Abstract      Full Text (PDF)

Markus Wermuth, Andrea Schmitz and Hans U. Güdel
Cooperative processes and upconversion in Cs2NaYCl6 codoped with Os4+ and Er3+
Phys. Rev. B 63, 245118/1-10 (2001)      Abstract      Full Text (PDF)

Markus Wermuth and Hans U. Güdel
Luminescence spectroscopy and NIR to VIS upconversion of Cs2GeF6: 2% Re4+
J. Phys.: Condens. Matter 13, 9583-9598 (2001)      Abstract      Full Text (PDF)

S. Heer, M. Wermuth, K. Krämer, D. Ehrentraut and H. U. Güdel
Up-conversion excitation of sharp Cr3+ 2E emission in YGG and YAG codoped with Cr3+ and Yb3+
J. Lumin. 94-95, 337-341 (2001)      Abstract      Full Text (PDF)

Markus Wermuth, Christian Reber and Hans U. Güdel
High-Resolution Luminescence and Absorption Spectroscopy of Cs2GeF6:Os4+
Inorg. Chem. 40, 3693-3703 (2001)      Abstract      Full Text (PDF)

S. Heer, M. Wermuth, K. Krämer and H. U. Güdel
Sharp 2E upconversion luminescence of Cr3+ in Y3Ga5O12 codoped with Cr3+ and Yb3+
Phys. Rev. B 65, 125112/1-10 (2002)      Abstract      Full Text (PDF)

Oliver S. Wenger, Markus Wermuth and Hans U. Güdel
Chemical tuning of transition metal upconversion properties
J. Alloys Comp. 341, 342-348 (2002)      Abstract      Full Text (PDF)

Last modified: 13.12.11 by Gabriela Frei