Per Morgen

Search results

• 2023

  Correlation between the Electrochemical Durability of Pt/C Catalysts and the Surface Functional Groups of the Support Carbon

  Omann, K. J., Sharma, R., Morgen, P., Gyergyek, S., Larsen, M. J. & Andersen, S. M., 2023, In: ACS Applied Energy Materials. 6, 3, p. 1294-1307

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Catalyst supports 100%
  • Functional groups 99%
  • Catalysts 64%
  • Durability 61%
  • Carbon 57%

• IrO₂/Ir Composite Nanoparticles (IrO₂@Ir) Supported on TiN_xO_y Coated TiN: Efficient and Robust Oxygen Evolution Reaction Catalyst for Water Electrolysis

  Karade, S. S., Sharma, R., Gyergyek, S., Morgen, P. & Andersen, S. M., 20. Feb 2023, In: ChemCatChem. 15, 4, 12 p., e202201470.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

  • Oxygen evolution reaction 100%
  • electrolysis 61%
  • Electrolysis 60%
  • Nanoparticles 51%
  • catalysts 48%
  19 Downloads (Pure)

• Multiple Bubble Removal Strategies to Promote Oxygen Evolution Reaction: Mechanistic Understandings from Orientation, Rotation, and Sonication Perspectives

  Karimi, V., Sharma, R., Morgen, P. & Andersen, S. M., 25. Oct 2023, In: ACS Applied Materials & Interfaces. 15, 42, p. 49233–49245

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Oxygen evolution reaction 100%
  • Sonication 78%
  • Bubble 55%
  • Catalysts 44%
  • Electrodes 40%

• Recovery, Regeneration, and Reapplication of PFSA Polymer from End-of-Life PEMFC MEAs

  Sharma, R., Morgen, P., Larsen, M. J., Roda-Serrat, M. C., Lund, P. B., Grahl-Madsen, L. & Andersen, S. M., 3. Oct 2023, In: ACS Applied Materials & Interfaces. 15, 41, p. 48705-48715

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Ionomers 100%
  • Proton exchange membrane fuel cells (PEMFC) 83%
  • Ionomer 78%
  • Sulfonic Acid 74%
  • Acids 69%

• Selection on antimony-doped tin oxide (ATO) as an efficient support for iridium-based oxygen evolution reaction (OER) catalyst in acidic media

  Khan, I. A., Morgen, P., Gyergyek, S., Sharma, R. & Andersen, S. M., 15. Oct 2023, In: Materials Chemistry and Physics. 308, 11 p., 128192.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

  • Oxygen evolution reaction 100%
  • Iridium 77%
  • Antimony 76%
  • Tin oxides 72%
  • iridium 64%
  16 Downloads (Pure)
• 2022

  Insights into Degradation of the Membrane–Electrode Assembly Performance in Low-Temperature PEMFC: the Catalyst, the Ionomer, or the Interface?

  Sharma, R., Morgen, P., Chiriaev, S., Lund, P. B., Larsen, M. J., Sieborg, B., Grahl-Madsen, L. & Andersen, S. M., 9. Nov 2022, In: ACS Applied Materials & Interfaces. 14, 44, p. 49658–49671

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Ionomers 100%
  • Ionomer 78%
  • Proton exchange membrane fuel cells (PEMFC) 76%
  • Catalysts 58%
  • Degradation 48%
• 2021

  Crystalline Disorder, Surface Chemistry, and Their Effects on the Oxygen Evolution Reaction (OER) Activity of Mass-Produced Nanostructured Iridium Oxides

  Sharma, R., Karlsen, M., Morgen, P., Chamier, J., Ravnsbæk, D. B. & Andersen, S. M., Feb 2021, In: ACS Applied Energy Materials. 4, 3, p. 2552–2562

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

  • Oxygen evolution reaction 100%
  • Iridium 77%
  • Surface chemistry 68%
  • Crystalline materials 55%
  • Surface Chemistry 48%
  36 Downloads (Pure)

• Increasing fuel cell durability during prolonged and intermittent fuel starvation using supported IrO_x

  Labi, T., Van Schalkwyk, F., Andersen, S. M., Morgen, P., Ray, S. C. & Chamier, J., 1. Apr 2021, In: Journal of Power Sources. 490, 7 p., 229568.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Iridium 100%
  • Oxygen evolution reaction 86%
  • iridium 83%
  • fuel cells 78%
  • durability 73%

• Polymorphic Purity and Structural Charge-Discharge Evolution of β-LiVOPO₄Cathodes

  Jakobsen, C. L., Nielsen, K. S., Morgen, P., Bøjesen, E. D. & Ravnsbæk, D. B., 11. Nov 2021, In: Journal of Physical Chemistry C. 125, 44, p. 24301-24309

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Oxidation-Reduction 100%
  • Phosphates 87%
  • phosphates 76%
  • purity 65%
  • X ray powder diffraction 57%

• Pt/C Electrocatalyst Durability Enhancement by Inhibition of Pt Nanoparticle Growth Through Microwave Pretreatment of Carbon Support

  Sharma, R., Gyergyek, S., Chamier, J., Morgen, P. & Andersen, S. M., 12. Mar 2021, In: ChemElectroChem. 8, 6, p. 1183-1195

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

  • Electrocatalysts 100%
  • Nanoparticles 64%
  • Microwaves 57%
  • Microwave 52%
  • Durability 52%
  37 Downloads (Pure)
• 2020

  On the Electrochemical Stability of PtRu Alloy Electrodes in Aqueous Acidic Baths: A Strategy for Recycling Pt and Ru

  Sharma, R., Gyergyek, S., Morgen, P. & Andersen, S. M., 5. Feb 2020, In: Journal of The Electrochemical Society. 167, 2, 9 p., 024521.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

  • Dissolution 100%
  • Recycling 92%
  • Electrodes 72%
  • Alloy 66%
  • Behavior as Electrode 47%
  53 Downloads (Pure)

• Platinum recycling through electroless dissolution under mild conditions using a surface activation assisted Pt-complexing approach

  Sharma, R., Morgen, P. & Andersen, S. M., 17. Jun 2020, In: Physical chemistry chemical physics : PCCP. 22, 23, p. 13030-13040

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

  • recycling 100%
  • platinum 85%
  • dissolving 80%
  • Recycling 80%
  • activation 70%
  44 Downloads (Pure)
• 2019

  Inhibition of Ostwald ripening through surface switching species during potentiodynamic dissolution of platinum nanoparticles as an efficient strategy for platinum group metal (PGM) recovery

  Sharma, R., Simonsen, S. B., Morgen, P. & Andersen, S. M., 20. Oct 2019, In: Electrochimica Acta. 321, 11 p., 134662.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Ostwald ripening 100%
  • Metal recovery 90%
  • Platinum-Group Metal 76%
  • Ostwald Ripening 73%
  • Platinum Nanoparticle 68%
• 2018

  Fluoropolymer coated alanine films treated by atmospheric pressure plasmas − In comparison with gamma irradiation

  Kusano, Y., Bardenshtein, A. & Morgen, P., Mar 2018, In: Plasma Processes and Polymers. 15, 3, 10 p., 1700131.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Fluorine containing polymers 100%
  • fluoropolymers 90%
  • alanine 82%
  • Gamma-Irradiation 74%
  • Atmospheric pressure 72%
• 2017

  Growth of aluminum oxide on silicon carbide with an atomically sharp interface

  Silva, A. G., Pedersen, K., Li, Z., Hvam, J., Dhiman, R. & Morgen, P., 2017, In: Journal of Vacuum Science & Technology. A: International Journal Devoted to Vacuum, Surfaces, and Films. 35, 8 p., 01B142.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File

  • Silicon carbide 100%
  • Aluminum oxide 89%
  • Energy gap 26%
  • Oxides 19%
  • Ultrahigh vacuum 18%
  365 Downloads (Pure)

• Highly Stable Monocrystalline Silver Clusters for Plasmonic Applications

  Novikov, S. M., Popok, V. N., Evlyukhin, A. B., Hanif, M., Morgen, P., Fiutowski, J., Beermann, J., Rubahn, H. G. & Bozhevolnyi, S. I., 2017, In: Langmuir. 33, 24, p. 6062-6070

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Plasmonics 100%
  • Silver nanoparticles 98%
  • Silver 74%
  • Silver Nanoparticle 61%
  • silver 55%
• 2016

  The effect of trace amounts of copper on the microstructure, stability and oxidation of macroporous silicon carbide

  Hvam, J., Morgen, P., Skou, E. M., Wolff, T. & Warner, T. E., Nov 2016, In: European Ceramic Society. Journal. 36, 14, p. 3279-3284

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Catalyst supports 100%
  • Silicon Carbide 84%
  • Silicon carbide 81%
  • Macro Porosity 75%
  • Oxidation 66%

• The role of aluminium as an additive element in the synthesis of porous 4H-silicon carbide

  Hvam, J., Morgen, P., Skou, E. M., Nielsen, U. G., Wolff, T. & Warner, T. E., Nov 2016, In: European Ceramic Society. Journal. 36, 14, p. 3267-3278

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Porous silicon 100%
  • Argon 75%
  • Silicon carbide 72%
  • Silicon 52%
  • Aluminum 51%
• 2015

  Photoelectron spectroscopy as an in situ contact-less method for studies of MOS properties of ultra thin oxides on Si

  Silva, A. G., Pedersen, K., Li, Z. S. & Morgen, P., 30. Oct 2015, In: Applied Surface Science. 353, p. 1208-1213

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Photoelectron spectroscopy 100%
  • Valence Band 64%
  • Photoelectron Spectroscopy 58%
  • Electric Field 52%
  • Oxides 50%
• 2014

  Cellulose hydrolysis over silica modified with chlorosulfonic acid in one pot synthesis

  Hello, K. M., Hasan, H. R., Sauodi, M. H. & Morgen, P., 24. Jan 2014, In: Applied Catalysis A: General. 475, p. 226-234 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  File
  462 Downloads (Pure)

• Cellulose hydrolysis over silica modified with chlorosulphonic acid in one pot synthesis

  Hello, K. M., Hasan, H. R., Sauodi, M. H. & Morgen, P., 5. Apr 2014, In: Applied Catalysis A: General. 475, p. 226-234 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Hydrolysis 100%
  • Cellulose 90%
  • Silica 84%
  • Acids 75%
  • One Pot Reaction 74%
• 2013

  Growth of thin SiC films on Si single crystal wafers with a microwave excited plasma of methane gas

  Dhiman, R. & Morgen, P., 6. Apr 2013, In: Thin Solid Films. 536, June, p. 130-135 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Single crystals 100%
  • Thin films 81%
  • Methane 80%
  • Plasmas 79%
  • methane 79%

• Investigations on sputter deposited LiCoO2 thin films from powder target

  Kosuri, Y. R., Penki, T. R., Nookala, M., Morgen, P. & Gowravaram, M. R., 2013, In: Advanced Materials Letters. 4, 8, p. 615-620

  Research output: Contribution to journal › Journal article › Research › peer-review

• Oxygen reduction and methanol oxidation behaviour of SiC based Pt nanocatalysts for proton exchange membrane fuel cells

  Dhiman, R., Stamatin, S. N., Andersen, S. M., Morgen, P. & Skou, E. M., 16. Oct 2013, In: Journal of Materials Chemistry. 1, 48, p. 15509-15516 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  • fuel cells 100%
  • methyl alcohol 88%
  • silicon carbides 83%
  • catalysts 80%
  • oxidation 63%

• SiC nanocrystals as Pt catalyst supports for fuel cell applications

  Dhiman, R., Johnson, E., Skou, E. M., Morgen, P. & Andersen, S. M., 18. Mar 2013, In: Journal of Materials Chemistry A. 1, 19, p. 6030-6036 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Nanocrystals 100%
  • Catalyst supports 88%
  • Fuel cells 59%
  • Catalysts 56%
  • Nanocrystal 54%

• Ultrasound enhanced 50Hz plasma treatment of glass-fiber-reinforced polyester at atmospheric pressure: Journal of Adhesion Science and Technology

  Kusano, Y., Norrman, K., Singh, S. V., Leipold, F., Morgen, P., Bardenshtein, A. & Krebs, N., 2013, In: Journal of Adhesion Science and Technology. 27, 7, p. 825-833 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Atmospheric pressure 99%
  • Polyesters 93%
  • glass fibers 92%
  • Irradiation 90%
  • Glass fibers 86%
• 2012

  Surface charging, discharging and chemical modification at a sliding contact

  Singh, S. V., Kusano, Y., Morgen, P. & Michelsen, P., 2012, In: Journal of Applied Physics. 111, 8, p. 083501-1 083501-8

  Research output: Contribution to journal › Journal article › Research › peer-review

• Surface-enhanced Raman microscopy of hemispherical shells stripped from templates of anodized aluminum

  Nielsen, P., Novikov, S. M., Beermann, J., Morgen, P., Bozhevolnyi, S. I. & Albrektsen, O., 2012, In: Journal of Raman Spectroscopy. 43, 7, p. 834-841

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Plasmonics 100%
  • Raman spectroscopy 90%
  • Reflection Spectroscopy 87%
  • Nanostructures 83%
  • Rhodamine 6G 79%

• Synthesis, characterization, and wear and friction properties of variably structured SiC/Si elements made from wood by molten Si impregnation

  Dhiman, R., Rana, K., Bengu, E. & Morgen, P., 2012, In: Journal of the European Ceramic Society. 32, p. 1105-1116 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Impregnation 100%
  • Ceramic materials 98%
  • Molten materials 81%
  • Wear 77%
  • Wood 76%
• 2011

  Conversion of wooden structures into porous SiC with shape memory synthesis

  Dhiman, R., Rana, K., Morgen, P. & Petrunin, V. V., 2011, In: Ceramics International. 37, 8, p. 3281-3289

  Research output: Contribution to journal › Journal article › Research › peer-review

• Gliding arc surface treatment of glass-fiber-reinforced polyester enhanced by ultrasonic irradiation

  Kusano, Y., Norrman, K., Drews, J. M., Leipold, F., Singh, S. V., Morgen, P., Bardenshtein, A. & Krebs, N., 2011, In: Surface and Coatings Technology. 205, Supplement 2, p. S490-S494

  Research output: Contribution to journal › Journal article › Research › peer-review

• Growth of SiC nanowhiskers from wooden precursors, separation, and characterization

  Dhiman, R., Johnson, E. & Morgen, P., 2011, In: Ceramics International. 37, p. 3759-3764 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Growth of SiC Nano-Whiskers on Powdered SiC

  Dhiman, R. & Morgen, P., 2011, In: N A T O Science for Peace and Security Series. B: Physics and Biophysics. 2011, 8, p. 281-285 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Hemispherical Shell Nanostructures from Metal-Stripped Embossed Alumina on Aluminum Templates

  Nielsen, P., Albrektsen, O., Simonsen, A. C. & Morgen, P., 2011, In: Journal of Physical Chemistry Part C: Nanomaterials and Interfaces. 115, 13, p. 5552-5560 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Nanostructured Materials in Different Dimensions for Sensing Applications

  Morgen, P., Drews, J. M., Dhiman, R. & Nielsen, P., 2011, In: NATO Science for Peace and Security Series B: Physics and Biophysics . 2011, 8, p. 257-273 17 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Oxidation of the surface of a thin amorphous silicon film

  Silva, A. G., Pedersen, K., Li, Z. S. & Morgen, P., 2011, In: Thin Solid Films. 520, 2, p. 697-699 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Tuning surface plasmons in interconnected hemispherical Au shells

  Nielsen, P., Novikov, S. M., Beermann, J., Morgen, P., Bozhevolnyi, S. I. & Albrektsen, O., 2011, In: Optics Express. 20, 1, p. 534-546

  Research output: Contribution to journal › Journal article › Research › peer-review

  • hemispherical shells 100%
  • plasmons 49%
  • tuning 45%
  • surface plasmon resonance 44%
  • hemispheres 34%

• Ultrasound Enhanced Plasma Treatment of Glass-Fibre-Reinforced Polyester in Atmospheric Pressure Air for Adhesion Improvement

  Kusano, Y., Singh, S. V., Norrman, K., Leipold, F., Drews, J., Morgen, P., Bardenshtein, A. & Krebs, N., 2011, In: Journal of Adhesion. 87, 7-8, p. 720-731 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
• 2010

  Controlling Interparticle Gaps in Self-Organizing Gold nanostructures on Templates Made by a Modified Hard Anodization Technique

  Nielsen, P., Albrektsen, O., Hassing, S. & Morgen, P., 2. Apr 2010, In: Journal of Physical Chemistry C. 114, 8, p. 3459-3465 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Two-photon luminescence microscopy of large-area gold nanostructures on templates of anodized aluminum

  Nielsen, P., Beermann, J., Albrektsen, O., Hassing, S., Morgen, P. & Bozhevolnyi, S. I., 2. Aug 2010, In: Optics Express. 18, 16, p. 17040-52

  Research output: Contribution to journal › Journal article › Research › peer-review

  • templates 100%
  • gold 83%
  • luminescence 81%
  • microscopy 75%
  • aluminum 73%
• 2009

  Chemical bonding configurations at the interface of SiO₂/Si(111)

  Bahari, A., Suzban, M., Rezai, L., Rezai, M., Roodbari, M. & Morgen, P., 1. Feb 2009, In: Asian Journal of Chemistry. 21, 2, p. 1609-1615 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Silicon Dioxide 100%
  • Interface State 31%
  • Synchrotron Radiation 21%
  • Photoelectron Spectroscopy 20%
  • Liquid Film 19%

• Distinctive feature of thermally grown ultra thin silicon nitride film

  Bahari, A., Roodbari, M., Atyabi, M. & Morgen, P., 1. Mar 2009, In: Asian Journal of Chemistry. 21, 3, p. 2405-2411 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Silicon Oxide 100%
  • Nitride 78%
  • Metal Oxide 44%
  • Oxide 43%
  • Tunneling Current 41%

• Fabrication of Large-Area Self-Organizing Gold nanostructures with Sub-10 nm Gaps on a Porous Al₂O₃ Template for Application as a SERS-Substrate

  Nielsen, P., Hassing, S., Albrektsen, O., Foghmoes, S. P. V. & Morgen, P., 2009, In: The Journal of Physical Chemistry Part C. C 113, 32, p. 14165-14171 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
• 2008

  Fluorination of polymethylmethaacrylate with tetrafluoroethane using DC glow discharge plasma

  Guruvenket, S., Iyer, G. R. S., Shestakova, L., Morgen, P., Larsen, N. B. & Rao, G. M., 2008, In: Applied Surface Science. 254, 18, p. 5722-5726 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Ion etching methods for depth profiling of complex three-dimensional samples in combination with scanning Auger electron microscopy

  Morgen, P., Henriksen, B. & Kyrping, D., 2008, In: Vacuum. 82, 9, p. 922-929 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Ultra thin silicon nitride films on Si(1 0 0) studied with core level photoemission

  Bahari, A., Morgen, P. & Li, Z. S., 1. Jul 2008, In: Surface Science. 602, 13, p. 2315-2324 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
• 2007

  Ordered Au(111) layers on Si(111)

  Morgen, P., 2007, In: Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films. 25, 4, p. 908-911 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Plasma assisted growth of ultrathin nitrides on Si surfaces under ultrahigh vacuum conditions

  Morgen, P., Bahari, A., Pedersen, K. & Li, Z., 21. Nov 2007, In: Journal of Physics - Conference Series. 86, 19 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
• 2006

  Epitaxial growth of Al on Si(1 1 1) with Cu buffer layers

  Baeza, P. A., Pedersen, K., Rafaelsen, J., Pedersen, T. G., Morgen, P. & Li, Z., 1. Feb 2006, In: Surface Science. 600, 3, p. 610-616 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Buffer layers 100%
  • Epitaxial growth 98%
  • Epitaxial Growth 85%
  • Semiconductor quantum wells 65%
  • buffers 59%

• Growth of ultrathin silicon nitride films on Si (111)

  Bahari, A., Morgen, P. & Li, Z. S., 2006, In: Physical Review B. 24, 4, p. 2119-2123

  Research output: Contribution to journal › Journal article › Research › peer-review