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• 2020

  Influence of the Processing Environment on the Surface Composition and Electronic Structure of Size-Quantized CdSe Quantum Dots

  Shallcross, R. C., Graham, A. L., Karayilan, M., Pavlopoulous, N. G., Meise, J., Pyun, J. & Armstrong, N. R., Oct 1 2020, In: Journal of Physical Chemistry C. 124, 39, p. 21305-21318 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Electronic structure
  • Semiconductor quantum dots
  • Surface structure
  • quantum dots
  • electronic structure

• Overcoming Redox Reactions at Perovskite-Nickel Oxide Interfaces to Boost Voltages in Perovskite Solar Cells

  Boyd, C. C., Shallcross, R. C., Moot, T., Kerner, R., Bertoluzzi, L., Onno, A., Kavadiya, S., Chosy, C., Wolf, E. J., Werner, J., Raiford, J. A., de Paula, C., Palmstrom, A. F., Yu, Z. J., Berry, J. J., Bent, S. F., Holman, Z. C., Luther, J. M., Ratcliff, E. L., Armstrong, N. R. & 1 others, McGehee, M. D., Aug 19 2020, In: Joule. 4, 8, p. 1759-1775 17 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Perovskite solar cells
  • Redox reactions
  • Perovskite
  • Electric potential
  • Positive ions
  7 Scopus citations
• 2019

  Impact of Titanium Dioxide Surface Defects on the Interfacial Composition and Energetics of Evaporated Perovskite Active Layers

  Shallcross, R. C., Olthof, S., Meerholz, K. & Armstrong, N. R., Sep 4 2019, In: ACS Applied Materials and Interfaces. 11, 35, p. 32500-32508 9 p.

  Research output: Contribution to journal › Article › peer-review

  • perovskite
  • methylamine
  • Perovskite
  • titanium dioxide
  • Titanium dioxide
  7 Scopus citations

• Zinc Phthalocyanine-Phosphonic Acid Monolayers on ITO: Influence of Molecular Orientation, Aggregation, and Tunneling Distance on Charge-Transfer Kinetics

  Oquendo, L. E., Ehamparam, R., Armstrong, N. R., Saavedra, S. S. & McGrath, D. V., Mar 28 2019, In: Journal of Physical Chemistry C. 123, 12, p. 6970-6980 11 p.

  Research output: Contribution to journal › Article › peer-review

  • indium tin oxide
  • Zn(II)-phthalocyanine
  • Chromophores
  • phosphonic acid
  • Molecular orientation
  1 Scopus citations
• 2017

  Axially Bound Ruthenium Phthalocyanine Monolayers on Indium Tin Oxide: Structure, Energetics, and Charge Transfer Properties

  Ehamparam, R., Oquendo, L. E., Liao, M. W., Brynnel, A. K., Ou, K. L., Armstrong, N. R., Mcgrath, D. V. & Saavedra, S. S., Aug 30 2017, In: ACS Applied Materials and Interfaces. 9, 34, p. 29213-29223 11 p.

  Research output: Contribution to journal › Article › peer-review

  • indium tin oxide
  • Ruthenium
  • Tin oxides
  • Monolayers
  • Indium
  6 Scopus citations

• Critical Interface States Controlling Rectification of Ultrathin NiO-ZnO p-n Heterojunctions

  Steirer, K. X., Ou, K. L., Armstrong, N. R. & Ratcliff, E. L., Sep 13 2017, In: ACS Applied Materials and Interfaces. 9, 36, p. 31111-31118 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Interface states
  • Heterojunctions
  • Oxides
  • Acids
  • Dissimilar materials
  8 Scopus citations

• Determining Band-Edge Energies and Morphology-Dependent Stability of Formamidinium Lead Perovskite Films Using Spectroelectrochemistry and Photoelectron Spectroscopy

  Shallcross, R. C., Zheng, Y., Saavedra, S. S. & Armstrong, N. R., Apr 5 2017, In: Journal of the American Chemical Society. 139, 13, p. 4866-4878 13 p.

  Research output: Contribution to journal › Article › peer-review

  • Spectroelectrochemistry
  • formamidine
  • perovskite
  • Photoelectron spectroscopy
  • Photoelectron Spectroscopy
  25 Scopus citations

• Liquid-crystal approaches to organic photovoltaics

  Kippelen, B., Yoo, S., Haddock, J. A., Domercq, B., Barlow, S., Minch, B., Xia, W., Marder, S. R. & Armstrong, N. R., Jan 1 2017, Organic Photovoltaics: Mechanisms, Materials, and Devices. CRC Press, p. 271-298 28 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  • solar cell
  • Liquid crystals
  • Semiconducting liquids
  • Solar cells
  • Crystalline materials
  1 Scopus citations

• Spectroelectrochemistry of monolayer and submonolayer films using an electroactive integrated optical waveguide

  Dunphy, D., Mendes, S., Saavedra, S. S. & Armstrong, N. R., Jan 1 2017, Interfacial Electrochemistry: Theory: Experiment, and Applications. CRC Press, p. 513-525 13 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• 2016

  Characterization of ZnO Interlayers for Organic Solar Cells: Correlation of Electrochemical Properties with Thin-Film Morphology and Device Performance

  Ou, K. L., Ehamparam, R., Macdonald, G., Stubhan, T., Wu, X., Shallcross, R. C., Richards, R. E., Brabec, C. J., Saavedra, S. S. & Armstrong, N. R., Aug 3 2016, In: ACS Applied Materials and Interfaces. 8, 30, p. 19787-19798 12 p.

  Research output: Contribution to journal › Article › peer-review

  • indium tin oxide
  • Organic solar cells
  • Electrochemical properties
  • Tin oxides
  • Indium
  15 Scopus citations

• Introduction: Electronic Materials

  Ratcliff, E. L., Shallcross, R. C. & Armstrong, N. R., Nov 9 2016, In: Chemical Reviews. 116, 21, p. 12821-12822 2 p.

  Research output: Contribution to journal › Editorial › peer-review

• Overcoming Electrode-Induced Losses in Organic Solar Cells by Tailoring a Quasi-Ohmic Contact to Fullerenes via Solution-Processed Alkali Hydroxide Layers

  Zhang, H., Shallcross, R. C., Li, N., Stubhan, T., Hou, Y., Chen, W., Ameri, T., Turbiez, M., Armstrong, N. R. & Brabec, C. J., May 11 2016, In: Advanced Energy Materials. 6, 9, 1502195.

  Research output: Contribution to journal › Article › peer-review

  • Organic solar cells
  • Fullerenes
  • Ohmic contacts
  • Zinc Oxide
  • Zinc oxide
  26 Scopus citations

• Phosphonic Acids for Interfacial Engineering of Transparent Conductive Oxides

  Paniagua, S. A., Giordano, A. J., Smith, ON. L., Barlow, S., Li, H., Armstrong, N. R., Pemberton, J. E., Brédas, J. L., Ginger, D. & Marder, S. R., Jun 22 2016, In: Chemical Reviews. 116, 12, p. 7117-7158 42 p.

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

  • Phosphorous Acids
  • Transparent conducting oxides
  • Oxides
  • Organic semiconductor materials
  • Monolayers
  92 Scopus citations

• Surface modification of indium-tin oxide with functionalized perylene diimides: Characterization of orientation, electron-transfer kinetics and electronic structure

  Zheng, Y., Giordano, A. J., Shallcross, R. C., Fleming, S. R., Barlow, S., Armstrong, N. R., Marder, S. R. & Saavedra, S. S., Sep 15 2016, In: Journal of Physical Chemistry C. 120, 36, p. 20040-20048 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Perylene
  • indium tin oxide
  • Electronic structure
  • Tin oxides
  • phosphonic acid
  23 Scopus citations