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Department of Physics and Astronomy Collins Research Group

Publications

Google Scholar Citations

2017

  1. T. Ferron, M. Pope, B. A. Collins, “Spectral analysis for resonant soft X-ray scattering enables measurement of interfacial width in 3D organic nanostructures.” Physical Review Letters119, 167801 (2017).
  2. S. G. Urqhardt, M. Martinson, S. Eger, V. Murcia, H. Ade, B. A. Collins, “Connecting molecular conformation to aggregation in P3HT using near edge X-ray absorption fine structure spectroscopy.” The Journal of Physical Chemistry C121, 21720 (2017).
  3. F. A. Bokel, S. Engmann, A. A. Herzing, B. A. Collins, H. W. Ro, D. M. DeLongchamp, L. J. Richter, E. Schaible, A. Hexemer, “In situ X-ray scattering studies of the influence of an additive on the formation of a low-bandgap bulk heterojunction.” Chemistry of Materials29, 2283 (2017).

2016

  1. J. Rivnay, S. Inal, B. A. Collins, M. Sessolo, E. Stavrinidou, X. Strakosas, C. Tassone, D. M. Delongchamp, G. G. Malliaras, “Structural control of mixed ionic and electronic transport in conducting polymers.” Nature Communications7, 11287, (2016).

2015

  1. E. Gann, B. A. Collins, M. Tang, J. R. Tumbleston, S. Mukherjee, H. Ade, “Morphological origins of polarization-induced scattering anisotropy from organic thin films.” J. of Synchrotron Radiation, 23, 219, (2015).
  2. B. A. Collins, Y. S. Chu, L. He, D. Haskel, F. Tsui, “Structural and chemical ordering of Heusler Co_xMn_yGe_z epitaxial film son Ge(111) – quantitative study using traditional and anomalous x-ray diffraction techniques.” Phys. Rev. B92, 224108 (2015).

2014

  1. B. A. Collins, F. A. Bockel, D. M. Delongchamp, “Organic Photovoltaic Morphology” in Organic Photovoltaic Devices, Christoph Brabec Ed., STM-Books (Wiley) 2014.
  2. S. Roland, M. Schubert, B. A. Collins, J. Kurpiers, Z. H. Chen, A. Facchetti, H. Ade, D. Neher, “Fullerene-free polymer solar cells with highly reduced bimolecular recombination and field-independent charge carrier generation.”, J. Phys. Chem. Lett. 5, 2815, (2014).
  3. M. Schubert, B. A. Collins, H. Mangold, I. A. Howard, W. Schindler, K. Vandewal, S. Rloand, J. Behrends, F. Kraffert, R. Steyrleuthner, Z. Chen, K Fostiropouulos, R. Bittl, A. Salleo, A. Facchetti, F. Laquai, H. Ade, D. Neher, “Correlated Donor/Acceptor Crystal Orientation and Fast Charge-Transfer State Recombination Controls Photocurrent Generation in All-Polymer Solar Cells.” Adv. Func. Mater. 24, 4068 (2014).
  4. R. Steyrleuthner, R. Di Pietro, B. A. Collins, F. Polzer, S. Himmelberger, H. Kirmse, M. Schubert, Z. Chen, A. Salleo, H. Ade, A. Facchetti and D. Neher, “The role of regioregularity and crystallinity on electron transport anisotropy in a high mobility n-type copolymer.”  J. Am. Chem. Soc. 136, 4245 (2014).
  5. J. R. Tumbleston, B. A. Collins, L. Yang, A. C. Stuart, E. Gann, W. Ma, W. You, H. Ade, “The influence of molecular orientation on organic bulk heterojunction solar cells.” Nature Photonics, 8, 385 (2014).

 

2013

  1. J. R. Tumbleston, A. D. Gadisa, Y. Liu, B. A. Collins, E. T. Samulski, R. Lopez, H. Ade, “Modifications in morphology resulting from nanoimprinting bulk heterojunction blends for light trapping organic solar cell designs.” ACS Applied Materials and Interfaces, 5, 8225 (2013).
  2. J. A. Bartelt, Z. M. Beiley, E. T. Hoke, W. R. Mateker, J. D. Douglas, B. A. Collins, J. R. Tumbleston, K. R. Graham, A. Amassian, H. Ade, J. M. J. Fréchet, M. F. Toney, M. D. McGehee “The importance of fullerene percolation in the mixed regions of polymer-fullerene bulk heterojunction solar cells.” Adv. Energy Mater. 3, 364 (2013).
  3. J. E. Cochran, E. Amir, K. Sivanandan, S.-Y., Ku, J. H. Seo, B. A. Collins, J. R. Tumbleston, M. F. Toney, H. Ade, C. J. Hawker, M. L. Chabinyc “Synthesis, solid-state, and charge-transport properties of conjugated polythiophene-S,S-dioxides.” J. Poly. Sci. B, 51, 48 (2013).
  4. B. A. Collins, Z. Li, J. R. Tumbleston, E. Gann, C. R. McNeill, H. Ade, “Absolute measurement of domain composition and nanoscale size distribution explains performance in PTB7:PC71BM solar cells.” Adv. Energy Mater., 3, 65, (2013). – Feature Article.

 

2012

  1. B. A. Collins, H. Ade, “Quantitative compositional analysis of organic thin films using transmission NEXAFS spectroscopy in an x-ray microscope.” J. Electron Spectrosc., 85, 119 (2012).
  2. E. Gann, A. Young, B. A. Collins, H. Yan, J. Nasiatka, H. A. Padmore, H. Ade, A. Hexemer, C. Wang, “Soft x-ray scattering facility at the Advanced Light Source with real-time data processing and analysis.” Rev. Sci. Instrum., 83, 045110 (2012).
  3. B. A. Collins, J. Cochran, H. Yan, E. Gann, C. Hub, R. Fink, C. Wang, T. Schuettfort, C. R. McNeill, M. L. Chabinyc, H. Ade, “Polarized x-ray scattering reveals noncrystalline orientational ordering in organic films.” Nature Materials, 11, 536 (2012). [Selected for Nature Materials “News and Views”]
  4. X. He, B. A. Collins, B. Watts, H. Ade, C. R. McNeill, “Studying polymer/fullerene interdiffusion and miscibility in laterally-patterned films with x-ray spectromiscroscopy.” Small, 8, 1920 (2012).
  5. H. Yan, B. A. Collins, E. Gann, C. Wang, H. Ade, C. R. McNeill, “Correlating the efficiency and nanomorphology of polymer blend solar cells utilizing resonant soft x-ray scattering.” ACS Nano, 6, 677 (2012).

 

Previous

  1. Invited: B. A. Collins, J. R. Tumbleston, H. Ade, “Miscibility, crystallinity, and phase development in P3HT:PCBM solar cells: Towards an enlightened understanding of device morphology and stability.” J. Phys. Chem. Lett., 2, 3135 (2011).
  2. B. A. Collins, L. Zhe,C. R. McNeill, H, Ade, “Fullerene-dependent miscibility in the silole-containing copolymer PSBTBT- 08.” Macromolecules, 44, 9747 (2011).
  3. L. He, B. A. Collins, F. Tsui, Y. S. Chu, “Epitaxial growth of Co(x)Mn(y)Si(z) (111) thin films in the compositional range around the Heusler alloy Co(2)MnSi.” J. Vac. Sci. Technol. B 29, 03C124 (2011). – Feature Article.
  4. B. A. Collins, E. Gann , L. Guignard,  X. He, C. R. McNeill, H. Ade, “Molecular Miscibility of Polymer-Fullerene Blends.” J. Phys. Chem. Lett. 1, 3160 (2010).