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Department of Physics and Astronomy Collins Research Group

Publications

 Google Scholar Citations

2018

  1. “Probing the Pathways of Free Charge Generation in Organic Bulk Heterojunction Solar Cells.” J. Kurpiers, T. Ferron, S. Roland, M. Jakoby, T. Thiede, F. Jaiser, S. Albrecht, S. Janietz, B. A. Collins, I. Howard, and D. Neher , Nature Communications 2018 DOI:10.1038/s41467-018-04386-3.
  2. “Mixed domains enhance charge generation and extraction in bulk-heterojunction solar cells with small-molecule donors.” O. Alqahtani, M. Babics, J. Gorenflot, V. Savikhin, T. Ferron, A. H. Balawi, A. Paulke, Z. Kan, M. Pope, A. J. Clulow, J. Wolf, P. L. Burn, I. R. Gentle, D. Neher, M. F. Toney, F. Laquai, P. M. Beaujuge, B. A. Collins, Advanced Energy Materials, 2018 DOI:10.1002/aenm.201702941.
  3. “Quantitative relations between interaction parameter, miscibility, and function in organic solar cells.” L. Ye, H. Hu, M. Ghasemi, T. Wang, B. A. Collins, J. Kim, K. Jiang, J. Carpenter, H. Li, Z. Li, T. McAfee, J. Zhao, X. Chen, J. Lai, T. Ma, J. Bredas, H. Yan, H. Ade, Nature Materials, 17, 253 (2018).
  4. “Miscibility-function relations in organic solar cells: Significance of optimal miscibility in relation to percolation.” L. Ye, B. A. Collins, X. Jiao, J. Zhao, H. Yan, H. Ade,  Advanced Energy Materials, 2018 DOI:10.1002/aenm.201703058.

2017

  1. “Spectral analysis for resonant soft X-ray scattering enables measurement of interfacial width in 3D organic nanostructures.” T. Ferron, M. Pope, B. A. Collins,  Physical Review Letters, 119, 167801 (2017).
  2. “Connecting molecular conformation to aggregation in P3HT using near edge X-ray absorption fine structure spectroscopy.” S. G. Urqhardt, M. Martinson, S. Eger, V. Murcia, H. Ade, B. A. Collins,  The Journal of Physical Chemistry C, 121, 21720 (2017).
  3. “In situ X-ray scattering studies of the influence of an additive on the formation of a low-bandgap bulk heterojunction.” F. A. Bokel, S. Engmann, A. A. Herzing, B. A. Collins, H. W. Ro, D. M. DeLongchamp, L. J. Richter, E. Schaible, A. Hexemer,  Chemistry of Materials, 29, 2283 (2017).

2016

  1. “Structural control of mixed ionic and electronic transport in conducting polymers.” J. Rivnay, S. Inal, B. A. Collins, M. Sessolo, E. Stavrinidou, X. Strakosas, C. Tassone, D. M. Delongchamp, G. G. Malliaras,  Nature Communications, 7, 11287, (2016).

2015

  1. “Morphological origins of polarization-induced scattering anisotropy from organic thin films.” E. Gann, B. A. Collins, M. Tang, J. R. Tumbleston, S. Mukherjee, H. Ade,  Journal of Synchrotron Radiation, 23, 219, (2015).
  2. “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.” B. A. Collins, Y. S. Chu, L. He, D. Haskel, F. Tsui,  Physical Review B, 92, 224108 (2015).

2014

  1. Chapter: “Organic Photovoltaic Morphology” B. A. Collins, F. A. Bockel, D. M. Delongchamp, in Organic Photovoltaic Devices, Christoph Brabec Ed., STM-Books (Wiley) 2014.
  2. “Fullerene-free polymer solar cells with highly reduced bimolecular recombination and field-independent charge carrier generation.” S. Roland, M. Schubert, B. A. Collins, J. Kurpiers, Z. H. Chen, A. Facchetti, H. Ade, D. Neher, Journal of Physical Chemistry Letters 5, 2815, (2014).
  3. “Correlated Donor/Acceptor Crystal Orientation and Fast Charge-Transfer State Recombination Controls Photocurrent Generation in All-Polymer Solar Cells.” 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,  Advanced Functional Materials 24, 4068 (2014).
  4. “The role of regioregularity and crystallinity on electron transport anisotropy in a high mobility n-type copolymer.” 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,   Journal of the American Chemical Society 136, 4245 (2014).
  5. “The influence of molecular orientation on organic bulk heterojunction solar cells.” J. R. Tumbleston, B. A. Collins, L. Yang, A. C. Stuart, E. Gann, W. Ma, W. You, H. Ade,  Nature Photonics, 8, 385 (2014).

 

2013

  1. “Modifications in morphology resulting from nanoimprinting bulk heterojunction blends for light trapping organic solar cell designs.” J. R. Tumbleston, A. D. Gadisa, Y. Liu, B. A. Collins, E. T. Samulski, R. Lopez, H. Ade,  ACS Applied Materials and Interfaces 5, 8225 (2013).
  2. “The importance of fullerene percolation in the mixed regions of polymer-fullerene bulk heterojunction solar cells.” 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  Advanced Energy Materials 3, 364 (2013).
  3. “Synthesis, solid-state, and charge-transport properties of conjugated polythiophene-S,S-dioxides.” 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  Journal of Polymer Science B 51, 48 (2013).
  4. “Absolute measurement of domain composition and nanoscale size distribution explains performance in PTB7:PC71BM solar cells.”
  5.  B. A. Collins, Z. Li, J. R. Tumbleston, E. Gann, C. R. McNeill, H. Ade,  Advanced Energy Materials 3, 65, (2013). – Feature Article.

 

2012

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

 

Previous

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