Publications
2015
Measurement of small molecular dopant F4TCNQ and C60F36 diffusion in organic bilayer architectures Journal Article
In: ACS applied materials & interfaces, vol. 7, no. 51, pp. 28420–28428, 2015.
2014
Molecular dynamics study of the local structure of photovoltaic polymer PCDTBT Journal Article
In: Journal of Chemical & Engineering Data, vol. 59, no. 10, pp. 2982–2986, 2014.
Material profile influences in bulk-heterojunctions Journal Article
In: Journal of Polymer Science Part B: Polymer Physics, vol. 52, no. 19, pp. 1291–1300, 2014.
Effect of fractal silver electrodes on charge collection and light distribution in semiconducting organic polymer films Journal Article
In: Journal of Materials Chemistry A, vol. 2, no. 39, pp. 16608–16616, 2014.
High work-function hole transport layers by self-assembly using a fluorinated additive Journal Article
In: Journal of Materials Chemistry C, vol. 2, no. 1, pp. 115–123, 2014.
P3HT: PCBM bulk-heterojunctions: observing interfacial and charge transfer states with surface photovoltage spectroscopy Journal Article
In: The Journal of Physical Chemistry C, vol. 118, no. 27, pp. 14723–14731, 2014.
2013
Correlating dilute solvent interactions to morphology and OPV device performance Journal Article
In: Organic Electronics, vol. 14, no. 10, pp. 2431–2443, 2013.
Photochemical charge separation in poly (3-hexylthiophene)(P3HT) films observed with surface photovoltage spectroscopy Journal Article
In: The Journal of Physical Chemistry C, vol. 117, no. 51, pp. 26905–26913, 2013.
Quantifying organic solar cell morphology: a computational study of three-dimensional maps Journal Article
In: Energy & Environmental Science, vol. 6, no. 10, pp. 3060–3070, 2013.
Packing dependent electronic coupling in single poly (3-hexylthiophene) H-and J-aggregate nanofibers Journal Article
In: The Journal of Physical Chemistry B, vol. 117, no. 16, pp. 4478–4487, 2013.
Self-Assembly of Selective Interfaces in Organic Photovoltaics Journal Article
In: Advanced Functional Materials, vol. 23, no. 15, pp. 1935–1946, 2013.
Three-Dimensional Concentration Mapping of Organic Blends Journal Article
In: Advanced Functional Materials, vol. 23, no. 17, pp. 2115–2122, 2013.
The effect of 2, 3, 5, 6-tetrafluoro-7, 7, 8, 8-tetracyanoquinodimethane charge transfer dopants on the conformation and aggregation of poly (3-hexylthiophene) Journal Article
In: Journal of Materials Chemistry C, vol. 1, no. 36, pp. 5638–5646, 2013.
2012
Final Closeout report for grant FG36-08GO18018, titled: Functional Multi-Layer Solution Processable Polymer Solar Cells Technical Report
UC Davis 2012.
Quantum motion of charges in $$backslash$pi $-conjugated polymers: kinkiness induces localization Journal Article
In: arXiv preprint arXiv:1206.2868, 2012.
Multi-scale modeling of bulk heterojunctions for organic photovoltaic applications Journal Article
In: Third generation photovoltaics, 2012.
Calcium niobate nanosheets as a novel electron transport material for solution-processed multi-junction polymer solar cells Journal Article
In: Journal of Materials Chemistry, vol. 22, no. 38, pp. 20443–20450, 2012.
Directional dependence of electron blocking in PEDOT: PSS Journal Article
In: Organic Electronics, vol. 13, no. 11, pp. 2747–2756, 2012.
Investigating the morphology of polymer/fullerene layers coated using orthogonal solvents Journal Article
In: The Journal of Physical Chemistry C, vol. 116, no. 13, pp. 7287–7292, 2012.
Controlling microstructure in poly (3-hexylthiophene) nanofibers Journal Article
In: Journal of Materials Chemistry, vol. 22, no. 6, pp. 2498–2506, 2012.
Hybrid solar cells: basic principles and the role of ligands Journal Article
In: Journal of Materials Chemistry, vol. 22, no. 6, pp. 2351–2368, 2012.
J-aggregate behavior in poly-3-hexylthiophene nanofibers Journal Article
In: The Journal of Physical Chemistry Letters, vol. 3, no. 2, pp. 259–263, 2012.
2011
Systematic Multiscale Modeling of Polymers Proceedings Article
In: APS March Meeting Abstracts, pp. J41–002, 2011.
Acceptor dependent polaron recombination dynamics in poly 3-hexyl thiophene: Fullerene composite films Journal Article
In: Chemical Physics Letters, vol. 513, no. 1-3, pp. 77–83, 2011.
Characterization of new transparent organic electrode materials Journal Article
In: Organic Electronics, vol. 12, no. 11, pp. 1948–1956, 2011.
Characterization of polymer--fullerene mixtures for organic photovoltaics by systematically coarse-grained molecular simulations Journal Article
In: Fluid Phase Equilibria, vol. 302, no. 1-2, pp. 21–25, 2011.
The consequences of interface mixing on organic photovoltaic device characteristics Journal Article
In: Advanced Functional Materials, vol. 21, no. 9, pp. 1657–1665, 2011.
Excited-state self-trapping and ground-state relaxation dynamics in poly (3-hexylthiophene) resolved with broadband pump--dump--probe spectroscopy Journal Article
In: The Journal of Physical Chemistry Letters, vol. 2, no. 21, pp. 2764–2769, 2011.
Effect of trace solvent on the morphology of P3HT: PCBM bulk heterojunction solar cells Journal Article
In: Advanced Functional Materials, vol. 21, no. 10, pp. 1779–1787, 2011.
2010
Structure Study of Solution Formed Poly (3-hexylthiophene) Nanofibers Journal Article
In: Microscopy and Microanalysis, vol. 16, no. S2, pp. 1362–1363, 2010.
Power from plastic Journal Article
In: Current Opinion in Solid State and Materials Science, vol. 14, no. 6, pp. 123–130, 2010.
Coarse-grained computer simulations of polymer/fullerene bulk heterojunctions for organic photovoltaic applications Journal Article
In: Journal of Chemical Theory and Computation, vol. 6, no. 2, pp. 526–537, 2010.
2009
Optical description of solid-state dye-sensitized solar cells. II. Device optical modeling with implications for improving efficiency Journal Article
In: Journal of Applied Physics, vol. 106, no. 7, pp. 073112, 2009.
Optical description of solid-state dye-sensitized solar cells. I. Measurement of layer optical properties Journal Article
In: Journal of Applied Physics, vol. 106, no. 7, pp. 073111, 2009.
An optical spacer is no panacea for light collection in organic solar cells Journal Article
In: Applied Physics Letters, vol. 94, no. 4, pp. 21, 2009.
Morphology Control in Solution-Processed Bulk-Heterojunction Solar Cell Mixtures Journal Article
In: Advanced Functional Materials, vol. 19, no. 19, pp. 3028–3036, 2009.
2008
Effect of polymer nanoparticle formation on the efficiency of polythiophene based “bulk-heterojunction” solar cells Journal Article
In: The Journal of Physical Chemistry C, vol. 112, no. 33, pp. 12583–12589, 2008.
Controlling morphology in polymer--fullerene mixtures Journal Article
In: Advanced Materials, vol. 20, no. 2, pp. 240–245, 2008.
Two novel cyclopentadithiophene-based alternating copolymers as potential donor components for high-efficiency bulk-heterojunction-type solar cells Journal Article
In: Chemistry of Materials, vol. 20, no. 12, pp. 4045–4050, 2008.
2007
Interference method for the determination of the complex refractive index of thin polymer layers Journal Article
In: Applied Physics Letters, vol. 91, no. 6, pp. 061901, 2007.
Efficiency enhancements in solid-state hybrid solar cells via reduced charge recombination and increased light capture Journal Article
In: Nano Letters, vol. 7, no. 11, pp. 3372–3376, 2007.
2006
The effect of active layer thickness and composition on the performance of bulk-heterojunction solar cells Journal Article
In: Journal of applied physics, vol. 100, no. 9, pp. 094503, 2006.
2005
Detailed study of the decay mechanism in polymeric OLEDs Proceedings Article
In: Organic Light-Emitting Materials and Devices IX, pp. 593713, International Society for Optics and Photonics 2005.
The effect of active layer thickness on the efficiency of polymer solar cells Proceedings Article
In: Organic Photovoltaics VI, pp. 593808, International Society for Optics and Photonics 2005.
2004
High-resolution NMR of static samples by rotation of the magnetic field Journal Article
In: Journal of Magnetic Resonance, vol. 169, no. 1, pp. 13–18, 2004.
2003
Ex-situ and remote detection nuclear magnetic resonance Book
University of California, Berkeley, 2003.
Amplification of xenon NMR and MRI by remote detection Journal Article
In: Proceedings of the National Academy of Sciences, vol. 100, no. 16, pp. 9122–9127, 2003.
2002
Two-dimensional high-resolution NMR spectra in matched B0 and B1 field gradients Journal Article
In: Journal of Magnetic Resonance, vol. 156, no. 1, pp. 146–151, 2002.
Variable rotation composite pulses for high resolution nuclear magnetic resonance using inhomogeneous magnetic and radiofrequency fields Journal Article
In: Chemical physics letters, vol. 363, no. 1-2, pp. 25–33, 2002.
Laser-polarized 129Xe NMR and MRI at ultralow magnetic fields Journal Article
In: Journal of Magnetic Resonance, vol. 157, no. 2, pp. 235–241, 2002.