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Records 1 to 50 of 50

1.  Mercado, C. C.; Zakutayev, A.; Zhu, K.; Flynn, C. J.; Cahoon, J. F.; Nozik, A. J. (2014). Sensitized Zinc-Cobalt-Oxide Spinel p-Type Photoelectrode. Journal of Physical Chemistry C. Vol. 118(44), 6 November 2014; pp. 25340-25349; NREL Report No. JA-5K00-63341. http://dx.doi.org/10.1021/jp508153j

2.  Zhao, Y.; Zhu, K. (2014). Optical Bleaching of Perovskite (CH3NH3)PbI3 through Room-Temperature Phase Transformation Induced by Ammonia. Chemical Communications. Vol. 50(13), 14 February 2014; pp. 1605-1607; NREL Report No. JA-5900-60741. http://dx.doi.org/10.1039/C3CC48522F

3.  Sheng, X.; He, D.; Yang, J.; Zhu, K.; Feng, X. (2014). Oriented Assembled TiO2 Hierarchical Nanowire Arrays with Fast Electron Transport Properties. Nano Letters. Vol. 14(4), 9 April 2014; pp. 1848-1852; NREL Report No. JA-5900-60395. http://dx.doi.org/10.1021/nl4046262

4.  Zhao, Y.; Nardes, A. M.; Zhu, K. (2014). Solid-State Mesostructured Perovskite CH3NH3PbI3 Solar Cells: Charge Transport, Recombination, and Diffusion Length. Journal of Physical Chemistry Letters. Vol. 5(3), 6 February 2014; pp. 490-494; NREL Report No. JA-5900-61065. http://dx.doi.org/10.1021/jz500003v

5.  Zhu, K.; Zhao, Y.; Nardes, A. (2014). Effective Hole Extraction using MoOx-Al Contact in Perovskite CH3NH3PbI3 Solar Cells. Article No. 213906. Applied Physics Letters. Vol. 104(21), 26 May 2014; 4 pp.; NREL Report No. JA-5900-61735. http://dx.doi.org/10.1063/1.4880899

6.  Liu, G. Q.; Zhu, K.; Li, T.; Xu, T. (2014). Drift Transport in Al2O3-Sheathed 3-D Transparent Conducting Oxide Photoanodes Observed in Liquid Electrolyte-Based Dye-Sensitized Solar Cells. Journal of Physical Chemistry C. Vol. 118(19), 15 May 2014; pp. 9951-9957; NREL Report No. JA-5900-61836. http://dx.doi.org/10.1021/jp502220m

7.  Zhao, Y.; Zhu, K. (2014). CH3NH3Cl-Assisted One-Step Solution Growth of CH3NH3PbI3: Structure, Charge-Carrier Dynamics, and Photovoltaic Properties of Perovskite Solar Cells. Journal of Physical Chemistry C. Vol. 118(18), 8 May 2014; pp. 9412-9418; NREL Report No. JA-5900-61215. http://dx.doi.org/10.1021/jp502696w

8.  Pan, X.; Zhu, K.; Ren, G.; Islam, N.; Warzywoda, J.; Fan, Z. (2014). Electrocatalytic Properties of a Vertically Oriented Graphene Film and its Application as a Catalytic Counter Electrode for Dye-Sensitized Solar Cells. Journal of Materials Chemistry A. Vol. 2(32), 28 August 2014; pp. 12746-12753; NREL Report No. JA-5900-62594. http://dx.doi.org/10.1039/C4TA02028F

9.  Villanueva-Cab, J.; Jang, S. R.; Halverson, A. F.; Zhu, K.; Frank, A. J. (2014). Trap-Free Transport in Ordered and Disordered TiO2 Nanostructures. Nano Letters. Vol. 14(5), 14 May 2014; pp. 2305-2309; NREL Report No. JA-5900-60140. http://dx.doi.org/10.1021/nl4046087

10.  Li, W.; Si, L.; Liu, Z.; Zhao, Z.; He, H.; Zhu, K.; Moore, B.; Cheng, Y. B. (2014). Fluorene Functionalized Porphyrins as Broadband Absorbers for TiO2 Nanocrystalline Solar Cells. Journal of Materials Chemistry A. Vol. 2(33), 7 September 2014; pp. 13667-13674; NREL Report No. JA-5900-62712. http://dx.doi.org/10.1039/C4TA01954G

11.  Miller, E. M.; Zhao, Y.; Mercado, C. C.; Saha, S. K.; Luther, J. M.; Zhu, K.; Stevanovic, V.; Perkins, C. L.; van de Lagemaat, J. (2014). Substrate-Controlled Band Positions in CH3NH3PbI3 Perovskite Films. Physical Chemistry Chemical Physics. Vol. 16(40), 28 October 2014; pp. 22122-22130; NREL Report No. JA-5900-62486. http://dx.doi.org/10.1039/C4CP03533J

12.  Si, L.; He, H.; Zhu, K. (2014). 8-Hydroxylquinoline-Conjugated Porphyrins as Broadband Light Absorbers for Dye-Sensitized Solar Cells. New Journal of Chemistry. Vol. 38(4), 1 April 2014; pp. 1565-1572; NREL Report No. JA-5900-61992. http://dx.doi.org/10.1039/C3NJ01643A

13.  Zhao, Y.; Zhu, K. (2014). Efficient Planar Perovskite Solar Cells Based on 1.8 eV Band Gap CH3NH3PbI2Br Nanosheets via Thermal Decomposition. Journal of the American Chemical Society. Vol. 136(35), 3 September 2014; pp. 12241-12244; NREL Report No. JA-5900-62340. http://dx.doi.org/10.1021/ja5071398

14.  Seabold, J. A.; Zhu, K.; Neale, N. R. (2014). Efficient Solar Photoelectrolysis by Nanoporous Mo:BiVO4 through Controlled Electron Transport. Physical Chemistry Chemical Physics. Vol. 16(3), 21 January 2014; pp. 1121-1131; NREL Report No. JA-5900-60225. http://dx.doi.org/10.1039/C3CP54356K

15.  Zhao, Y.; Zhu, K. (2014). Solution Chemistry Engineering toward High-Efficiency Perovskite Solar Cells. Journal of Physical Chemistry Letters. Vol. 5(23), 4 December 2014; pp. 4175-4186; NREL Report No. JA-5900-62837. http://dx.doi.org/10.1021/jz501983v

16.  Zhao, Y.; Zhu, K. (2013). Charge Transport and Recombination in Perovskite (CH3NH3)PbI3 Sensitized TiO2 Solar Cells. Journal of Physical Chemistry Letters. Vol. 4(17), 5 September 2013; pp. 2880-2884; NREL Report No. JA-5900-60105. http://dx.doi.org/10.1021/jz401527q

17.  Frank, A. J.; Zhu, K.; Wang, Q. (2013). Oriented Nanotube Electrodes for Lithium Ion Batteries and Supercapacitors. U.S. Patent No. 8,389,157 B2.

18.  Kang, S. H.; Neale, N. R.; Zhu, K.; Halverson, A. F.; Yan, Y.; Frank, A. J. (2013). Effect of a Metallic Ni Core on Charge Dynamics in CdS-Sensitized p-Type NiO Nanowire Mesh Photocathodes. RSC Advances. Vol. 3(32), 28 August 2013; pp. 13342-13347; NREL Report No. JA-5900-58208. http://dx.doi.org/10.1039/C3RA41216D

19.  Kim, J. H.; Zhu, K.; Kim, J. Y.; Frank, A. J. (2013). Tailoring Oriented TiO2 Nanotube Morphology for Improved Li Storage Kinetics. Electrochimica Acta. Vol. 88, 15 January 2013; pp. 123-128; NREL Report No. JA-5900-57549. http://dx.doi.org/10.1016/j.electacta.2012.10.013

20.  Kim, J. Y.; Lee, S. H.; Yan, Y.; Oh, J.; Zhu, K. (2012). Controlled Synthesis of Aligned Ni-NiO Core-Shell Nanowire Arrays on Glass Substrates as a New Supercapacitor Electrode. RSC Advances. Vol. 2(22), 28 September 2012; pp. 8281-8285; NREL Report No. JA-5200-56648. http://dx.doi.org/10.1039/C2RA20947K

21.  Zhu, K.; Jang, S. R.; Frank, A. J. (2012). Effects of Water Intrusion on the Charge-Carrier Dynamics, Performance, and Stability of Dye-Sensitized Solar Cells. Energy and Environmental Science. Vol. 5(11), November 2012; pp. 9492-9495; NREL Report No. JA-5900-55383. http://dx.doi.org/10.1039/C2EE22178K

22.  Lee, S. W.; Ahn, K. S.; Zhu, K.; Neale, N. R.; Frank, A. J. (2012). Effects of TiCl4 Treatment of Nanoporous TiO2 Films on Morphology, Light Harvesting, and Charge-Carrier Dynamics in Dye-Sensitized Solar Cells. Journal of Physical Chemistry C. Vol. 116(40), 11 October 2012; pp. 21285-21290; NREL Report No. JA-5900-56209. http://dx.doi.org/10.1021/jp3079887

23.  Feng, X.; Zhu, K.; Frank, A. J.; Grimes, C. A.; Mallouk, T. E. (2012). Rapid Charge Transport in Dye-Sensitized Solar Cells Made from Vertically Aligned Single-Crystal Rutile TiO2 Nanowires. Angewandte Chemie (International Edition). Vol. 51(11), 12 March 2012; pp. 2727-2730; NREL Report No. JA-5900-54984. http://dx.doi.org/10.1002/anie.201108076

24.  Halverson, A. F.; Zhu, K.; Erslev, P. T.; Kim, J. Y.; Neale, N. R.; Frank, A. J. (2012). Perturbation of the Electron Transport Mechanism by Proton Intercalation in Nanoporous TiO2 Films. Nano Letters. Vol. 12(4), 11 April 2012; pp. 2112-2116; NREL Report No. JA-5900-54285. http://dx.doi.org/10.1021/nl300399w

25.  Zhu, K.; Wang, Q.; Kim, J. H.; Pesaran, A. A.; Frank, A. J. (2012). Pseudocapacitive Lithium-Ion Storage in Oriented Anatase TiO2 Nanotube Arrays. Journal of Physical Chemistry C. Vol. 116(22), 7 June 2012; pp. 11895-11899; NREL Report No. JA-5900-55144. http://dx.doi.org/10.1021/jp301884x

26.  Kim, J. H.; Kang, S. H.; Zhu, K.; Kim, J. Y.; Neale, N. R.; Frank, A. J. (2011). Ni-NiO Core-Shell Inverse Opal Electrode for Supercapacitors. Chemical Communications. Vol. 47(18), 14 May 2011; pp. 5214-5216; NREL Report No. JA-5900-50930. http://dx.doi.org/10.1039/C0CC05191H

27.  Kim, J. Y.; Noh, J. H.; Zhu, K.; Halverson, A. F.; Neale, N. R.; Park, S.; Hong, K. S.; Frank, A. J. (2011). General Strategy for Fabricating Transparent TiO2 Nanotube Arrays for Dye-Sensitized Photoelectrodes: Illumination Geometry and Transport Properties. ACS Nano. Vol. 5(4), 26 April 2011; pp. 2647-2656; NREL Report No. JA-5900-50785. http://dx.doi.org/10.1021/nn200440u

28.  Kang, S. H.; Zhu, K.; Neale, N. R.; Frank, A. J. (2011). Hole Transport in Sensitized CdS-NiO Nanoparticle Photocathodes. Chemical Communications. Vol. 47(37), 7 October 2011; pp. 10419-10421; NREL Report No. JA-5900-52415. http://dx.doi.org/10.1039/c1cc13932k

29.  Zhu, K.; Jang, S. R.; Frank, A. J. (2011). Impact of High Charge-Collection Efficiencies and Dark Energy-Loss Processes on Transport, Recombination, and Photovoltaic Properties of Dye-Sensitized Solar Cells. Journal of Physical Chemistry Letters. Vol. 2(9), 5 May 2011; pp. 1070-1076; NREL Report No. JA-5200-51328. http://dx.doi.org/10.1021/jz200290c

30.  Kang, J.; Wei, S. H.; Zhu, K.; Kim, Y. H. (2011). First-Principles Theory of Electrochemical Capacitance of Nanostructured Materials: Dipole-Assisted Subsurface Intercalation of Lithium in Pseudocapacitive TiO2 Anatase Nanosheets. Journal of Physical Chemistry C. Vol. 115(11), 24 March 2011; pp. 4909-4915; NREL Report No. JA-5900-50346. http://dx.doi.org/10.1021/jp1090125

31.  Zhu, K.; Frank, A. J. (2011). Converting Light to Electrons in Oriented Nanotube Arrays used in Sensitized Solar Cells. MRS Bulletin. Vol. 36(6), 1 June 2011; pp. 446-452; NREL Report No. JA-5900-51039. http://dx.doi.org/10.1557/mrs.2011.112

32.  Kim, J. H.; Zhu, K.; Yan, Y.; Perkins, C. L.; Frank, A. J. (2011). Corrections to Microstructure and Pseudocapacitive Properties of Electrodes Constructed of Oriented NiO-TiO2 Nanotube Arrays. Nano Letters. Vol. 11(11), 9 November 2011; pg. 5098; NREL Report No. JA-5900-53557. http://dx.doi.org/10.1021/nl2035139

33.  Pan, X. A.; Chen, C. H.; Zhu, K.; Fan, Z. Y. (2011). TiO2 Nanotubes Infiltrated with Nanoparticles for Dye Sensitized Solar Cells. Article No. 235402. Nanotechnology. Vol. 22(23), 10 June 2011; 7 pp.; NREL Report No. JA-5900-51611. http://dx.doi.org/10.1088/0957-4484/22/23/235402

34.  Jang, S. R.; Zhu, K.; Jo, M. J.; Kim, K.; Kim, C.; Park, N. G.; Frank, A. J. (2011). Voltage-Enhancement Mechanisms of an Organic Dye in High Open-Circuit Voltage Solid-State Dye-Sensitized Solar Cells. ACS Nano. Vol. 5(10), 25 October 2011; pp. 8267-8274; NREL Report No. JA-5900-52727. http://dx.doi.org/10.1021/nn2029567

35.  Zhu, K.; Neale, N. R.; Halverson, A. F.; Kim, J. Y.; Frank, A. J. (2010). Effects of Annealing Temperature on the Charge-Collection and Light-Harvesting Properties of TiO2 Nanotube-Based Dye-Sensitized Solar Cells. Journal of Physical Chemistry C. Vol. 114(32), 2010; pp. 13433-13441; NREL Report No. JA-590-48693. http://dx.doi.org/10.1021/jp102137x

36.  Sarkar, S. K.; Kim, J. Y.; Goldstein, D. N.; Neale, N. R.; Zhu, K.; Elliot, C. M.; Frank, A. J.; George, S. M. (2010). In2S3 Atomic Layer Deposition and Its Application as a Sensitizer on TiO2 Nanotube Arrays for Solar Energy Conversion. Journal of Physical Chemistry C. Vol. 114(17), 2010; pp. 8032-8039; NREL Report No. JA-590-48501. http://dx.doi.org/10.1021/jp9086943

37.  Kim, J. H.; Zhu, K.; Yan, Y.; Perkins, C. L.; Frank, A. J. (2010). Microstructure and Pseudocapacitive Properties of Electrodes Constructed of Oriented NiO-TiO2 Nanotube Arrays. Nano Letters. Vol. 10(10), 2010; pp. 4099-4104; NREL Report No. JA-590-49356. http://dx.doi.org/10.1021/nl102203s

38.  Wang, Q.; Zhu, K.; Neale, N. R.; Frank. A. J. (2009). Constructing Ordered Sensitized Heterojunctions: Bottom-Up Electrochemical Synthesis of p-Type Semiconductors in Oriented n-TiO2 Nanotube Arrays. Nano Letters. Vol. 9(2), 2009; pp. 806-813; NREL Report No. JA-270-44459. http://dx.doi.org/10.1021/nl803513w

39.  van de Lagemaat, J.; Zhu, K.; Benkstein, K. D.; Frank, A. J. (2008). Temporal Evolution of the Electron Diffusion Coefficient in Electrolyte-Filled Mesoporous Nanocrystalline TiO2 Films. Inorganica Chimica Acta. Vol. 361(3), February 2008; pp. 620-626; NREL Report No. JA-270-41148. http://dx.doi.org/10.1016/j.ica.2007.03.051

40.  Zhu, K.; Vinzant, T. B.; Neale, N. R.; Frank, A. J. (2007). Removing Structural Disorder from Oriented TiO2 Nanotube Arrays: Reducing the Dimensionality of Transport and Recombination in Dye-Sensitized Solar Cells. Nano Letters. Vol. 7(12), 2007; pp. 3739-3746; NREL Report No. JA-270-42087. http://dx.doi.org/10.1021/nl072145a

41.  Zhu, K.; Neale, N. R.; Miedaner, A.; Frank, A. J. (2007). Enhanced Charge-Collection Efficiencies and Light Scattering in Dye-Sensitized Solar Cells Using Oriented TiO2 Nanotubes Arrays. Nano Letters. Vol. 7(1), 2007; pp. 69-74; NREL Report No. JA-270-40576. http://dx.doi.org/10.1021/nl062000o

42.  Yu, P.; Zhu, K.; Norman, A. G.; Ferrere, S.; Frank, A. J.; Nozik, A. J. (2006). Nanocrystalline TiO2 Solar Cells Sensitized with InAs Quantum Dots. Journal of Physical Chemistry B. Vol. 110(50), 2006; pp. 25451-25454; NREL Report No. JA-270-41466. http://dx.doi.org/10.1021/jp064817b

43.  Zhu, K.; Kopidakis, N.; Neale, N. R.; van de Lagemaat, J.; Frank, A. J. (2006). Influence of Surface Area on Charge Transport and Recombination in Dye-Sensitized TiO2 Solar Cells. Journal of Physical Chemistry B. Vol. 110(50), 2006; pp. 25174-25180; NREL Report No. JA-270-40544. http://dx.doi.org/10.1021/jp065284+

44.  Kopidakis, N.; Neale, N. R.; Zhu, K.; van de Lagemaat, J.; Frank, A. J. (2005). Spatial Location of Transport-Limiting Traps in TiO2 Nanoparticle Films in Dye-Sensitized Solar Cells. Article No. 202106. Applied Physics Letters. Vol. 87(20), 2005; 3 pp.; NREL Report No. JA-590-39640. http://dx.doi.org/10.1063/1.2130723

45.  Dinea, S.; Dylla, T.; Liang, J.; Middya, A. R.; Schiff, E. A.; Wang, W.; Zhu, K. (2003). Transport, Interfaces, and Modeling in Amorphous Silicon Based Solar Cells. NCPV and Solar Program Review Meeting Proceedings, 24-26 March 2003, Denver, Colorado (CD-ROM). NREL/CD-520-33586. Golden, CO: National Renewable Energy Laboratory 3 pp.; NREL Report No. CP-520-35718.


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46.  Schiff, E. A.; Middya, A. R.; Lyou, J.; Kopidakis, N.; Rane, S.; Rao, P.; Yuan, Q.; Zhu, K. (2002). Electroabsorption and Transport Measurements and Modeling Research in Amorphous Silicon Based Solar Cells: Final Technical Report, 24 March 1998--15 August 2002. 48 pp.; NREL Report No. SR-520-33164.

47.  Zhu, K.; Schiff, E. A.; Park, N. G.; van de Lagemaat, J.; Frank, A. J. (2002). Determining the Locus for Photocarrier Recombination in Dye-Sensitized Solar Cells. Applied Physics Letters. Vol. 80(4), 28 January 2002; pp. 685-687; NREL Report No. JA-590-32046. http://dx.doi.org/10.1063/1.1436533

48.  Zhu, K.; Schiff, E. A.; Ganguly, G. (2002). Infrared Charge-Modulation Spectroscopy of Defects in Phosphorus Doped Amorphous Silicon. Cohen, D. J., et al., eds. Amorphous and Heterogeneous Silicon-Based Films--2002: Proceedings of the Materials Research Society Symposium, 2-5 April 2002, San Francisco, California. Materials Research Society Symposium Proceedings, Vol. 715. Warrendale, PA: Materials Research Society pp. 301-306; NREL Report No. CP-520-34499.


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49.  Schiff, E. A.; Kopidakis, N.; Lyou, J.; Rane, S.; Yuan, Q.; Zhu, K. (2001). Electroabsorption and Transport Measurements and Modeling Research in Amorphous Silicon Based Solar Cells: Annual Report, 24 March 1999 - 23 March 2000. 29 pp.; NREL Report No. SR-520-29504.

50.  Zhu, K.; Lyou, J. H.; Schiff, E. A.; Crandall, R. S.; Ganguly, G.; Hegedus, S. S. (2000). Interfacial Optical Spectra in Amorphous Silicon Based pin Solar Cells. Conference Record of the Twenty-Eighth IEEE Photovoltaic Specialists Conference--2000, 15-22 September 2000, Anchorage, Alaska. Piscataway, NJ: Institute of Electrical and Electronics Engineers, Inc. pp. 725-727; NREL Report No. CP-520-30341.



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