1. Xi Chen, C. Zhang, F. Yang, G.-F. Liang, Q.-C. Li and L. J. Guo, “Plasmonic Lithography Utilizing Epsilon Near Zero Hyperbolic Metamaterial,” ACS Nano, 11 (10), 9863–9868, (2017); DOI: 10.1021/acsnano.7b03584

  2. L. Wan, H. Chandrahalim, C. Chen, Q. Chen, T. Mei, Y. Oki, N. Nishimura, L. J. Guo, X. Fan, “On-chip, high-sensitivity temperature sensors based on dye-doped solid-state polymer microring lasers,”  Appl. Phys. Lett. 111, 061109 (2017); DOI: 10.1063/1.4986825

  3. X. D. Liu, L. J. Guo, Y. Zheng, “5-nm LiF as an Efficient Cathode Buffer Layer in Polymer Solar Cells Through Simply Introducing a C60 Interlayer,” Nanoscale Research Letters 12, 543 (2017) DOI 10.1186/s11671-017-2299-y

  4. G. F. Liang, X. Chen, Q. Zhao, L. J. Guo, “Achieving pattern uniformity in plasmonic lithography by spatial frequency selection,” Nanophotonics, 2017, DOI:10.1515/nanoph-2017-0028

  5. T.H. Lee, W. Luo, Q.-C. Li, H. Demirci, and L. J. Guo, “Laser-Induced Focused Ultrasound for Cavitation Treatment: Toward High-Precision Invisible Sonic Scalpel,” Small, in press, 2017. DOI: 10.1002/smll.201701555.

  6. C. Zhang, N. Kinsey, L. Chen, C.-G. Ji, M. Xu, M. Ferrera, X.Q. Pan, V. M. Shalaev, A. Boltasseva and L. J. Guo, “High-performance Doped Silver Films: Overcoming Fundamental Material Limits for Nanophotonic Applications,” Adv. Mater. 29(19), 1605177, 2017. DOI: 10.1002/adma.201605177 (reported by Science Daily, Popular Science, Phys.Org, Eurekalert, etc)

  7. M. Chen, Y. Wang, N. Shepherd, C. Huard, J. Zhou, L. J. Guo, W. Lu, X. G. Liang, “Abnormal Multiple Charge Memory States in Exfoliated Few-Layer WSe2 Transistors,” ACS Nano, 11 (1), 1091–1102, 2017. DOI: 10.1021/acsnano.6b08156

  8. C. G. Ji, G. Zhu, C. Zhang, S. Nam, Q. Li, L. Xia, W. Zhang, D. Banerjee, L. J. Guo, “Lenticular-Lens-Based Colored Antiglare Dashboard Surfaces,” Advanced Materials Technologies, 2(1), 1600177, 2017, DOI: 10.1002/admt.201600177

  9. T. H. Lee, L. J. Guo, “Highly Efficient Photoacoustic Conversion by Facilitated Heat Transfer in Ultrathin Metal Film Sandwiched by Polymer Layers", Adv. Opt. Mater. 5(2), 1600421, 2017, DOI: 10.1002/adom.201600421



  1. K. T. Lee, J.-Y. Jang, S. J Park, C. Ji, L. J. Guo, H. J. Park, “Subwavelength Nanocavity for Flexible Structural Transmissive Color Generation with Wide Viewing Angle,” Optica, 2016

  2. T.-H. Jang, C. Zhang, H.–S. Youn, J. Zhou, and L. J. Guo,Transparent and Flexible Mechanically Reconfigurable Electrically Small Antennas Based on Tortuous Metallic Micromesh,” IEEE Antenna and Propagation, 2016, 10.1109/TAP.2016.2623479

  3. K.T. Lee, J.-Y. Jang, S. J. Park. C. G. Ji, S.-M. Yang, L. J. Guo, H. J. Park, “Nanoimprint Lithography: Angle-Insensitive and CMOS-Compatible Subwavelength Color Printing,” Adv. Opt. Mater. 4(11):1695-1695, 2016, DOI: 10.1002/adom.201670062

  4. C. Y. Yang, W. Shen, J. Zhou, X. Fang, D. Zhao, X. Zhang, C. G. Ji, B. Fang, Y. Zhang, X. Liu, L. J. Guo, “Angle Robust Reflection/Transmission Plasmonic Filters Using Ultrathin Metal Patch Array,” Adv. Opt. Mater. 2016. 10.1002/adom.201600397

  5. T. Feng, Q. Li, C. Zhang, G. Xu, L. J. Guo, J. Yuan, X. Wang, “Characterizing Cellular Morphology by Photoacoustic Spectrum Analysis with an Ultra-broadband Optical Ultrasonic Detector,” Opt. Exp. 24(17), 19853-19862 (2016) https://doi.org/10.1364/OE.24.019853

  6. B. Bari, J.-H. Lee, T. Jang, P. Won, S. H. Ko, K. Alamgir, M. Arshad and L. J. Guo, “Simple hydrothermal synthesis of very-long and thin silver nanowires and their application in high quality transparent electrodes,” J. Mater. Chem. A, 4, 11365-11371 (2016), DOI: 10.1039/c6ta03308c

  7. C. Zhang, Carl Pfeiffer; Taehee Jang; Vishva Ray; Maxwell Junda; Prakash Uprety; Nikolas Podraza; Anthony Grbic; L. Jay Guo. “Breaking Malus' Law: Highly Efficient, Broadband, and Angular Robust Asymmetric Light Transmitting Metasurface", Laser & Photonics Reviews, 10(5), 791–798 (2016); 10.1002/lpor.201500328

  8. C. Pfeiffer, C. Zhang, V. Ray, L. J. Guo, A. Grbic, “Polarization rotation with ultra-thin bianisotropic metasurfaces,” Optica 3(4), 427-432, (2016), DOI: 10.1364/OPTICA.3.000427

  9. J.-H. Seo, T. Ling, S. Q. Gong, W. D. Zhou, A. L. Ma, L. J. Guo & Z.-Q. Ma, “Fast Flexible Thin-Film Transistors with a Nanotrench Structure,” Sci. Reports. 6, 24771, 2016.

  10. C. Zhang, et al, “Printed Photonic Elements: Nanoimprinting and Beyond,” J. Materials Chemistry C, 2016, DOI: 10.1039/C6TC01237J

  11. K.T. Lee, J. Y. Lee, T. Xu, H. J. Park, L. J. Guo, “Colored dual-functional photovoltaic cells,” J. Optics. 2016

  12. X. Chen, F. Yang, C. Zhang, J. Zhou, L. J. Guo, “Large-Area High Aspect Ratio Plasmonic Interference Lithography Utilizing a Single High-k Mode,” ACS Nano. 10, 4039−4045, 2016, DOI: 10.1021/acsnano.5b06137.

  13. K.T. Lee, L. J. Guo, H. J. Park, “Neutral- and Multi-Colored Semitransparent Perovskite Solar Cells,” Molecules 21(4), 475, 2016; DOI:  10.3390/molecules21040475

  14. A. Khan, S. Lee, T. Jang, Z. Xiong, C. Zhang, T. Tang, L. J. Guo, and W.-D. Li “High Performance Flexible Transparent Electrode with an Embedded Metal Mesh Fabricated by Cost-effective Solution-process” Small, 12(8), 3021–3030, 2016. DOI: 10.1002/smll.201600309.

  15. C. Yang, C. Ji, W. Shen, K.T. Lee, Y. Zhang, X. Liu, L.J. Guo “Compact multilayer film structures for ultrabroadband, omnidirectional, and efficient absorption,” ACS Photon. 3, 590−596 2016. DOI: 10.1021/acsphotonics.5b00689

  16. J. Zhou, L. J. Guo, “Light Coupling Engineering of a Double-Pinhole Nanoresonator,” J. Nanosci. & Nanotech. 16, 1-5, 2016

  17. J. Zhou, X. Chen, L. J. Guo, “Efficient Thermal–Light Interconversions Based on Optical Topological Transition in the Metal-Dielectric Multilayered Metamaterials,” Adv. Mater. 2016, DOI: 10.1002/adma.201505451

  18. T. –H. Lee,1 J. G. Ok, L. J. Guo, and H. W. Baac, “Low f-number photoacoustic lens for tight ultrasonic focusing and free-field micro-cavitation in water,” Appl. Phys. Lett. 2016

  19. T. –H. Lee, Q. Li, L. J. Guo, "Out-coupling of Longitudinal Photoacoustic Pulses by Mitigating the Phase Cancellation,” Sci. Rep. 6, 21511; doi: 10.1038/srep21511 (2016).

  20. K. T. Lee, C. –G. Ji, L. J. Guo, “Wide-angle, polarization-independent ultrathin broadband visible absorbers,” Appl. Phys. Lett. 2016



  1. C. Zhang, S. –L. Chen, T. Ling, and L. J. Guo, “Imprinted Polymer Microrings as High-Performance Ultrasound Detectors in Photoacoustic Imaging,” (invited review) J. Lightwave Technol. 33(20), 4318 – 4328, 2015. doi: 10.1109/JLT.2015.2466661

  2. H. W. Baac, J. Ok, T. H. Lee, L. J. Guo, “Nano-Structural Characteristics of Carbon Nanotube-Polymer Composite Films for High-Amplitude Optoacoustic Generation,” Nanoscale, 7, 14460-14468, 2015, DOI: 10.1039/C5NR03769G

  3. Z. Pan, H. Subbaraman, Y. Zou, X. Xu, X. Zhang, C. Zhang, Q. Li, L. J. Guo, R. T. Chen, “Quasi-vertical tapers for polymer waveguide based inter-board optical interconnects,” Photonics Research, 2015.

  4. K. T. Lee, J. Y. Lee, L. J. Guo, “Microcavity-integrated, colored semitransparent hybrid photovoltaics with improved efficiency and color purity,” IEEE J. Photovoltaics, 2015

  5. H. J. Park, L. J. Guo, “Review of optical enhancement effects of plasmonic nanostructures on organic photovoltaic cells,” Chinese Chemical Lett. 2015.

  6. J. G. Ok, Young Jae Shin, Hui Joon Park, “A step towards next-generation nanoimprint lithography: extending productivity and applicability,” Applied Physics A 01/2015; DOI:10.1007/s00339-015-9229-6

  7. D.W. Zhao, C. Zhang, J. S. Kim, L. J. Guo, “High-performance Ta2O5/Al-doped Ag Electrode for Resonant Light Harvesting in Efficient Organic Solar Cells,” Adv. Energy Mater. 2015, 1500768 (8 pages), DOI: 10.1002/aenm.201500768.

  8. K. T. Lee, M. Fukuda, S. Joglekar, L. J. Guo, “Colored, see-through perovskite solar cells employing an optical cavity,” J. Mater. Chem. C, 3, 5377 – 5382, 2015, DOI: 10.1039/c5tc00622h

  9. K. T. Lee, C. G. Ji, D. Banerjee, L. J. Guo “High angular-tolerant, polarization-independent, and high-purity reflective structural colors based on 1D photonic crystals,” Laser Photonics Rev., 9(3), 354–362 (2015)  DOI:10.1002/lpor.201500029

  10. C. Zhang, S.L. Chen, T. Ling, L. J. Guo, (Invited) “Review of Imprinted Polymer Microring as Ultrasound Detector: Fabrication, characterization and Applications,” IEEE Sensors Journal, 15(6), 3241 - 3248 (2015). DOI: 10.1109/JSEN.2015.2421519

  11. F. Yang, X. Chen, E. -H. Cho, C. S. Lee, P. Jin, L. J. Guo, “Period reduction lithography in normal UV range with surface plasmon polaritons interference and hyperbolic metamaterial multilayer structure,” Appl. Phys. Express 06/2015; 8(6):062004. DOI:10.7567/APEX.8.062004

  12. T. H. Lee, H. W. Baac, J. G. Ok, H. S. Youn, L. J. Guo “Nozzle-Free Liquid Microjetting via Homogeneous Bubble Nucleation,” Phys. Rev. Appl. 3, 044007 (2015) DOI: 10.1103/PhysRevApplied.3.044007.

  13. C. G. Bottenfield, F. Wei, H. J. Park, L. J. Guo, G. Y. Li, “Investigation of Printing-Based Graded Bulk Heterojunction Organic Solar Cells,” Energy Technology, 3(4), 414–422, 2015,  DOI: 10.1002/ente.201402152

  14. H. J. Park, L.J. Guo, “Optical enhancement effects of plasmonic nanostructures on organic photovoltaic cells,” Chin. Chem. Lett. (2015), http://dx.doi.org/10.1016/j.cclet.2015.02.001

  15. Qi Zhang, Yanfei Di, Chad M. Huard, Jay Guo, Jie Wei, Jinbao Guo High-stable and Stretchable Graphene-Polymer processed Silver Nanowires Hybrid Electrodes for Flexible Di 12/2014; 3(7). DOI:10.1039/C4TC02448F

  16. H. S. Kim, K. T. Lee, C. Zhao, L. J. Guo, J. Kanicki, “Top illuminated organic photodetectors with dielectric/metal/dielectric transparent anode,” Org. Electron. 2015. doi:10.1016/j.orgel.2015.02.012

  17. H. S. Youn, H. J. Park, L. J. Guo, “Printed Nanostructures for Organic Photovoltaic Cells and Solution-Processed Polymer Light-Emitting Diodes,” Energy Technology, 3(4), 340–350, 2015, DOI: 10.1002/ente.201402163.

  18. K.T. Lee, S. Y. Seo, L. J. Guo, “High color purity subtractive color filters with wide viewing angle based on plasmonic perfect absorbers,” Adv. Opt. Mater., 3(3), 347–352, 2015. DOI: 10.1002/adom.201400533.

  19. J. Zhou, L. J. Guo, “Achieving angle-insensitive spectrum filter with the slit nanoresonator array structure,” J. Nanophotonics, 9(1), 093795, 2015. doi:10.1117/1.JNP.9.093795

  20. H. S. Youn, H. J. Park, L. J. Guo, “Organic photovoltaic cells: from performance improvement to manufacturing processes” Small, 11(19), 2228–2246, 2015. DOI: 10.1002/smll.201402883


  1.  J. Y. Lee, T. H. Lee, H. J. Park, L. J. Guo, “Improved solar cell performance by adding ultra-thin Alq3 at the cathode interface,” Org. Electron. 2014, Accepted

  2.  T. H. Lee, H. W. Baac, J. G. Ok, H. S. Youn, L. J. Guo, “Controlled generation of single microbubble at solid surfaces by a nanosecond pressure pulse,” Phys. Rev. Appl. 2014, accepted.

  3.  K. T. Lee, J.Y. Lee, S.-Y. Seo, and L. J. Guo, “Colored ultra-thin hybrid photovoltaics with high quantum efficiency,” Light: Science & Applications, 2014. Accepted.

  4. J. Zhou, A. F. Kaplan, L. Chen, L. J. Guo, “Experiment and Theory of the Broadband Absorption by a Tapered Hyperbolic Metamaterial Array,” ACS Photon. 2014, dx.doi.org/10.1021/ph5001007

  5. K. T. Lee, S.-Y. Seo, J.Y. Lee, and L. J. Guo, “Strong resonance effect in a lossy medium-based optical cavity for angle robust spectrum filters,” Adv. Mater, 2014, DOI: 10.1002/adma.201402117.

  6. C. Pfeiffer, C. Zhang, V. Ray, L. J. Guo, A. Grbic, “High Performance Bianisotropic Metasurfaces: Asymmetric Transmission of Light,” Phys. Rev. Lett. 113, 023902, 2014; DOI: 10.1103/PhysRevLett.113.023902.

  7. K. T. Lee, S.-Y. Seo, J.Y. Lee, and L. J. Guo, “Ultrathin metal-semiconductor-metal resonator for angle invariant visible band transmission filters,” Appl. Phys. Lett. 104, 231112, (2014); DOI: 10.1063/1.4883494

  8. A. F. Kaplan, J. A. Gilbert, R. Trabert, T. H. Zurbuchen, L. J. Guo, “Free-Standing Silicon Nanogratings for Extreme UV Rejection,” ACS Photon. 1(7), 554–559, 2014. DOI: 10.1021/ph500018b.

  9. C. Zhang, D. Zhao, D. Gu, H. Kim, T. Ling, Y.-K. Wu, L. J. Guo, “An Ultrathin, Smooth, and Low-Loss Al-Doped Ag Film and Its Application as a Transparent Electrode in Organic Photovoltaics,” Adv. Mater, 2014, 10.1002/adma.201306091.

  10. H.-S. Youn, T.-H. Lee, and L. J. Guo “Multi-Film Roll Transferring (MRT) Process using Highly Conductive and Solution-Processed Silver Solution for Fully Solution-Processed Polymer Solar Cells,“ Energy & Environmental Sci, 7, 2764 – 2770, 2014, DOI: 10.1039/c4ee01073f.

  11.   S. L. Chen, Y.-C. Chang, C. Zhang, J. G. Ok, T. Ling, M. T. Mihnev, T. B. Norris, L. J. Guo, “Efficient real-time detection of terahertz pulse radiation based on photoacoustic conversion by carbon nanotube nanocomposite, Nat. Photon. 2014, doi:10.1038/nphoton.2014.96. (reported by EE Times, IEEE Spectrum, etc)

  12.  B.-Y. Hsieh, S.-L. Chen, T. Ling, L. J. Guo, and P.-C. Li. “All-optical scanhead for ultrasound and photoacoustic imaging - Imaging mode switching by dichroic filtering,” Photoacoustics, 2, 39–46, 2014. dx.doi.org/10.1016/j.pacs.2013.12.002.

  13.  T.-H. Jang, H. Youn. Y. J. Shin. L. J. Guo, “Transparent and Flexible Polarization-Independent Microwave Broadband Absorber,” ACS Photon. 1(3), 279–284, 2014. Doi: 10.1021/ph400172u

  14.  J. B. Guo, C. M. Huard, Y. Yang, Y. J. Shin, K. T. Lee, L. J. Guo,  “Compact and ITO-Free Liquid Crystal Devices using integrated structural Color Filters and Graphene Electrode,” Adv. Opt. Mater, 2, 435–441, 2014. DOI: 10.1002/adom.201300525.

  15. J. Y. Lee, K. T. Lee, S.Y. Seo, L. J. Guo, “Decorative power generating panels creating angle insensitive transmissive colors,” Sci. Rep. 2014

  16. J. Zhou, and L. J. Guo, “Transition from a spectrum filter to a polarizer in a metallic nano-slit array,” Sci. Rep. 4, 3614, 2014. doi:10.1038/srep03614.    

  17. J. G. Ok, J. Y. Lee, H. W. Baac, S. Tawfick, L. J. Guo, A. J. Hart, “Rapid anisotropic photoconductive response of ZnO-coated aligned carbon nanotube sheets" ACS Applied Materials & Interfaces, 2014.


  1.  H. W. Baac, T. Lee, J. G. Ok, T. Hall, and L. J. Guo, “Dual-frequency focused ultrasound using optoacoustic and piezoelectric transmitters for single-pulsed free-field cavitation in water,” Appl. Phys. Lett. 103, 234103 (2013)

  2. P. Zhu, P. Jin, and L. J. Guo, “Insight of limitations of effective media theory for metal–dielectric multilayer metamaterials,” Opt. Comm. 305, 8-12 (2013)

  3. J. G. Ok, M. K. Kwak, C. M. Huard and L. J. Guo “Continuous and high-throughput nanopatterning methodologies based on mechanical deformation,” (invited review) J. Mater. Chem. C. 1(46), 7681 – 7691, 2013. DOI:10.1039/C3TC30908H

  4. S.-L. Chen, Z.-X. Xie, L. J. Guo, X.D. Wang, “A fiber-optic system for dual-modality photoacoustic microscopy and confocal fluorescence microscopy using miniature components,” Photoacoustics, 1, 30-35, 2013. Doi: /10.1016/j.pacs.2013.07.001

  5. Y. J. Shin, Y.-K. Wu, K.-T. Lee, J. G. Ok, and L. J. Guo, “Fabrication and Encapsulation of a Short-Period Wire Grid Polarizer with Improved Viewing Angle by the Angled-evaporation Method,” Adv. Opt. Mater. 2013, DOI: 10.1002/adom.201300276.

  6. J. G. Ok, M. K. Kwak, C. M. Huard and L. J. Guo “Photo Roll Lithography for continuous and scalable patterning, with application in transparent conductor fabrication,” Adv. Mater. 2013, in press.

  7. H. W. Baac, T. -H. Lee, L. J. Guo, “Micro-ultrasonic cleaving of cell clusters by laser-generated focused ultrasound and its mechanisms,” Biomed. Opt. Exp. 8, 1442-1450 (2013); doi: 10.1364/BOE.4.001442 (reported by Nature Photonics: doi:10.1038/nphoton.2013.259)

  8. P. Zhu, P. Jin; H.-F. Shi and L. Jay Guo, “Funneling light into subwavelength grooves in metal/dielectric multilayer films,” Opt. Express. 21, 3595-3602 (2013).

  9. X. Lin, T. Ling; H. Subbaraman, L. J. Guo, R. T. Chen, “Printable thermo-optic polymer switches utilizing imprinting and ink-jet printing,” Opt. Express. 21, 2110-2117 (2013)

  10. X. Lin, T. Ling; H. Subbaraman, X. Y. Zhang, L. J. Guo, R. T. Chen, “Ultraviolet imprinting and aligned ink-jet printing for multilayer patterning of electro-optic polymer modulators,” Opt. Lett. 38, 1597-1599 (2013)

  11. J. G. Ok, M. K. Kwak, C. M. Huard and L. J. Guo “Photo Roll Lithography for continuous and scalable patterning, with application in transparent conductor fabrication,” (invited review) J. Mater. Chem. C 2013, in press DOI:10.1039/C3TC30908H

  12. S. B. Shin, M.Y. Yang, L. J. Guo and H.S. Youn, “Novel Roll-to-Roll Cohesive Coated Flexible High-Efficiency Polymer Light-Emitting Diodes Utilizing ITO-Free Polymer Anode,“ Small, 2013, DOI: 10.1002/smll.201300382

  13. Y. J. Shin, Y. K. Wu, and L. J. Guo, “Nanoimprinting ultra small and high aspect ratio structures by using rubber-toughened UV cure epoxy resist,” Nanotech. 2013, in press.

  14. S. H. Ahn, J. G. Ok, M. K. Kwak, K. T. Lee, J. Y. Lee and L. J. Guo, “Template-free Vibrational Indentation Patterning (VIP) of micro/nano-scale grating structures with real-time pitch and angle tunability,” Adv. Func. Mater. 2013, in press. doi:10.1002/adfm.201300293

  15. H. J. Park, J. Y. Lee, T. H. Lee, L. J. Guo, “Advanced Heterojunction Structure of Polymer Photovoltaic Cells Generating Ultrahigh Photocurrent with Internal Quantum Efficiency Approaching 100 %,” Adv. Energy. Mater. 3, 1135–1142 (2013), DOI: 10.1002/aenm.201300245.

  16. H. J. Park, H. S. Kim, J. Y. Lee, T.H. Lee, L. J. Guo, “Optimization of Polymer Photovoltaic Cells with Bulk Heterojunction Layers Hundreds of Nanometers Thick: Modifying the Morphology and Cathode Interface,” Energy & Environmental Sci, 6, 2203-2210, (2013), 2013.

  17. A. E. Hollowell, L. J. Guo, “Nanowire Grid Polarizers Integrated into Flexible, Gas Permeable, Biocompatible Materials,” Adv. Opt. Mater, 1, 343-348, 2013. DOI: 10.1002/adom.20130002

  18. H.-W. Baac, J. Frampton, J. G. Ok, S. Takayama, and L. J. Guo, "Localized micro-scale disruption of cells using laser-generated focused ultrasound," J. Biophoton. doi 10.1002/jbio.201200247.

  19. S. H Ahn, J. G. Ok, M. K. Kwak, K. T. Lee, J. Y. Lee, and L. J. Guo, "Template-free Vibrational Indentation Patterning (VIP) of micro/nano-scale grating structures with real-time pitch and angle tunability," Adv. Mater. Accepted

  20. A. E. Hollowell, L. J. Guo, "Nanowire Grid Polarizers Integrated into Flexible, Gas Permeable, Biocompatible Materials," Adv. Opt. Mater. In Press

  21. Y.-K. Wu, A. E. Hollowell, C. Zhang, L. J. Guo, "Angle-Insensitive Structural Colours based on Metallic Nanocavities and Coloured Pixels beyond the Diffraction Limit ,"Scientific Reports 3, 1194; DOI:10.1038/srep01194 (2013) (reported by Engadget, EE Times, New Scientist, Nat. Photonics, Optics & Photon. News, etc) 

  22. X.-D. Liu, J.-Y. Lee, L. J. Guo, "Efficiency and stability enhancement of polymer solar cells using multi-stacks of C60/LiF as cathode buffer layer," Org. Electron 14, 591–598 (2013)

  23. X.-D. Liu, H.-S. Kim, L. J. Guo, "Optimization of thermally reduced graphene oxide for an efficient hole transport layer in polymer solar cells," Org. Electron 14, 591–598 (2013)


  1.  X. Tu, Y.-K. Wu, and L. J. Guo, "Vertical coupled photonic molecule laser," Appl. Phys. Lett. 100, 041103, 2012.

  2. H. W. Baac, J. G. Ok, A. Maxwell, K.-T. Lee, Y.–C. Chen, A. J. Hart, Z. Xu, E. Yoon, L. J. Guo, "Carbon-Nanotube Optoacoustic Lens for Focused Ultrasound Generation and High-Precision Targeted Therapy," Scientific Reports, 2, 989; DOI: 10.1038/srep0098 (reported by Science Daily, R&D Magazine, Nature Photonics, Science Newsline, Business Standard, etc) 

  3. P. Zhu, L. J. Guo, "High performance broadband absorber in the visible band by engineered dispersion and geometry of a metal-dielectric-metal stack," Appl. Phys. Lett. 101, 223102, 2012

  4. J. G. Ok, H. S. Youn, M. K. Kwak, K.-T. Lee, Y. J. Shin, A. Greenwald, Y. Liu, and L. J. Guo, "Continuous and scalable fabrication of flexible metamaterial films via Roll-to-Roll nanoimprint process for broadband plasmonic IR filters," Appl. Phys. Lett. 101, 223102, 2012

  5. M. K. Kwak, J. G. Ok, J. Y. Lee, and L. J. Guo, "Continuous phase shift lithography by roll type mask and application to transparent conductor fabrication," Nanotech. 23, 344408 (6 pages), 2012

  6. Y. J. Shin, C. Pina-Hernandez, Y. K. Wu, J. G. Ok, and L. J. Guo, "Facile route of flexible wire grid polarizer fabrication by angled-evaporations of aluminum on two sidewalls of an imprinted nanograting," Nanotech. 23, 344018 (6 pages), 2012

  7. P. Zhu, H. Shi, and L. J. Guo, "SPPs coupling induced interference in metal/dielectric multilayer waveguides and its application for plasmonic lithography," Opt. Exp. 22, 12521-12529, 2012

  8. S.-L. Chen, Z. Xie, T. Ling, L. J. Guo, X. Wei, and X.-D. Wang, , "Miniaturized all-optical photoacoustic microscopy based on microelectromechanical systems mirror scanning," Optics Letters 37(20):4263--4265, 2012

  9. B.-Y. Hsieh, S.-L. Chen, T. Ling, L. J. Guo, and P.-C. Li., "All-optical scanhead for ultrasound and photoacoustic dual-modality imaging," Optics Express, 20(2):1588--1596 

  10. B.-Y. Hsieh, S.-L. Chen, T. Ling, L. J. Guo, and P.-C. Li., "All-optical scanhead for ultrasound and photoacoustic dual-modality imaging," Optics Express, 20(2):1588--1596, 2012 


  1. T. Ling. S.-L. Chen and L. J. Guo, "Fabrication and Characterization of High Q Polymer Micro-ring Resonator and Its Application as a Sensitive Ultrasonic Detector,"Opt. Exp. 19, 861-869,2011

  2. 2. C. Pina-Hernandez, P.-F. Fu, and L. J. Guo, "Ultrasmall Structure Fabrication via a Facile Size Modification of Nanoimprinted Functional Silsesquioxane Polymers," ACS Nano 5, 923-931, 2011

  3. 3. H. J. Park, T. Xu, J. Y. Lee, A. Ledbetter, and L. J. Guo, "Photonic Color Filters Integrated with Organic Solar Cells for Energy Harvesting," ACS Nano, 9, 7055–7060, 2011. (reported by Technology Review, Laser Focused World, etc).

  4. 4. J. G. Ok, H. J. Park, M. K. Kwak, C. Pina-Hernandez, S. H. Ahn, and L. J. Guo, "Continuous patterning of nanogratings by nanochannel-guided lithography on liquid resists," Adv. Mater. 2011. DOI: 10.1002/adma.201102199

  5. 5. T. Xu, H.-F. Shi, Y.-K. Wu, A. F. Kaplan, J. G. Ok, and L. J. Guo, "Structural Colors: from Plasmonic to Carbon Nanostructures," Small 7, 3128–3136, 2011.

  6. 6. Y.-H Chen, Y.-K. Wu, L. J. Guo, "Photonic crystal microdisk lasers," Appl. Phys. Lett. 98, 131109-1, 2011.

  7. 7. B.-G. Kim, E. J. Jeong, H. J. Park, D. Bilby, L. J. Guo, J. S. Kim, "Effect of Polymer Aggregation on the Open Circuit Voltage in Organic Photovoltaic Cells: Aggregation Induced Conjugated Polymer Gel and its Application for Preventing Open Circuit Voltage Drop," ACS Applied Materials & Interfaces 3, 674680 2011.

  8. 8. S.-L. Chen, T. Ling, and L. J. Guo, "Low-noise small size microring ultrasonic detectors for high-resolution photoacoustic imaging," J. Biomed. Opt. 16(5), 056001 (6 pages), 2011

  9. 9. T. Ling, S.-L. Chen, and L. J. Guo, "High-sensitivity and wide-directivity ultrasound detection using high Q polymer micro-ring resonators," Appl. Phys. Lett 98, 204103 (3 pages), 2011

  10. 10. Z.-X. Xie, S.-L. Chen, T. Ling, L. J. Guo, P. L. Carson, X.-D. Wang, "Pure optical photoacoustic microscopy," Opt. Exp 10, 9027-9034, 2011

  11. 12. A. Kaplan, T. Xu, and L. J. Guo, "High Efficiency Resonance-Based Color Filters with Tunable Transmission Bandwidth Fabricated Using Nanoimprint Lithography,"Appl. Phys. Lett. 99, 143111, 2011.

  12. 13. H.-F. Shi, J. G. Ok, H. W. Baac, L. J. Guo, "Low density carbon nanotube forest as an index-matched and near perfect absorption coating," Appl. Phys. Lett 99, 211103, 2011. (reported by Science, Technology Review, BBC News, Popular Science, NY Times Syndicates, etc)

  13. 14. Yi-Hao Chen, Yi-Kuei Wu, and L. Jay Guo, "Photonic crystal microdisk lasers,"Appl. Phys. Lett 98, 131109, 2011

  14. 15. J. G. Ok, H. J. Park, M. K. Kwak,C. Pina-Hernandez, S. H. Ahn, and L. J. Guo, "Continuous patterning of nanogratings by nanochannel-guided lithography on liquid resists," Adv. Mater 23, 4444–4448, 2011

  15. 16. H. J. Park, T. Xu, J. Y. Lee, A. Ledbetter, and L. J. Guo, "Photonic Color Filters Integrated with Organic Solar Cells for Energy Harvesting,," ACS Nano 9, 7055–7060, 2011. (reported by Technology Review, Laser Focused World, etc)


  1. Y.-H Chen, L. J. Guo, "High Q Long-Range Surface Plasmon Polariton Modesin Sub-wavelength Metallic Microdisk Cavity," Plasmonics 2010, DOI 10.1007/s11468-010-9185-0.

  2. H. W. Baac, J. G. Ok, H. J. Park, T. Ling, S.-L. Chen, A. J. Hart and L. J. Guo, "Carbon nanotube composite optoacoustic transmitters for strong and high frequency ultrasound generation," App. Phys. Lett. 97, 234104, 2010.

  3. S.-H Ahn and L. J. Guo, "Spontaneous Formation of Periodic Nanostructures by Localized Dynamic Wrinkling," Nano Lett. 10, 42284234, 2010.

  4. A. F. Kaplan, T. Xu, Y.-K. Wu, and L. J. Guo, "Multi-Layer Pattern Transfer for Plasmonic Color Filter Application," J. Vac. Sci. & Technol. B. 2010.

  5. P. Mukherjee, A. Bruccoleri, R. K. Heilmann, and M. L. Schattenburg, A. F. Kaplan, L. J. Guo, "Plasma etch fabrication of 60:1 aspect ratio silicon nanogratings with 200 nm pitch," J. Vac. Sci. & Technol. B. 2010.

  6. T. Xu, Y.-K. Wu, and X.-G. Luo and L. J. Guo, "Plasmonic nano-resonators for color filtering and spectral imaging," Nat. Comm. doi: 10.1038 / ncomms1058, 2010. (Reported by Technology Review, R&D Magazine, Popular Science, Photonics Spectra, etc)

  7. C. Pina-Hernandez, L. J. Guo, and P.-F. Fu, "High Resolution Functional Epoxysilsesquioxane-Based Patterning Layers for Large Area Nanoimprinting," ACS Nano 4, 47764784, 2010.

  8. B.-Y. Hsieh, S.-L. Chen, T. Ling, L. J. Guo, and P.-C. Li, "An integrated intravascular ultrasound and photoacoustic imaging scan head," Opt. Lett. 35, 2892-2894, 2010.

  9. A. Lopatynskyi, O. Lopatynska, L. J. Guo, and V. Chegel, "Localized Surface Plasmon Resonance Biosensor Part I: Theoretical Study of Sensitivity  Extended Mie Approach," IEEE Sensors, 11, 361  369, 2010.

  10. M. G. Kang, T. Xu, H. J. Park, X. G. Luo, and L. J. Guo, "Efficiency Enhancement of Organic Solar Cells using Transparent Plasmonic Ag Nanowire Electrodes," Adv. Mater. 22, 43784383, 2010. (doi: 10.1002/adma.201001395) 

  11. L.-J. Cheng and L. J. Guo, "Entrance Effect on Ion Transport in Nanochannels,"Microfluidics and Nanofluidics, 9, 1033-1039, 2010. (doi:10.1007/s10404-010-0621-4)

  12. H. J. Park, M. G. Kang, S.-H. Ahn and L. J. Guo, "Facile route to polymer solar cells with optimum morphology applicable to roll-to-roll process," Adv Mater, 22, E247-E253, 2010. (Reported by Technology Review and top 5 download from May-July 2010, DOI: 10.1002/adma.201000250)

  13. S.-L. Chen, T. Ling, S.-W. Huang, H. W. Baac, and L. J. Guo, "Photoacoustic correlation spectroscopy and its applications to low speed flow measurement," Opt. Lett. 35, 1200, 2010.

  14. M.-G. Kang, H. J. Park, S.-H. Ahn and L. J. Guo, "Transparent Cu nanowire mesh electrode on a flexible substrate fabricated by simple transfer printing and its application in organic solar cell," Solar Energy Materials & Solar Cells, 94, 11791184, 2010. doi:10.1016/j.solmat.2010.02.039

  15. H.-F. Shi and L. J. Guo, "Design of Plasmonic Near Field Plate at Opitical Frequency,"Appl. Phys. Lett. 96, 141107, 2010.

  16. M. G. Kang, H. J. Park, S.-H. Ahn, T. Xu, and L. J. Guo, "Towards Low-Cost, High Efficiency, and Scalable Organic Solar Cells with Transparent Metal Electrode and Improved Domain Morphology," IEEE J. Sel. Top. Quantum Electron. 2010, in press. doi: 10.1109/JSTQE.2010.2044634

  17. L. J. Cheng, and L. J. Guo, "Nanofluidic diodes," Chem. Soc. Rev. 2010, DOI: 10.1039/b822554k.