92. Z. Su, J. Li, R. Jiang, S. Zhang, C. Jin, F. Ye, B. Ke, M. Zhou*, J. Tong, H. Park*, F. Huang, Y.-B. Cheng, and T. Bu* “Efficient flexible perovskite solar cells and modules using a stable SnO2-nanocrystal isopropanol dispersion”, Nano Res. Accepted Link

91. E. Son, S. Lee, J. Seo, U. Kim, S.H. Kim, J. M. Baik*, Y. K. Han*, and  H. Park* “Engineering the Local Atomic Configuration in 2H TMDs for Efficient Electrocatalytic Hydrogen Evolution”, ACS Nano 2023, 17, 11, 10817–10826 Link

90. S. Y. Choi, R. Purbia, H. J. Kim, J.-K. Kim, S.-W. Kim, J. Mo, B. Ye, B. Jeong, D. H. Lee, D. Kim,  H. Park*, H.-D. Kim*, and J. M. Baik* “Low temperature selective catalytic reduction of Nox with NH3 with improved SO2 and water resistance by using N-doped graphene dots-CuO-CeO2 nano-heterostructures modified vanadate catalysts”, Appl. Surf. Sci. 2023, 623, 157088 Link

89. U. Kim†, S. Lee†, D. Koo, Y. Choi, H. Kim, E. Son, J. M. Baik*, Y.-K. Han*, and H. Park* “Crystal Facet and Electronic Structure Modulation of Perovskite Oxides for Water Oxidation”, ACS Energy Lett. 2023, 8, 3, 1575–1583 Link

88. H. J. Kim, S. H. Kim, S.-W. Kim, J.-K. Kim, C. Cao, Y. Kim, U. Kim, G. Lee, J.-Y. Choi, H.-S. Oh, H.-C. Song, W. J. Choi, H. Park*, and J. M. Baik* “Low-temperature crystallization of LaFeO3 perovskite with inherent catalytically surface for the enhanced oxygen evolution reaction”, Nano Energy. 2023, 105, 108003 Link

87. S.-W. Kim, J.-K. Kim, J. Y. Park, J. Mun, S. Jung, S. E. Yang, G. Lee, P. S. Lee, H.-C. Song, C. Yang, H. Park*, J. S. Son*, and J. M. Baik* “Boosted Output Voltage of BiSbTe-based Thermoelectric Generators via Coupled Effect between Thermoelectric Carriers and Triboelectric Charges”, Adv. Energy Mater. 2022, 2202987 Link

86. Y. Kim, M. Ha, R. Anand, M. Zafari, J. M. Baik, H. Park, and G. Lee* “Unveiling a Surface Electronic Descriptor for Fe–Co Mixing Enhanced the Stability and Efficiency of Perovskite Oxygen Evolution Electrocatalysts”, Acs Catal. 2022, 12, 14698-14707 Link

85. U. Kim, J. Mun, D. Koo, J. Seo, Y. Choi, G. Lee, and H. Park* “Catalytic centers with multiple oxidation states: a strategy for breaking the overpotential ceiling from the linear scaling relation in oxygen evolution”, J. Mater. Chem. A. 2022, 10, 23079-23086 Link

84. U. Kim†, S. Lee†, N. K. Oh, J. Seo, J. H. Cha, J. Lee, S. Lee, T. J. Shin, J. M. Baik*, Y.-K. Han*, and H. Park* “Alkali metal-mediated interfacial charge redistribution toward near-optimal water oxidation”, J. Mater. Chem. A. 2022, 10, 21512-21522 Link

83.J. Seo†, E. Son†, J. Kim, S.-W. Kim, J. M. Baik, and H. Park* “Controllable substitutional vanadium doping in wafer-scale molybdenum disulfide films”, Nano Res. 2023, 16, 3415–3421 Link

82. J. Seo†, J. Kim†, J. Lee†, D. Koo, G. Jeong, Y. Choi, E. Son, and H. Park* “Intergranular Diffusion-Assisted Liquid-Phase Chemical Vapor Deposition for Wafer-Scale Synthesis of Patternable 2D Semiconductors”, Adv. Funct. Mater. 2022, 2205695 Link

81. Y. Wen, J. Li, X. Gao, C. Tian, H. Zhu, G. Yu, X. Zhang, H. Park*, and Z. Huang* “Two-step Sequential Blade-Coating Large-Area FA-Based Perovskite Thin Film via a Controlled Pbl2 Microstructure”, Acta Phys. -Chim. Sin. 2023, 39, 2203048 Link

80. L. Zhong, S.-H. Kang, J. Oh, S. Jung, Y. Cho, G. Park, S. Lee, S.-J. Yoon, H. Park*, and C. Yang* “Naphthalene as a Thermal-Annealing-Free Volatile Solid Additive in Non-Fullerene Polymer Solar Cells with Improved Performance and Reproducibility”, Adv. Funct. Mater. 2022, 32, 33, 2201080 Link

79. G. Jeong†, D. Koo†, J.-H. Woo, Y. Choi, E. Son, F. Huang*, J.-H. Kim*, and H. Park* “Highly Efficient Self-Encapsulated Flexible Semitransparent Perovskite Solar Cells via Bifacial Cation Exchange”, ACS Appl. Mater. Interfaces 2022, 14, 29, 33297-33305 Link

78. A. C. Rana, M. H. Jeong, Y. I. Noh, H. Park, J. M. Baik, and K. J. Choi* “Phase-Tuned MoS2 and Its Hybridization with Perovskite Oxide as Bifunctional Catalyst: A Rationale for Highly Stable and Efficient Water Splitting”, ACS Appl. Mater. Interfaces 2022, 14, 16, 18248-18260 Link

77. Y. Choi†, D. Koo†, G. Jeong, U. Kim, H. Kim, F. Huang*, and H. Park* “A vertically oriented two-dimensional Ruddlesden–Popper phase perovskite passivation layer for efficient and stable inverted perovskite solar cells”, Energy Environ. Sci., 2022, 15, 3369-3378 Link

76. J. Seo, Y. Kim, J. Lee, E. Son, M.-H. Jung, Y.-M. Kim, H. Y. Jeong*, G. Lee*, and H. Park* “Single-atom vanadium-doped 2D semiconductor platform for attomolar-level molecular sensing”, J. Mater. Chem. A, 2022, 10, 13298-13304 Link

75. S.-H. Kim, G.-S. Hwang, D. Koo, D.-H. Seo, Y.-P. Kown, H. Lee, H. Park*, E.-C. Jeon*, and J.-Y. Kim* “Highly impermeable and flexible silica encapsulation films synthesized by sol-gel process”, Nano Res., 2022, 15, 7476-7483 Link

74. Y. Mo, C. Wang, X. Zheng, P. Zhou, J. Li, X. Yu, K. Yang, X. Deng, H. Park*, F. Huang*, and Y.-B. Cheng “Nitrogen-doped tin oxide electron transport layer for stable perovskite solar cells with efficiency over 23%”, Interdisciplinary Materials, 2022, 1, 309-315 Link

73. C. T. Cao, S.-W. Kim, H. J. Kim, R. Purbia, S. H. Kim, D. Kim, K. J. Choi, H. Park*, and J. M. Baik* “N-doped graphene quantum dots as charge-transfer-bridge at LaSrCoO/MoSe2 heterointerfaces for enhanced water splitting”, Nano Energy, 2022, 96, 107117 Link

72. R. Purbia, S. Y. Choi, H. J. Kim, B. Ye, B. Jeong, D. H. Lee,  H. Park*, H.-D. Kim*, and J. M. Baik* “Cu- and Ce-promoted nano-heterostructures on vanadate catalysts for low-temperature NH3–SCR activity with improved SO2 and water resistance”, Chem. Eng. J., 2022, 437, 135427 Link

71. J.-H. Woo, S.-Y. Park, D. Koo, M. H. Song, H. Park*, and J.-Y. Kim* “Highly Elastic and Corrosion-Resistive Metallic Glass Thin Films for Flexible Encapsulation”, ACS Appl. Mater. Interfaces, 2022, 14, 4, 5578–5585 Link

70. S.-W. Kim, J.-K. Kim, H. J. Kim, C. T. Cao,  N. K. Oh, Y. Yang, H.-C. Song, M. Shim*, H. Park*, and J. M. Baik* “Output signals control of triboelectric nanogenerator with metal-dielectric-metal configuration through high resistance grounded systems”, Nano Energy, 2022, 95, 107023 Link

69. J. Seo, J. Lee, S. Baek, W. Jung, N. K. Oh, E. Son, and H. Park* “Liquid Precursor-Mediated Epitaxial Growth of Highly Oriented 2D van der Waals Semiconductors toward High-Performance Electronics”, ACS Appl. Electron. Mater., 2021, 3, 12, 5528-5536 Link

68. G. Song, C. Hwang, W.-J. Song, J. Lee, S. Lee, D.-Y. Han, J. Kim, H. Park, H.-K. Song*, and S. Park* “Breathable Artificial Interphase for Dendrite-Free and Chemo-Resistive Lithium Metal Anode”, Small., 2021, 2105724 Link

67. Y. Jeon†, J. Seo†, J. Kim, D. Rhee, M. Jung, H. Park*, and J. Kang* “Wafer-Scale 2D MoSe2 Phototransistor Array via Liquid-Precursor-Assisted Chemical Vapor Deposition”, Adv. Opt. Mater., 2021, 2101492 Link

66. J.-H. Woo, D. Koo, N.-H. Kim, H. Kim, M. H. Song, H. Park*, and J.-Y. Kim* “Amorphous Alumina Film Robust under Cyclic  Deformation: a Highly Impermeable and a Highly Flexible Encapsulation Material”, ACS Appl. Mater. Interfaces., 2021, 13, 39, 46894–46901 Link

65. R. Purbia, Y. M. Choi, S. Y. Kim, S. H. Lee, Y. S. Ahi, H. Park*, and J. M. Baik* “A thermodynamic approach toward selective and reversible sub-ppm H2S sensing using ultra-small CuO nanorods impregnated with Nb2O5 nanoparticles”, J. Mater. Chem. A., 2021, 9, 17425-17433 Link

64. Y Choi, D Koo, M Jeong, G Jeong, J Lee, B Lee, K. J. Choi, C. Yang*, and H. Park*, “Toward All-Vacuum-Processable Perovskite Solar Cells with High Efficiency, Stability, and Scalability Enabled by Fluorinated Spiro-OMeTAD Through Thermal Evaporation”, Solar RRL., 2021, 5, 2100415, Link

63. N. K. Oh†, J. Seo†, S. Lee, H.-J. Kim, U. Kim, J. Lee, Y.-K. Han*, and H. Park*, “Highly efficient and robust noble-metal free bifunctional water electrolysis catalyst achieved via complementary charge transfer”, Nat Commun., 2021, 12, 4606 Link

62. D. Koo, U. Kim, Y. Cho, J. Lee, J. Seo, Y. Choi, K. J. Choi, J. M. Baik*, C. Yang*, and H. Park*, “Graphene-Assisted Zwitterionic Conjugated Polycyclic Molecular Interfacial Layer Enables Highly Efficient and Stable Inverted Perovskite Solar Cells”, Chem. Mater., 2021, 33, 14, 5563–5571 Link

61. G. Jeong†, J. Seo†, Y. Kim, D.-H. Seo, J. M. Baik*, E. Jeon*, G. Lee*, and H. Park*, “Graphene Antiadhesion Layer for the Effective Peel-and-Pick Transfer of Metallic Electrodes toward Flexible Electronics”, ACS Appl. Mater. Interfaces, 2021, 13, 18, 22000–22008 Link

60. M. Kim†, J. Seo†, J. Kim, J. S. Moon, J. Lee, J.-H. Kim, J. Kang*, and H. Park*, “High-Crystalline Monolayer Transition Metal Dichalcogenides Films for Wafer-Scale Electronics”, ACS Nano, 2021, 15, 2, 3038–3046 Link

59. C. U. Kim, E. D. Jung, Y. W. Noh, S. K. Seo, Y. Choi, H. Park, M. H. Song* and  K. J. Choi*, “Strategy for Large-Scale Monolithic PVK/Si Tandem Solar Cell : A Review of Recent Progress”, EcoMat, 2021, 3, 12084 [Review Article] Link

58. J. Lee, J. Heo, H. Y. Lim, J. Seo, Y. Kim, J. Kim, U. Kim, Y. Choi, S. H. Kim, Y. J. Yoon, T. J. Shin, J. Kang, S. K. Kwak*, J. Kim*, and H. Park*, “Defect-Induced in Situ Atomic Doping in Transition Metal Dichalcogenides via Liquid-Phase Synthesis toward Efficient Electrochemical Activity”, ACS Nano, 2020, 14, 12, 17114–17124 Link

57. M. S. A. S. Shah, C. Oh, H. Park, Y. J. Hwang, M. Ma*, and J. H. Park*, “Catalytic Oxidation of Methane to Oxygenated Products: Recent Advancements and Prospects for Electrocatalytic and Photocatalytic Conversion at Low Temperatures”, Adv. Sci., 2020, 2001946 [Review Article] Link

56. D. Koo, Y. Cho, U. Kim, G. Jeong, J. Lee, J. Seo, C. Yang*, and H. Park*, “High-Performance Inverted Perovskite Solar Cells with Operational Stability via n-Type Small Molecule Additive-Assisted Defect Passivation”, Adv. Energy Mater., 2020, 2001920 Link

55. X. Li*, X. Zhang*, H. Park*, and A. Di Bartolomeo*, “Editorial: Electronics and Optoelectronics of Graphene and Related 2D Materials”, Front. Mater., 2020, 7, 235 [Editorial Article] Link

54. S. Park, C. Kim, S. O. Park, N. K. Oh, U. Kim, J. Lee, J. Seo, Y. Yang, H. Y. Lim, S. K. Kwak*, G. Kim*, and H. Park*, “Phase Engineering of Transition Metal Dichalcogenides with Unprecedentedly High Phase Purity, Stability, and Scalability via Molten Metal-Assisted Intercalation”, Adv. Mater., 2020, 32(33), 2001889 Link

53. D. Koo, S. Jung, J. Seo, G. Jeong, Y. Choi, J. Lee, S. M. Lee, Y. Cho, M. Jeong, J. Lee, J. Oh, C. Yang*, and H. Park*, “Flexible Organic Solar Cells Over 15% Efficiency with Polyimide-Integrated Graphene Electrodes”, Joule, 2020, 4(5), 1021-1034 Link

52. G. Jeong†, D. Koo†, J. Seo, S. Jung, Y. Choi, J. Lee, and H. Park*, “Suppressed Interdiffusion and Degradation in Flexible and Transparent Metal Electrode-Based Perovskite Solar Cells with a Graphene Interlayer”, Nano Lett., 2020, 20(5), 3718-3727 Link

51. N. K. Oh, and H. Park*, “Hydrogen Production by Electrocatalysts Based on Transition Metal Dichalcogenides”, AAPPS Bulletin, 2020, 30(2), 3-9 [Invited Review, Front Cover Article] Link

50. U. Kim†, Y. Cho†, D. Jeon, Y. Kim, S. Park, J. Seo, J. Lee, N. K. Oh, G. Lee, J. Ryu*, C. Yang*, and H. Park*, “Zwitterionic Conjugated Surfactant Functionalization of Graphene with pH‐Independent Dispersibility: An Efficient Electron Mediator for the Oxygen Evolution Reaction in Acidic Media”, Small, 2020, 16(11), 1906635 Link

49. J. Seo, J. Lee, Y. Kim, D. Koo, G. Lee, and H. Park*, “Ultrasensitive Plasmon-Free Surface-Enhanced Raman Spectroscopy with Femtomolar Detection Limit from 2D van der Waals Heterostructure”, Nano Lett., 2020, 20(3), 1620-1630 Link

48. J. H. Choi†, J. Lee†, M. Byeon, T. E. Hong, H. Park*, and C. Y. Lee*, “Graphene-Based Gas Sensors with High Sensitivity and Minimal Sensor-to-Sensor Variation”, ACS Appl. Nano Mater., 2020, 3(3), 2257-2265 Link

47. S. Jung†, J. Lee†, U. Kim, and H. Park*, “Solution‐Processed Molybdenum Oxide with Hydroxyl Radical‐Induced Oxygen Vacancy as an Efficient and Stable Interfacial Layer for Organic Solar Cells”, Sol. RRL, 2019, 4(3), 1900420 Link

46. S. Kumar†, Y. Choi†, S.-H. Kang, N. K. Oh, J. Lee, J. Seo, M. Jeong, H. W. Kwon, S. I. Seok*, C. Yang*, and H. Park*, “Multifaceted Role of Dibutylhydroxytoluene Processing Additive in Enhancing Efficiency and Stability of Planar Perovskite Solar Cells”, ACS Appl. Mater. Interfaces, 2019, 11(42), 38828-38837 Link

45. J. Lee, C. Kim, K. Choi, J. Seo, Y. Choi, W. Choi, Y.-M. Kim, H. Y. Jeong, J. H. Lee*, G. Kim*, and H. Park*, “In-Situ Coalesced Vacancies on MoSe2 Mimicking Noble Metal: Unprecedented Tafel Reaction in Hydrogen Evolution”, Nano Energy, 2019, 63, 103846 Link

44. S. Jung, H. H. Yoon, H. Jin, K. Mo, G. Choi, J. Lee, H. Park, and K. Park*, “Reduction of Water-Molecule-Induced Current-Voltage Hysteresis in Graphene Field Effect Transistor with Semi-Dry Transfer Using Flexible Supporter”, J. Appl. Phys., 2019, 125(18), 184302 Link

43. U. Kim, K. Choi, K. H. Park, J. Lee, Y. Choi, J. Seo, N. K. Oh, S. Jung, H. Yang, J. H. Lee*, C. Yang*, and H. Park*, “Size Fractionation of Graphene Oxide via Solvent‐Mediated Consecutive Charge Manipulation and Investigation of the Size Effect as Hole Transporting Layer in Perovskite Solar Cells”, ChemNanoMat, 2019, 5(6), 776-783 Link

42. Y. Choi†, S. Jung†, N. K. Oh, J. Lee, J. Seo, U. Kim, D. Koo, and H. Park*, “Enhanced charge transport via metallic 1T phase transition metal dichalcogenides-mediated hole transport layer engineering for perovskite solar cells”, ChemNanoMat, 2019, 5(8), 1050-1058 Link

41. N. K. Oh, C. Kim, J. Lee, O. Kwon, Y. Choi, G. Y. Jung, H. Y. Lim, S. K. Kwak*, G. Kim*, and H. Park*, “In-situ Local Phase-Transitioned MoSe2 in La0.5Sr0.5CoO3-δ Heterostructure and Stable Overall Water Electrolysis over 1000 hours”, Nat. Commun., 2019, 10, 1723 Link

40. B. H. Kim, H. Bae, H. Park, H. Lee, P. Ercius*, and J. Park*, “Rational design and observation of the tight interface between graphene and ligand protected nanocrystals”, Phys. Chem. Chem. Phys., 2019, 21(1), 329-335 Link

39. J. Seo, J. Lee, G. Jeong, and H. Park*, “Site-Selective and van der Waals Epitaxial Growth of Rhenium Disulfide on Graphene”, Small, 2019, 15(2), 1804133 Link

38. G. Jeong†, S. Jung†, Y. Choi, J. Lee, J. Seo, D. S. Kim*, and H. Park*, “Highly Robust and Stable Graphene-Encapsulated Cu-Grid Hybrid Transparent Electrode Demonstrating Superior Performance in Organic Solar Cells”, J. Mater. Chem. A, 2018, 6(48), 24805-24813 Link

37. D. Koo†, S. Jung†, N. K. Oh, Y. Choi, J. Seo, J. Lee, U. Kim, and H. Park*, “Improved Charge Transport via WSe2-Mediated Hole Transporting Layer toward Efficient Organic Solar Cells”, Semicond. Sci. Technol., 2018, 33(12), 125020 Link

36. S. Jung†, H. Kim†, J. Lee†, G. Jeong, H. Kim, J. Park*, and H. Park*, “Bio-Inspired Catecholamine-Derived Surface Modifier for Graphene-Based Organic Solar Cells”, ACS Appl. Energy Mater., 2018, 1(11), 6463-6468 Link

35. S. Chen, S. Jung, H. J. Cho, N.-H. Kim, S. Jung, J. Xu, J. Oh, Y. Cho, H. Kim, B. Lee, Y. An, C. Zhang, M. Xiao, H. Ki, Z.-G. Zhang, J.-Y. Kim, Y. Li, H. Park*, and C. Yang*, “Highly Flexible and Efficient All-Polymer Solar Cells with High-Viscosity Processing Polymer Additive toward Potential of Stretchable Devices”, Angew. Chem. Int. Ed., 2018, 57(40), 13277-13282 Link

34. J. Lee, J. Seo, S. Jung, K. Park, and H. Park*, “Unveiling the direct correlation between the CVD-grown graphene and the growth template”, J. Nanomater., 2018, 2018, 7610409 Link

33. K. Chung, J. S. Lee, E. Kim, K.-E. Lee, K. Kim, J. Lee, D. Kim, S. O. Kim, S. Jeon, H. Park, D.-W. Kim, and D. H. Kim*, “Enhancing the Performance of Surface Plasmon Resonance Biosensor via Modulation of Electron Density at the Graphene–Gold Interface”, Adv. Mater. Interfaces, 2018, 5(19), 1800433 Link

32. N. K. Oh, H. J. Lee, K. Choi, J. Seo, U. Kim, J. Lee, Y. Choi, S. Jung, J. H. Lee, H. S. Shin*, and H. Park*, “Nafion-Mediated Liquid-Phase Exfoliation of Transition Metal Dichalcogenides and Direct Application in Hydrogen Evolution Reaction”, Chem. Mater., 2018, 30(14), 4658-4666 Link

31. S. M. Lee, K. H. Park, S. Jung, H. Park*, and C. Yang*, “Stepwise heating in Stille polycondensation toward no batch-to-batch variations in polymer solar cell performance”, Nat. Commun., 2018, 9, 1867 Link

31-0. S. M. Lee, K. H. Park, S. Jung, H. Park*, and C. Yang*, “Stepwise heating in Stille polycondensation toward no batch-to-batch variations in polymer solar cell performance”, Protocol Exchange, 2018, doi:10.1038/protex.2018.023 Link

30. S. Jung, J. Lee, J. Seo, U. Kim, Y. Choi, and H. Park*, “Development of Annealing-Free, Solution-Processable Inverted Organic Solar Cells with N-Doped Graphene Electrodes using Zinc Oxide Nanoparticles”, Nano Lett., 2018, 18(2), 1337-1343 Link

29. Y.-T. Kim, H. Min, J. Lee, H. Park, and C. Y. Lee*, “Probing sub-diffraction optical confinement via polarized Raman spectroscopy of a single-walled carbon nanotube”, Nanoscale, 2018, 10(3), 1030-1037 Link

28. W. K. Park, Y. Yoon, Y. H. Song, S. Y. Choi, S. Kim, Y. Do, J. Lee, H. Park*, D. H. Yoon*, and W. S. Yang*, “High-efficiency exfoliation of large-area mono-layer graphene oxide with controlled dimension”, Sci. Rep., 2017, 7, 16414 Link

27. Y. Choi†, J. Lee†, J. Seo†, S. Jung, U. Kim, and H. Park*, “The Effect of the Graphene Integration Process in the Performance of Graphene-based Schottky Junction Solar Cells”, J. Mater. Chem. A, 2017, 5(35), 18716-18724 Link

26. S. Jung, J. Lee, Y. Choi, S. M. Lee, C. Yang*, and H. Park*, “Improved Interface Control for High-Performance Graphene-based Organic Solar Cells”, 2D Mater., 2017, 4, 045004 Link

25. K. H. Park†, Y. An†, S. Jung†, H. Park*, and C. Yang*, “Locking-In Optimal Nanoscale Structure Induced by Naphthalenediimide-Based Polymeric Additive Enables Efficient and Stable Inverted Polymer Solar Cells”, ACS Nano, 2017, 11(7), 7409-7415 Link

24. S. J. Lee, Y. Kim, J.-Y. Hwang, J.-H. Lee, S. Jung, H. Park, S. Cho, S. Nahm, W. S. Yang, H. Kim*, and S. H. Han*, “Flexible Indium–Tin Oxide Crystal on Plastic Substrates Supported by Graphene Monolayer”, Sci. Rep., 2017, 7, 3131 Link

23. J. Seo, J. Lee, A.-R. Jang, Y. Choi, U. Kim, H. S. Shin, and H. Park*, “Study of Cooling Rate on the Growth of Graphene via Chemical Vapor Deposition”, Chem. Mater., 2017, 29(10), 4202-4208 Link

22. W. K. Park, Y. Yoon, S. Kim, S. Y. Choi, S. Yoo, Y. Do, S. Jung, D. H. Yoon*, H. Park*, and W. S. Yang*, “Toward Green Synthesis of Graphene Oxide Using Recycled Sulfuric Acid via Couette–Taylor Flow”, ACS Omega, 2017, 2(1), 186-192 Link

21. J. H. Choi, J. Lee, S. M. Moon, Y.-T. Kim, H. Park*, and C. Y. Lee*, “A Low-Energy Electron Beam Does Not Damage Single-Walled Carbon Nanotubes and Graphene”, J. Phys. Chem. Lett., 2016, 7(22), 4739-4743 Link

20. K. H. Park, Y. An, S. Jung, H. Park*, and C. Yang*, “The use of n-type macromolecular additive as a simple yet effective tool for improving and stabilizing the performance of organic solar cells”, Energy Environ. Sci., 2016, 9(11), 3464-3471 Link

19. J.-I. Lee†, H. Kang†, K. H. Park†, M. Shin, D. Hong, H. J. Cho, N.-R. Kang, J. Lee, S. M. Lee, J.-Y. Kim, C. K. Kim, H. Park, N.-S. Choi, S. Park*, and C. Yang*, “Amphiphilic Graft Copolymers as a Versatile Binder for Various Electrodes of High-Performance Lithium-Ion Batteries”, Small, 2016, 12(23), 3119–3127 Link

18. J. Park, H. Park, P. Ercius, A. F. Pegoraro, C. Xu, J. W. Kim, S. H. Han, and D. A. Weitz*, “Direct Observation of Wet Biological Samples by Graphene Liquid Cell Transmission Electron Microscopy”, Nano Lett., 2015, 15(7), 4737–4744 Link

17. Y. Zhou*†, J. Park†, J. Shi, M. Chhowalla, H. Park, D. A. Weitz, and S. Ramanathan, “Control of Emergent Properties at a Correlated Oxide Interface with Graphene”, Nano Lett., 2015, 15(3), 1627–1634 Link

16. A. M. Eltony*, H. Park, S. X. Wang, J. Kong, and I. L. Chuang, “Motional Heating in a Graphene-Coated Ion Trap”, Nano Lett., 2014, 14(10), 5712-5716 Link

15. H. Park†, S. Chang†, X. Zhou, J. Kong*, T. Palacios*, and S. Gradečak*, “Flexible Graphene Electrode-Based Organic Photovoltaics with Record-High Efficiency”, Nano Lett., 2014, 14(9), 5148-5154 Link

14. S. Chang†, H. Park†, J. Cheng, P. Rekemeyer, and S. Gradečak*, “Improved Efficiency in Organic/Inorganic Hybrid Solar Cells by Interfacial Modification of ZnO Nanowires with Small Molecules”, Journal of Physics D: Applied Physics, 2014, 47, 394016 Link

13. H. Park, and J. Kong*, “Alternative hole transport layer for both ITO- and graphene-based organic solar cells”, Adv. Energy Mater., 2014, 4, 1301280 Link

12. H. Park, Y. Shi, and J. Kong*, “Application of Solvent Modified PEDOT:PSS to Graphene Electrodes in Organic Solar Cells”, Nanoscale, 2013, 5(19), 8934-8939 Link

11. X. Li, D. Xie, H. Park, T. H. Zeng, K. Wang, J. Wei, M. Zhong, D. Wu, J. Kong, and H. Zhu*, “Anomalous Behaviors of Graphene Transparent Conductors in Graphene-Silicon Heterojunction Solar Cells”, Adv. Energy Mater., 2013, 3(8), 1029-1034 Link

10. H. Park, S. Chang, M. Smith, S. Gradečak, and J. Kong*, “Interface Engineering of Graphene for Universal Applications as Both Anode and Cathode in Organic Solar Cells”, Sci. Rep., 2013, 3, 1581 Link

9. X. Li, D. Xie, H. Park, M. Zhu, T. H. Zeng, K. Wang, J. Wei, D. Wu, J. Kong, and H. Zhu*, “Ion doping of graphene for high-efficiency heterojunction solar cells”, Nanoscale, 2013, 5(5), 1945-1948 Link

8. H. Park†,S. Chang†, J. Jean, J. J. Cheng, P. T. Araujo, M. Wang, M. G. Bawendi, M. S. Dresselhaus, V. Bulović, J. Kong, and S. Gradečak*, “Graphene Cathode-based ZnO Nanowire Hybrid Solar Cells”, Nano Lett., 2013, 13(1), 233-239 Link

7. K.-J. Lee, H. Park, J. Kong, and A. Chandrakasan, “Demonstration of a Subthreshold FPGA using Monolithically Integrated Graphene Interconnects”, IEEE Trans. Electron Devices, 2013, 60(1), 383-389 Link

6. H. Park, R. M. Howden, M. C. Barr, V. Bulović, K. Gleason*, and J. Kong*, “Organic Solar Cells with Graphene Electrodes and Vapor Printed Poly(3,4-ethylenedioxythiophene) as the Hole Transporting Layers”, ACS Nano, 2012, 6(7), 6370-6377 Link

5. H. Park, P. R. Brown, V. Bulović, and J. Kong*, “Graphene as Transparent Conducting Electrodes in Organic Photovoltaic: Studies in Graphene Morphology, Hole Transporting Layers, and Counter Electrodes”, Nano Lett., 2012, 12(1), 133-140 Link

4. H. Park, J. A. Rowehl, K. K. Kim, V. Bulović, and J. Kong*, “Doped graphene electrodes for organic solar cells”, Nanotechnology, 2010, 21, 505204 Link

3. K. K. Kim, A. Reina, Y. Shi, H. Park, L.-J. Li, Y. H. Lee*, and J. Kong*, “Enhancing the conductivity of transparent graphene films via doping”, Nanotechnology, 2010, 21, 285205 Link

2. R. J. Gilbert, H. Park, M. Rasponi, A. Redaelli, B. Gellman, K. A. Dasse, and T. Thorsen*, “Computational and functional evaluation of a microfluidic blood flow device”, ASAIO Journal, 2007, 53(4), 447-455 Link

1. H. Park, and K. R. Karim*, “Electron momentum distribution in multiply-ionized atoms as a function of atomic number and degree of ionization,” Physica Scripta, 2006, 73(1), 30-39 Link