PUBLICATIONS
67. B. Jo, K. Seo, K. Park, C. Jeong, B. Poornaprakash, M. Lee, S. Ramu*, M. G. Hahm*, Y. L. Kim*, "Trap-assisted monolayer ReSe2/Si heterojunction with high photoconductive gain and self-driven broadband photodetector", Frontiers in Materials, 11, 1354522 (2024)
66. Nicole Joy Bassous, Ashly Corona Rodriguez, Celina Ivonne Lomeli Leal, Hyun Young Jung, Chang Kee Lee, Sangwon Joo, Sumin Kim, Changhun Yun, Myung Gwan Hahm, Myoung-Hwan Ahn, Sang-Woo Kim, Young Suk Oh*, Su Ryon Shin*, Significance of Various Sensing Mechanisms for Detecting Local and Atmospheric Greenhouse Gases: A Review, Advanced Sensor Research, 3(2), 2300094 (2023)
65. Ramu Singiri, Dong Won Shin, Beomsu Jo, Poornaprakash Bathalavaram, Moonsang Lee*, Myung Gwan Hahm*, Young Lae Kim*, Photoelectric Characteristics of Isotype Heterostructure p-WSe2/p-Si Photodetector with Improved Photoresponsivity and Detectivity, ACS Appl. Electron. Mater. 5(9), 4778 (2023)
64. Jina Bak, Seunggyu Kim, Kyumin Park, Jeechan Yoon, Mino Yang, Un Jeong Kim, Hideo Hosono, Jihyang Park, Bolim You, Ojun Kwon, Byungjin Cho, Sang-Won Park*, Myung Gwan Hahm*, and Moonsang Lee*, Reinforcing synaptic plasticity of defect-tolerant states in alloyed 2D artificial transistors, ACS Appl. Mater. & Inter. 15(33), 39539 (2023)
63. Jihyang Park, Seunggyu Kim, Mino Yang, Hideo Hosono, Kyumin Park, Jeechan Yoon, Jina Bak, Bolim You, Sang-Won Park*, Myung Gwan Hahm*, and Moonsang Lee*, Nature of photoconductivity in self-powered single atomic-layered Nb-doped WSe2 phototransistors, ACS Photonics, 10(8), 2930 (2023)
62. J. C. Yoon, B. L. You, Y. N. Kim, J. N. Bak, M. N. Yang, J. H. Park, M. G. Hahm, M. S. Lee "Environmentally Stable and Reconfigurable Ultralow-Power Two-Dimensional Tellurene Synaptic Transistor for Neuromorphic Edge Computing", ACS Applied Materials & Interfaces, 15(14), 18463-18472 (2023) - Corresponding author
61. S. Gao, S. Hong, S. Park, H. Y. Jung, W. Liang, Y. Lee, C. W. Ahn, J. Y. Byun, J. Seo, M. G. Hahm, H. Kim, K. Kim, Y. Yi, H. Wang, M. Upmanyu, S. Lee, Y. Homma, H. Terrones, and Y. J. Jung, "Catalyst-free Synthesis of sub-5nm Silicon Nanowire Arrays with Massive Lattice Contraction and Wide bandgap", Nature Communications, 13, 3467 (2022)
60. Chenrayan Senthil, S. G. Kim, S. S. Kim, M. G. Hahm, H. Y. Jung "Robust, Ultrasmooth Fluorinated Lithium Metal Interphase Feasible via Lithiophilic Graphene Quantum Dots for Dendrite-Less Batteries", Small, 18, 2200919 (2022) - Corresponding author
59. U. J. Kim, S. H. Nam, J. Y. Seo, Qundong Fu, Zheng Liu, H. B. Son, M. S. Lee, M. G. Hahm "Visualizing Line Defects in non-van der Waals Bi2O2Se using Raman Spectroscopy", ACS Nano, 16, 3637 (2022) - Corresponding author
58. J. Y. Seo, S. H. Nam, M. S. Lee, J. Y Kim, S. G. Kim, C. K. Park, D. W. Seo, Y. L. Kim, S. S. Kim, U. J. Kim, M. G. Hahm "Gate-controlled gas sensor utilizing 1D–2D hybrid nanowires network", iScience, 25, 103660 (2022) - Corresponding author
57. R.K. Biroju, P. Harrison, W. Theis, N. V. Rees, R. Sharma, T. N. Narayanan, M. G. Hahm "Pt147 nanoclusters soft-landed on WS2 nanosheets for catalysis and energy harvesting", ACS Applied Nano Materials, 4(12), 13140-13148 (2021)
56. M. S. Lee, S. H. Nam, B. J. Cho, O. J. Kwon, H. U. Lee, M. G. Hahm, U. J. Kim, and H. B. Son "Accelerated learning in wide bandgap AlN artificial photonic synaptic devices: Impact on suppressed shallow trap level", Nano Letters, 21, 7879 (2021) - Corresponding author
55. B. Poornaprakash, H. Park, K. Subramanyam, S.V. Prabhakar Vattikuti, K. C. Devarayapalli, S. H. Nam, Y. L. Kim, M. Siva Pratap Reddy, M. G. Hahm, V. R. M. Reddy "Doping-induced photocatalytic activity and hydrogen evolution of ZnS: V nanoparticles", Ceramics International, 47, 18, 26438-26446 (2021) - Corresponding author
54. J. H. Kim, H. W. Park, Ali Mirzaei, M. G. Hahm, S. H. Ahn, Marcus Halik, C. K. Park, S. S. Kim "How femtosecond laser irradiation can affect the gas sensing behavior of SnO2 nanowires toward reducing and oxidizing gases", Sensors and Actuators B : Chemical, Volume 342, 130036 (2021)
53. M. Lee, W. Park, H. Son, J. Seo. O. kwon, S. Oh, M. G Hahm, U. J. Kim, and B. Cho "Brain-inspired ferroelectric Si Nanowire synaptic device", APL Materials, 9, 031103 (2021) - Corresponding author
52. H. Kim, S. Gao, M. G. Hahm, C. W. Ahn, H. Y. Jung, and Y. J. Jung, "Graphitic Nanocup Architectures for Advanced Nanotechnology Applications", Nanomaterials, 10, 1862 (2020)
51. M. Lee, H. Son, H. Lee, J. Moon, H. Kim, J. Park, Z. Liu, M. G. Hahm, M. Yang, and U. J. Kim, "Nanovoid-driven highly crystalline aluminum nitride and its application in solar-blind UV photodetectors", Journal of Materials Chemistry C, 8, 14431 (2020) - Corresponding author
50. W. Shin, C. Park, J. Seo, D. Jung, E. Choi, M. Lee, U. J. Kim, M. G. Hahm, and Y. Kim, "Tribological characteristics of atomic-scale niobium diselenide grown via chemical vapor deposition", Applied Physics Express, 13, 105004 (2020) - Corresponding author
49. M. lee, Y. Shin, H. U. Lee, Y. Jeong, M. G. Hahm, and J. Kim, "Origin of high quantum efficiency in Si-based homoepitaxial InGaN/GaN light-emitting diodes", Journal of Physics D: Applied Physics, 53, 375102 (2020) - Corresponding author
48. M. Lee, C. W. Ahn, T. K. O. Vu, H. U. Lee, Y. Jeong, M. G. Hahm, E. K. Kim, and S. Park, "Current Transport Mechanism in Palladium Schottky Contact on Si-based Freestanding GaN", Nanomaterials, 10, 297 (2020) - Corresponding author
47. M. Lee, D. Lee, H. Baik, H. Kim, Y. Jeong, M. Yang, H. U. Lee, M. G. Hahm, and J. Kim, "Highly Efficient Excitonic Recombination of Non-polar (1120) GaN Nanocrystals for Visible Light Emitter by Hydride Vapour Phase Epitaxy", Scientific Reports, 10, 2076 (2020) - Corresponding author
46. M. J. Kang, J. -Y. Kim, J. Seo, S. Lee, C. Park, S. -M. Song, S. S. Kim, and M. G. Hahm, "Atomic-Latered Tungsten Diselenide-Based Porous 3D Architecturing for Highly Sensitive Chemical Sensors", Physica status solidi (RRL), 13 (2019) - Corresponding author
45. D. M. Seo, J. -H. Lee, S. Lee, J. Seo, C. Park, J. Nam, Y. Park, S. Kin, S. Srivastava, M. Kumar, Y. M. Jung, K. -H. Lee, Y. -J. Kim, S. Yoon, Y. L. Kim, P. M. Ajayan, B. K. Gupta, and M. G. Hahm, "Ultrafast Excitonic Behavior in Two-Dimensional Metal-Semiconductor Heterostructure", ACS Photonics, 6, 1379 (2019) - Corresponding author
44. J. Seo, K. -J. Hwang, S. -I. Bail, S. Lee, B. Cho, E. Jo, M. Choi, M. G. Hahm, and Y. -J. Kim, "Three-Dimensional Atomistic Tomography of W-Based Alloyed Two-Dimensional Transition Metal Dichalcogenides", ACS Applied Materials and Interfaces, 10, 30640-30648 (2018) - Corresponding author
43. Y. Kim, A. R. Kim. G. Zhao, S. Y. Choi, S. C. Kang, S. K. Lim, K. E. Lee, J. Park, B. H. Lee, M. G. Hahm, D. Kim, J. Yun, K. H. Lee, and B. Cho, "Wafer-scale Integration of Highly Uniform and Scalable MoS2 Transistors", ACS Applied Materials and Interfaces, 9, 3746-37153 (2017)
42. D. M. Seo, M. G. Hahm, Y. L. Kim, "Bundle Size Engineering of Single-Walled Carbon Nanotubes on Silica Nanoparticles", Journal of Nanomaterials, 2017 (2017) - Corresponding author
41. S. Y. Choi, Y. Kim, H. S. Kim, A. R. Kim, J. D. Kwon, J. Park. Y. L. Kim, S. H. Kwon, M. G. Hahm, and B. Cho, "Effect of Nb Doping on Chemical Sensing Performance of Two-Dimensional Layered MoSe2", ACS Applied Materials and Interfaces, 9, 3817-3823 (2017) - Corresponding author
40. F. Huang, B. Cho, H. Chung, S. B. Son, J. H. Kim, T. Bae, H. J. Yun, J. I. Sohn, K. H. Oh, M. G. Hahm, J. H. Park, and W. Hong, "The influence of interfacial tensile strain on the charge transport characteristics of MoS2-based vertical heterojunction devices", Nanoscale, 8, 17598-17607 (2016)
39. Y. Cho, A. Sohn, S. Kim, M. G. Hahm, D. Kim, B. Cho, and D. W. Kim, "Influences of Gas Adsorption and Au Nanoparticles on Electrical Properties of CVD-grown MoS2 Thin Films", ACS Applied Materials and Interfaces, 8, 21612-21617 (2016)
38. Y. Kim, A. R. Kim, J. H. Yang, K. E. Chang, J. Kwon, S. Y. Choi, K. H. Lee, B. H. Lee, M. G. Hahm, and B. Cho, "Alloyed 2D Metal-Semiconductor Heterojunctions: Origin of Interface States Reduction and Schottky Barrier Lowering", Nano Letters, 16, 5928-5933 (2016) - Corresponding author
37. S. Patra, S. Ravulapalli, M. G. Hahm, K. K. Tadi, T. N. Narayanan, "On the Development of Multifunctional Luminescent Supramolecular Hydrogel of Gold and Egg White", Nanotechnology, 27, 415603 (2016)
36. T. V. Veenish, M. Suhail, M. G. Hahm, V. Prabu, S. Alwarappan, T. N. Narayanan, "Controllably Alloyed, Low Density, Free-standing Ni-Co and Ni-Graphene Sponges for Electrocatalytic Water Splitting", Scientific Reports, 6, 31202 (2016)
35. S. Lim*, B. Cho*, J. Bae, A. R. Kim, K. H. Lee, S. H. Kim, M. G. Hahm, and J. Nam, "Electrohydrodynamic printing for scalable MoS2 flake coating: application to gas sensing device", Nanotechnology, 27, 435501 (2016) - Corresponding author
34. A. R. Kim, B. Cho, D. J. Kim, H. Chung, S. Y. Choi, J. Kwon, S. W. Park, Y. H. Kim, B. H. Lee, K. H. Lee, D. Kim, J. Nam, and M. G. Hahm, “Two-Dimensional Atomic-Layered Alloy Junctions for High-Performance Wearable Chemical Sensor”, ACS Applied Materials and Interfaces, 8, 19635–19642 (2016) - Corresponding author
33. A. R. Kim*, J. Nam*, Y. H. Kim*, J. Chung, D. J. Kim, J. Kwon, S. W. Park, J. Park, S. Y. Choi, B. H. Lee, J. H. Park, K. H. Lee, D. Kim, P. M. Ajayan, M. G. Hahm, and B. Cho, “Alloyed 2D metal-semiconductor atomic layer junctions”, *equally contribution, Nano Letters, 16, 1890-1895 (2016) - Corresponding author
32. B. K. Gupta, G. Kedawat, P. Kumar, N. Agrawal, A. R. Kim, G. Gupta, R. K. Gupta, D. J. Late, M. G. Hahm, "High performance field emission gadget utilizing highly ordered low-aspect ratio carbon nanocup arrays", RSC Advances, 6, 9932-9939 (2016) - Corresponding author
31. B. Cho, J. Yoon, S. K. Lim, A. R. Kim, S. Y. Choi, D. Kim, K. H. Lee, B. H. Lee, H. C. Ko, and M. G. Hahm, “Metal decoration effect on gas-sensing properties of 2D hybrid-structure on flexible substrate”, Sensors, 15, 24903-24913 (2015) - Corresponding author
30. B. Cho*, J. Yoon*, S. K. Lim, A. R. Kim, D. Kim, S. Park, J. Kwon, Y. Lee, K. Lee, B. H. Lee, H. C. Ko, and M. G. Hahm, “Chemical Sensing of 2D Graphene/MoS2 Heterostructure Device”, *Equally contribution, ACS Applied Materials and Interfaces, 7, 16775-16780 (2015) - Corresponding author
29. M. G. Hahm*, J. Nam*, M. Choi, C. Park, B. Cho, S. Kazunori, Y. A. Kim, D. Y. Kim, M. Endo, P. M. Ajayan, and S. M. Song, “Low interfacial contact resistance of Al-graphene composites via interfacial engineering”, *Equally contribution, Nanotechnology, 26, 215603 (2015) - Corresponding author
28. B. Cho*, M. G. Hahm*, M. Choi, J. Yoon, A. R. Kim, Y. Kim, S. Park, J. Kwon, C. S. Kim, M. Song, Y. Jeong, K. Nam, S. Lee, T. J. Yoo, C. G. Kang, B. H. Lee, H. C. Ko, P. M. Ajayan, and D. Kim, “ Charge-transfer-based gas sensing using atomic-layer MoS2”, *Equally contribution, Scientific Reports, 5, 8052 (2015) - Corresponding author
27. B. Cho, A. R. Kim, Y. Park, J. Yoon, Y. Lee, S. Lee, T. J. Yoo, C. G. Kang, B. H. Lee, H . C. Ko, D. Kim, and M. G. Hahm, “Bi-functional Sensing Characteristics of Chemical Vapor Deposition Synthesized Atomic-Layered MoS2”, ACS Applied Materials and Interfaces, 26, 215603 (2015) - Corresponding author
26. A. P. Singh, M. Mishra, D. P. Hashim, T.N. Narayanan, M. G. Hahm, P. Kumar,J. Dwivedi, G. Kedawat, A. Gupta, B. P. Singh, A. Chandra, R. Vajtai, S. K. Dhawan, P. M. Ajayan, and B. K. Gupta, “Probing the engineered sandwich network of vertically aligned carbon nanotube-reduced graphene oxide composites for high performance electromagnetic interference shielding applications”, Carbon, 85, 79-88 (2014)
25. B. Cho, J. Yoon, M. G. Hahm, D. Kim, A. R. Kim, Y. H. Kahng, S. Park, Y. Lee, S. Park, J. Kwon, C. S. Kim, M. Song, Y. Jeong, K. Nam and H. C. Ko, “Graphene-based Gas Sensor: metal decorated effect and application to a flexible device”, Journal of Materials Chemistry C, 2, 5280-5285 (2014)
24. D. P. Cole, A. L. M. Reddy, M. G. Hahm, R. McCotte, A. H. C. Hart, R. Vajtai, P. M. Ajayan, S. P. Karna, and M. L. Bundy, "Electromechanical Properties of Polymer Electrolyte-Based Stretchable Supercapacitors”, Advanced Energy Materials, 4, 1300844 (2014)
23. M. G. Hahm, J. Lee, D. P. Hashim, S. M. Song, A. Church, C. Park, Y. Zhao, N. T. Narayanan, Y. A. Kim, T. Hayashi, B. Li, Y. J. Jung, R. Vajtai, M. Endo, E. Thomas, and P.M. Ajayan, “Carbon Nanotube Core Graphitic Shell Hybrid Fibers”, ACS Nano, 7, 10971-10977 (2013) - Corresponding author
22. B. J. Carey, P. K. Patra, M. G. Hahm, and P. M. Ajayan, “Foam-Like Behavior in Compliant, Continuously Reinforced Nanocomposites”, Advance Functional Materials, 23, 3002-3007 (2013)
21. Z. Yan, L. Ma, Y. Zhu, I. Lahiri, M. G. Hahm, Z. Liu, S. Yang, C. Xiang, W. Lu, Z. Peng, Z. Sun, J. Lou, W. Choi, P. M. Ajayan, and J. M. Tour, “Three-dimensional Metal-Graphene-Nanotube Multifunctional Hybrid materials”, ACS Nano, 7, 58-64 (2012)
20. H. Y. Jung, M. Bigdeli, M. G. Hahm, P. M. Ajayan, and Y. J. Jung, “Transparent and Flexible Supercapacitors from Nanoengineered Carbon Films”, Scientific Reports, 2, 773 (2012)
19. M. G. Hahm, L. M. Reddy, D. P. Cole, M. Rivera, J. A. Vento, J. Nam, H. Y. Jung, Y. Kim, N. T. Narayanan, D. P. Hashim, C. Galande, Y. J. Jung, M. Bundy, R. Vajtai, and P. M. Ajayan, “Carbon Nanotubes-Nanocups Hybrid Structures for High Power Supercapacitor Applications”, Nano Letters, 12, 5616-5621 (2012) - Corresponding author
18. S. H. Lee*, M. G. Hahm*, R. Vajtai, D. P. Hashim, T. Thurakitseree, A. C. Chipara, P. M. Ajayan, and J. H. Hafner, “Utilizing 3D SERS Active Volumes in Aligned Carbon Nanotube Scaffold Substrates”, *Equally contribution, Advanced Materials, 24, 5261-5266 (2012)
17. N. T. Narayanan, B. P. Mandal, A. K. Tyagi, A. Kumarasiri, Xaiobo Zhan, M. G. Hahm, M. R. Anantharaman, G. Lawes, and P. M. Ajayan, “Hybrid Multiferroic Nanostructure with Magnetic-Dielectric Coupling”, Nano Letters, 12, 3025-3030 (2012)
16. D. P. Hashim, J. M. Romo-Herrera, D. A. Cullen, N. T. Narayanan, M. G. Hahm, P. Lezzi, J. R. Suttle, D. Kelkhoff, E. Munoz-Sandoval, S. Ganguli, A. K. Roy, D. J. Smith, R. Vajtai, H. Terrones, M. Terrones, and P. M. Ajayan, “Covalent Bonded Three-dimensional Carbon Nanotubes Solids via Boron Induced Nanojunctions”, Scientific Reports, 2, 363 (2012)
15. M. G. Hahm, H. Wang, H. Y. Jung, S. Hong, S. Lee, S. Kim, M. Upmanyu, and Y. J. Jung, “Bundling Dynamics Regulates the Active Mechanics and Transport in Carbon Nanotube Networks and their Nanocomposites”, Nanoscale, 4, 3584-3590 (2012)
14. O. Park, M. G. Hahm, S. Lee, H. Joh, S. Na, R. Vajtai, J. H. Lee, B. Ku and P. M. Ajayan, “In Situ Synthesis of Thermochemically Reduced Graphene Oxide Conducting Nanocomposites”, Nano Letters, 12, 1789-1793 (2012)
13. T. J. Simmons, D. P. Hashim, X. Zhen, M. Bravo-Sanchez, M. G. Hahm, E. Lopez-Luna, P. M. Ajayan, H. Navarro-Contreras, and M. A. Vidal, “Functionalization of Nitrogen-doped Carbon Nanotubes with gallium to form Ga-CNx-multi-wall Carbon Nanotube Hybrid Materials”, Nanotechnology, 23, 325601 (2012)
12. M. G. Hahm, D. P. Hashim, R. Vajtai, and P. M. Ajayan, “A Review: Controlled Synthesis of Vertically Aligned Carbon Nanotubes”, Carbon Letters, 12, 185-193 (2011)
11. B. Li*, M. G. Hahm*, Y. Kim, H. Y. Jung, S. Kar, and Y. J. Jung, “Highly Organized Two- and Three-Dimensional Single-Walled Carbon Nanotubes-Polymer Hybrid Architectures”, *Equally Contribution, ACS Nano, 5, 4826-4834 (2011)
10. B. Li, Y. Kim, H. Wang, H. Y. Jung, T. Kim, M. G. Hahm, M. Upmanyu, A. Busnaina, and Y. J. Jung, “Ultrathin SWNT Films with Tunable, Anisotropic Transport Properties”, Advanced Functional Materials, 21, 1810-1815 (2011)
9. M. G. Hahm, Y. Kwon, A. Busnaina, and Y. J. Jung, “Structure Controlled Synthesis of Vertically Aligned Carbon Nanotubes using Thermal Chemical Vapor Deposition Process”, Journal of Heat Transfer, 133, 031001 (2010)
8. S. Somu, H. Wang, Y. Kim, L. Jaberansari, M. G. Hahm, B. Li, T. Kim, X. Xiong, Y. J. Jung, M. Upmanyu, and A. Busnaina, “Topological Transitions in Carbon Nanotubes Networks via Nanoscale Confinement”, ACS Nano, 4, 4142-4148 (2010)
7. Y. Kim, B. Li, X. An, M. G. Hahm, L. Chen, M. Washingotn, P. M. Ajayan, S. K. Nayak, A. Busnaina, S. Kar, and Y. J. Jung, “Highly Aligned Scalable Platinum-Decorated Single-Wall Carbon Nanotube Arrays for Electrical Nanoscale Interconnects”, ACS Nano, 3, 2818-2826 (2009)
6. H. Chun*, M. G. Hahm*, Y. Homma, R. Meritz, K. Kuramochi, L. Menon, L. Ci, P. M. Ajayan, and Y. J. Jung, “Engineering Low-Aspect Ratio Carbon Nanostructures: Nanoups, Nanorings and Nanocontainers”, *Equally Contribution, ACS Nano, 3, 1274-1278 (2009)
5. L. Jaberansari, M. G. Hahm, T. Kim, S. Somu, A. Busnaina, and Y. J. Jung, “Large Scale Highly Organized Single-Walled Carbon Nanotube Network for Electrical Devices”, Applied Physics A, 96, 373-377 (2008)
4. L. Jaberansari, M. G. Hahm, S. Somu, Y. Echegoyen, A. Busnaina, and Y. J. Jung, “Mechanism of Very Large Scale Assembly of SWNTs in Template Guided Fluidic Assembly Process”, Journal of American Chemical Society, 131, 804-808 (2008)
3. Z. Wu, M. G. Hahm, Y. J. Jung, and L. Menon, “Epitexially Grown GaN Nanowire Networks”, Journal of Materials Chemistry, 19, 463-467 (2008)
2. M. G. Hahm, Y. Kwon, E. Lee, C. W. Ahn, and Y. J. Jung, “Diameter Selective Growth of Vertically Aligned Single Walled Carbon Nanotubes and Study on Their Growth Mechanisms”, The Journal of Physical Chemistry C, 112, 17143-17147 (2008)
1. X. Xiong, L. Jaberansari, M. G. Hahm, A. Busnaina, and Y. J. Jung, “Building Highly Organized Single-Walled Carbon Nanotube Networks using Template Guided Fluidic Assembly”, Small, 3, 2006-2010 (2007)