2023

1. Abbey, S., Jang, H., Frimpong, B., Kumar, N., Nam, W. H., Park, J. H., Hong, K. H., ... & Oh, M. W. (2023). Twisted grain boundary leads to high thermoelectric performance in tellurium crystals. Energy & Environmental Science, 16(1), 125-137. 


2. Ha, Y., Son, Y., Paik, D., Hong, K. H., & Kim, H.  "Effect of Surface Termination on Carrier Dynamics of Metal Halide Perovskites: Ab Initio Quantum Dynamics Study." Electronic Materials Letters (2023): 1-10. 


3. Ryu, D. H., Khan, N., Park, J. G., Paik, D., Kang, B. J., Jeon, N. J., Hong, K. H., ... & Song, C. E.  "Morphology and Performance Enhancement through the Strong Passivation Effect of Amphoteric Ions in Tin‐based Perovskite Solar Cells." Small (2023): 2302418. 


4. Park, S. W., Heo, J. H., Lee, H. J., Kim, H., Im, S. H., & Hong, K. H.  "Compositional Design for High-Efficiency All-Inorganic Tin Halide Perovskite Solar Cells." ACS Energy Letters 8.12 (2023): 5061-5069. 


5. Park, J. K., Heo, J. H., Lee, H. J., Kim, B. W., Park, S. W., Hong, K. H., & Im, S. H.  "Energy-well band structure for enhanced exciton confinement effect in perovskite light-emitting diodes via spray-coating." Journal of Alloys and Compounds 965 (2023): 171499. 

2022

1. Ryu, Hoon, and Ki Ha Hong. "Lhp synthesis simulating method and apparatus." U.S. Patent Application No. 17/285,570. 

2. Kwon H G, Ryu J, Park J- G, Park S W, Kwon O P, Hong K- H and Kim S W 2022 Fabrication of Colloidal Cesium Metal Halide (CsMX: M = Fe, Co, and Ni) Nanoparticles and Assessment of Their Thermodynamic Stability by DFT Calculations Inorg. Chem. 61 14361–7


3. Park J- G, Park S W and Hong K- H 2022 High-throughput screening of perovskite inspired bismuth halide materials: toward lead-free photovoltaic cells and light-emitting diodes Nanotechnology 33


4. Khan N, Ryu D H, Park J- G, Lee H K, Lee S K, Shin W S, Lee J C, Hong K- H, Im S H and Song C E 2022 Bromide Incorporation Enhances Vertical Orientation of Triple Organic Cation Tin-Halide Perovskites for High-Performance Lead-Free Solar Cells Sol. RRL 6 1–10

2021

1. Park, J.-G., & Hong, K.-H. (2021). Dual-Site Compositional Engineering of Bismuth-Based Halide Perovskites for Stable and Efficient Lead-free Solar Cells. The Journal of Physical Chemistry C, 125(24), 13138–13145.

2. Lee, Y., Kim, H., Hong, K.-H., & Cho, K. (2021). Femtosecond Quantum Dynamics of Excited-State Evolution of Halide Perovskites: Quantum Chaos of Molecular Cations. The Journal of Physical Chemistry C, 125(19), 10676–10684.

3. Lyu, M., Park, S., Lee, H., Ma, B. S., Park, S. H., Hong, K.-H., … Park, N.-G. (2021). Simultaneous Enhanced Efficiency and Stability of Perovskite Solar Cells Using Adhesive Fluorinated Polymer Interfacial Material. ACS Applied Materials & Interfaces, 13(30)

4. Kang, S., Park, S., Park, S., Kwon, H., Lee, J., Hong, K.-H., … Park, J. (2021). Achieving green and deep-blue perovskite LEDs by dimensional control using various ammonium bromides with CsPbBr-3. Materials Today Energy, 21, 100749.


5. Yoo, S. H., Jung, K. C., Hong, K. H., Park, K., (2021). Effects of Dislocation Distribution and Carbon Effective Diffusion on Strain Aging Behavior of a Low Carbon Dual Phase Steel. Transactions of Materials Processing, 30(5), 226–235.


6. Y. H. Ha, J-.G Park, K-. H. Hong, H. J. Kim, Enhanced Light Emission through Symmetry Engineering of Halide Perovskites, J. Am. Chem. Soc. 144, 1, 297-305 (2021)

2020

1. Kim, J., Lee, S. H., Im, S. H., & Hong, K. H. (2020). Phase Selection of Cesium Lead Triiodides through Surface Ligand Engineering. Journal of Physical Chemistry Letters, 11(10), 4232–4238. https://doi.org/10.1021/acs.jpclett.0c00499

2. Kim, S., Eom, T., Ha, Y.-S., Hong, K.-H., & Kim, H. (2020). Thermodynamics of Multicomponent Perovskites: A Guide to Highly Efficient and Stable Solar Cell Materials. Chemistry of Materials, 32(10), 4265–4272. https://doi.org/10.1021/acs.chemmater.0c00893

3. Thampy, S., Zhang, B., Hong, K. H., Cho, K., & Hsu, J. W. P. (2020). Altered Stability and Degradation Pathway of CH3NH3PbI3 in Contact with Metal Oxide. ACS Energy Letters, 5(4), 1147–1152. https://doi.org/10.1021/acsenergylett.0c00041

4. Hasan, S. A. U., Lee, D. S., Im, S. H., & Hong, K. H. (2020). Present Status and Research Prospects of Tin-based Perovskite Solar Cells. Solar RRL, 4(2).

https://doi.org/10.1002/solr.201900310

5. Cho, K. S., Jang, H., Oh, J. Y., Kim, J. W., Lee, J. S., Choi, Y., … Chung, C. H. (2020). Effect of the concentration of citrate on the growth of aqueous chemical bath deposited ZnO and application of the film to Cu(In, Ga)Se2 solar cells. Korean Journal of Materials Research, 30(4), 204–210.

https://doi.org/10.3740/MRSK.2020.30.4.204

6. Choi, Y. K., Heo, J. H., Hong, K.-H., & Im, S. H. (2020). Dual-site mixed layer-structured FAxCs3−xSb2I6Cl3 Pb-free metal halide perovskite solar cells. RSC Advances, 10(30), 17724–17730.

https://doi.org/10.1039/d0ra00787k

7. Lee, Y., Kim, H., Hong, K.-H. & Cho, K. Femtosecond quantum dynamics of excited-state evolution of halide perovskites: Quantum chaos of molecular cations. Res. Sq. 1–22.

8. Heo, J. H., Park, J. G., Im, S. H. & Hong, K. H. Interstitial Engineering toward Stable Tin Halide Perovskite Solar Cells. Sol. RRL (2020)

https://doi.org/10.1002/solr.202000513.

9. Kim, H. S., Gu, H. W., Chung, C. H. Song, C. H, Hong, K. -H. (2020) Compositional Engineering of FA-Based Lead Halide Perovskitesfor Shear Coating Processes. ECS Meeting Abstracts, 27(1903).

10. S. Thampy, B Zhang, Park, J.G., Hong, K. H. JWO Hsu. (2020) Bulk and interfacial decomposition of formamidinium iodide (HC (NH 2) 2 I) in contact with metal oxide, Materials Advances 1, 9, (3349-3357).

2019

1. Choe, J., Song, J., Lee, D., Byun, H. R., Jeong, M. S., Chung, C. H., … Kim, J. (2019). Rapid large-grain (>100 μm) formation of organic-inorganic perovskite thin films via shear deposition for photovoltaic application. Solar Energy, 191(June), 629–636.

https://doi.org/10.1016/j.solener.2019.09.008

2. Lee, S., Jang, J., Cho, K. S., Oh, Y. J., Hong, K. H., & Chung, C. H. (2019). Data on lateral collection length of charge carriers depending on pre-white-light soaking process for metal mesh transparent electrode based Cu(In,Ga)Se2 solar cells. Data in Brief, 25, 104407.

https://doi.org/10.1016/j.dib.2019.104407

3. Jeong, J., Song, D., Choe, J., Chung, C. H., & Hong, K. H. (2019). Computational design of highly efficient and robust hole transport layers in perovskite solar cells. Journal of Korean Institute of Metals and Materials, 57(8), 535–542.

https://doi.org/10.3365/KJMM.2019.57.8.535

4. Hong, K. H., Seol, J. B., & Kim, J. H. (2019). First principles determination of formation of a Cr shell on the interface between Y–Ti–O nanoparticles and a ferritic steel matrix. Applied Surface Science, 481(August 2018), 69–74. https://doi.org/10.1016/j.apsusc.2019.03.081

5. Ryu, H., Hong, S., Kim, H. S., & Hong, K. H. (2019). Role of Quantum Confinement in 10 nm Scale Perovskite Optoelectronics. Journal of Physical Chemistry Letters, 10, 2745–2752. rapid-communication. https://doi.org/10.1021/acs.jpclett.9b00645

6. Lee, S., Jang, J., Cho, K. S., Oh, Y. J., Hong, K. H., Song, S., … Chung, C. H. (2019). Determination of the lateral collection length of charge carriers for silver-nanowire-electrode-based Cu(In,Ga)Se2 thin-film solar cells. Solar Energy, 180(November 2018), 519–523.

https://doi.org/10.1016/j.solener.2019.01.059

2018

1. Lee, S., Lee, J. S., Jang, J., Hong, K. H., Lee, D. K., Song, S., … Chung, C. H. (2018). Robust nanoscale contact of silver nanowire electrodes to semiconductors to achieve high performance chalcogenide thin film solar cells. Nano Energy, 53(June), 675–682.

https://doi.org/10.1016/j.nanoen.2018.09.027

2. Heo, J. H., Kim, J., Kim, H., Moon, S. H., Im, S. H., & Hong, K. H. (2018). Roles of SnX2 (X = F, Cl, Br) Additives in Tin-Based Halide Perovskites toward Highly Efficient and Stable Lead-Free Perovskite Solar Cells. Journal of Physical Chemistry Letters, 9(20), 6024–6031.

https://doi.org/10.1021/acs.jpclett.8b02555

3. Ryu, H., & Hong, K. H. (2018). Optical Properties of Organic Perovskite Materials for Finite Nanostructures. International Conference on Simulation of Semiconductor Processes and Devices, SISPAD, 2018–September, 31–33. https://doi.org/10.1109/SISPAD.2018.8551719

4. Kim, J., Kim, H., Chandran, M., Lee, S. C., Im, S. H., & Hong, K. H. (2018). Impacts of cation ordering on bandgap dispersion of double perovskites. APL Materials, 6(8).

https://doi.org/10.1063/1.5027230

5. Jang, J., Park, D.-Y., Hong, K.-H., Song, S., Kim, K., Eo, Y.-J., … Chung, C.-H. (2018). Improvement of Contact Resistance Between Each Silver Nanowire and Thermal Stability of Silver Nanowire Transparent Electrodes by Electrodeposition. Nanoscience and Nanotechnology Letters, 10(4), 528–532.

https://doi.org/10.1166/nnl.2018.2671

6. Debbichi, L., Lee, S., Cho, H., Rappe, A. M., Hong, K. H., Jang, M. S., & Kim, H. (2018). Mixed Valence Perovskite Cs2Au2I6: A Potential Material for Thin-Film Pb-Free Photovoltaic Cells with Ultrahigh Efficiency. Advanced Materials, 30(12), 1–6.

https://doi.org/10.1002/adma.201707001

7. Hong, K. H., Kim, J. H., Chang, K., & Kwon, J. (2018). The role of Cr on oxide formation in Ni-Cr alloys: A theoretical study. Computational Materials Science, 142, 185–191.

https://doi.org/10.1016/j.commatsci.2017.09.056

2017

1. Jang, J., Su, J., Hong, K., Lee, D., Song, S., & Kim, K. (2017). Solar Energy Materials and Solar Cells Cu ( In , Ga ) Se 2 thin fi lm solar cells with solution processed silver nanowire composite window layers : Buffer / window junctions and their effects ( a ) ( b ). Solar Energy Materials and Solar Cells, 170(April), 60–67. https://doi.org/10.1016/j.solmat.2017.05.051

2. Choe, J., Jang, A., Kim, J., Chung, C., & Hong, K. (2017). Effects of Dispersion Solvent on the Spray Coating Deposition of Silver, 55(7).

https://doi.org/10.3365/KJMM.2017.55.7.509

3. Hong, K., Kim, J., Debbichi, L., Kim, H., & Im, S. H. (2017). Band Gap Engineering of Cs 3 Bi 2 I 9 Perovskites with Trivalent Atoms Using a Dual Metal Cation.

https://doi.org/10.1021/acs.jpcc.6b12426

4. Jeon, J., Eom, T., Lee, E., Kim, S., Kim, S., Hong, K., & Kim, H. (2017). Polymorphic Phase Control Mechanism of Organic − Inorganic Hybrid Perovskite Engineered by Dual-Site Alloying.

https://doi.org/10.1021/acs.jpcc.7b03176

2016

1. Lee, T. H., Park, K. Y., Kim, N. I., Song, S. J., Hong, K. H., Ahn, D., Azad, A. K., Hwang, J., Bhattacharjee, S., Lee, S. C., Lim, H. T., & Park, J. Y. (2016). Robust NdBa0.5Sr0.5Co1.5Fe0.5O5+δ cathode material and its degradation prevention operating logic for intermediate temperature-solid oxide fuel cells. Journal of Power Sources, 331, 495–506.

https://doi.org/10.1016/j.jpowsour.2016.09.080

2. Song, D. H., Jang, M. H., Lee, M. H., Heo, J. H., Park, J. K., Sung, S. J., Kim, D. H., Hong, K. H., & Im, S. H. (2016). A discussion on the origin and solutions of hysteresis in perovskite hybrid solar cells. Journal of Physics D: Applied Physics, 49(47).

https://doi.org/10.1088/0022-3727/49/47/473001

3. Chemical Bath Deposited ZnO:Al Thin Films and Their Application to CuInGaSe2 Thin Film Solar Cells. (2016). ECS Meeting Abstracts.

https://doi.org/10.1149/MA2016-02/26/1794

4. Lee, M. J., Ahn, J. H., Sung, J. H., Heo, H., Jeon, S. G., Lee, W., Song, J. Y., Hong, K. H., Choi, B., Lee, S. H., & Jo, M. H. (2016). Thermoelectric materials by using two-dimensional materials with negative correlation between electrical and thermal conductivity. Nature Communications, 7(May), 1–7.

https://doi.org/10.1038/ncomms12011

5. Hong, K. H., Kim, J. H., Chang, K., & Kwon, J. (2016). Prediction of potential candidates for dispersion strengthening materials in Ni based alloys. Computational Materials Science, 117, 215–220. https://doi.org/10.1016/j.commatsci.2016.01.041

6. Kim, J., Chung, C. H., & Hong, K. H. (2016). Understanding of the formation of shallow level defects from the intrinsic defects of lead tri-halide perovskites. Physical Chemistry Chemical Physics, 18(39), 27143–27147. https://doi.org/10.1039/c6cp02886a

7. Kim, J., Lee, S. H., Chung, C. H., & Hong, K. H. (2016). Systematic analysis of the unique band gap modulation of mixed halide perovskites. Physical Chemistry Chemical Physics, 18(6), 4423–4428. https://doi.org/10.1039/c5cp05982h

2015

1. Ryu, H.*; Kim, J.; Hong, K. –H.* “Atomistic Study on Dopant-Distributions in Realistically Sized, Highly P-Doped Si Nanowires” Nano Letters, 15(1), 450-456, 2015

2. Kim, J.; Hong, K. –H.* “Retarded dopant diffusion by moderated dopant–dopant interactions in Si nanowires” Physical Chemistry Chemical Physics, 17(3), (Jan 2015), 1575-1579.

3. Chung, C.-H.*; Hong, K. -H.; Lee, D. –K.; Yun, J. H; Yang, Y.* “Ordered Vacancy Compound Formation by Controlling Element Redistribution in Molecular-Level Precursor Solution Processed CuInSe2 Thin Films” Chemistry of Materials, 27(21), 7244-7247, 2015.

4. Kim, J.; Lee, S.-C.; Lee, S. H.; Hong, K. –H.* “Importance of Orbital Interactions in Determining Electronic Band Structures of Organo-Lead Iodide” The Journal of Physical Chemistry C 119, no. 9  4627-4634, 2015

5. Ryu, H.*; Kim, J.; Hong, K. –H.* “Atomistic Study on Dopant-Distributions in Realistically Sized, Highly P-Doped Si Nanowires” Nano Letters, 15(1), 450-456, 2015

2014

1. Kim, J.; Lee, S. H.; Lee, J. H.; Hong, K. –H.* “The Role of Intrinsic Defects in Methylammonium Lead Iodide Perovskite,” The Journal of Physical Chemistry Letters 5, no. 8 (April 17, 2014): 1312–1317

2. Kim, J.; Kim, K. Y.; Choi, H. J.; Hong, K. –H.* “The Role of Atomic Hydrogen in Ge/Si Core-Shell Nanowires” The Journal of Physical Chemistry C 118, no. 8 (August 16, 2014): 20710–20715

3. Kim, J.; Lee, S. H.; Lee, J. H.; Hong, K. –H.* “The Role of Intrinsic Defects in Methylammonium Lead Iodide Perovskite,” The Journal of Physical Chemistry Letters 5, no. 8 (April 17, 2014): 1312–1317

4. Hong, K. –H.*; Choi, H. S.; Hwang, I.; Kim, J. “Effects of Oxygen Plasma Treatment on v Th Uniformity of Recessed-Gate AlGaN/GaN HEMTs,” Electronic Materials Letters 10, no. 2 (March 10, 2014): 363–367