Kookheon Char

19.9k total citations · 2 hit papers
341 papers, 17.3k citations indexed

About

Kookheon Char is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Polymers and Plastics. According to data from OpenAlex, Kookheon Char has authored 341 papers receiving a total of 17.3k indexed citations (citations by other indexed papers that have themselves been cited), including 157 papers in Materials Chemistry, 140 papers in Electrical and Electronic Engineering and 92 papers in Polymers and Plastics. Recurrent topics in Kookheon Char's work include Polymer Surface Interaction Studies (59 papers), Quantum Dots Synthesis And Properties (58 papers) and Block Copolymer Self-Assembly (43 papers). Kookheon Char is often cited by papers focused on Polymer Surface Interaction Studies (59 papers), Quantum Dots Synthesis And Properties (58 papers) and Block Copolymer Self-Assembly (43 papers). Kookheon Char collaborates with scholars based in South Korea, United States and Germany. Kookheon Char's co-authors include Wan Ki Bae, Seonghoon Lee, Changhee Lee, Jeffrey Pyun, Jaehoon Lim, Jeonghun Kwak, Donggu Lee, Richard S. Glass, Jang Wook Choi and Myeongjin Park and has published in prestigious journals such as Journal of the American Chemical Society, Physical Review Letters and Chemical Society Reviews.

In The Last Decade

Kookheon Char

339 papers receiving 17.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The use of elemental sulfur as an alternative feedstock for polymeric materials

2013 1.2k citations Hyunsik Yoon, Yung‐Eun Sung et al. profile →
Bright and Efficient Full-Color Colloidal Quantum Dot Light-Emitting Diodes Using an Inverted Device Structure

2012 828 citations Jeonghun Kwak, Wan Ki Bae et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Kookheon Char South Korea	70	8.7k	8.2k	4.4k	2.5k	2.3k	341	17.3k
Jin Kon Kim South Korea	60	6.5k 0.7×	3.6k 0.4×	5.1k 1.1×	3.7k 1.5×	3.1k 1.3×	361	13.9k
Moonhor Ree South Korea	58	4.9k 0.6×	6.3k 0.8×	7.7k 1.7×	1.5k 0.6×	2.2k 0.9×	331	13.9k
Douglas H. Adamson United States	41	8.9k 1.0×	2.9k 0.4×	2.6k 0.6×	4.3k 1.7×	2.0k 0.8×	108	12.6k
Rafael Verduzco United States	51	5.4k 0.6×	5.5k 0.7×	2.9k 0.6×	2.2k 0.9×	1.6k 0.7×	161	11.3k
Qingmin Ji Japan	53	6.2k 0.7×	4.1k 0.5×	1.8k 0.4×	3.2k 1.3×	2.1k 0.9×	186	12.9k
Sang Ouk Kim South Korea	86	14.1k 1.6×	11.0k 1.3×	4.2k 1.0×	7.3k 2.9×	3.1k 1.3×	339	25.3k
Bumjoon J. Kim South Korea	83	8.1k 0.9×	15.9k 1.9×	12.6k 2.9×	3.8k 1.5×	5.0k 2.1×	470	24.4k
Jeffrey Pyun United States	59	4.9k 0.6×	3.4k 0.4×	6.0k 1.3×	1.5k 0.6×	4.6k 2.0×	167	13.3k
Lei Zhai United States	53	6.0k 0.7×	7.4k 0.9×	3.8k 0.9×	4.9k 1.9×	858 0.4×	202	16.7k
Igor Luzinov United States	46	3.3k 0.4×	4.3k 0.5×	2.2k 0.5×	4.0k 1.6×	2.9k 1.3×	216	14.2k

Countries citing papers authored by Kookheon Char

Since Specialization

Citations

This map shows the geographic impact of Kookheon Char's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kookheon Char with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kookheon Char more than expected).

Fields of papers citing papers by Kookheon Char

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kookheon Char. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kookheon Char. The network helps show where Kookheon Char may publish in the future.

Co-authorship network of co-authors of Kookheon Char

This figure shows the co-authorship network connecting the top 25 collaborators of Kookheon Char. A scholar is included among the top collaborators of Kookheon Char based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kookheon Char. Kookheon Char is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Char, Kookheon, et al.. (2024). Size Control and Antioxidant Properties of Sulfur‐Rich Polymer Colloids from Interfacial Polymerization. Macromolecular Rapid Communications. 45(13). e2300747–e2300747.

Kim, Jaemin, Ki Ho Park, Sung‐Chan Kim, et al.. (2022). Host–Guest Interlocked Complex Binder for Silicon–Graphite Composite Electrodes in Lithium Ion Batteries. Advanced Energy Materials. 12(11). 67 indexed citations

Lee, Soojin, et al.. (2022). Cracking of Colloidal Films to Generate Rectangular Fragments. Langmuir. 38(16). 4935–4941. 5 indexed citations

Chang, Jun Hyuk, Seunghyun Rhee, Donghyo Hahm, et al.. (2021). Pushing the Band Gap Envelope of Quasi-Type II Heterostructured Nanocrystals to Blue: ZnSe/ZnSe _{1- X} Te _X /ZnSe Spherical Quantum Wells. SHILAP Revista de lepidopterología. 2021. 27 indexed citations

Kim, Do Heung, et al.. (2020). One-step vapor-phase synthesis of transparent high refractive index sulfur-containing polymers. Science Advances. 6(28). eabb5320–eabb5320. 128 indexed citations

Kim, Byoung Soo, Jun Beom Pyo, Jinwoo Oh, et al.. (2020). Buckling Instability Control of 1D Nanowire Networks for a Large‐Area Stretchable and Transparent Electrode. Advanced Functional Materials. 30(21). 56 indexed citations

Rhee, Seunghyun, Jun Hyuk Chang, Donghyo Hahm, et al.. (2019). “Positive Incentive” Approach To Enhance the Operational Stability of Quantum Dot-Based Light-Emitting Diodes. ACS Applied Materials & Interfaces. 11(43). 40252–40259. 24 indexed citations

Park, Sangwoo, Seong‐Jun Kim, Yung‐Eun Sung, Kookheon Char, & Jeong Gon Son. (2019). Short-Chain Polyselenosulfide Copolymers as Cathode Materials for Lithium–Sulfur Batteries. ACS Applied Materials & Interfaces. 11(49). 45785–45795. 41 indexed citations

Oh, Jinwoo, Hyo Seon Suh, Youngpyo Ko, et al.. (2019). Universal perpendicular orientation of block copolymer microdomains using a filtered plasma. Nature Communications. 10(1). 2912–2912. 47 indexed citations

10.

Hahm, Donghyo, Jun Hyuk Chang, Byeong Guk Jeong, et al.. (2019). Design Principle for Bright, Robust, and Color-Pure InP/ZnSe_xS_1–x/ZnS Heterostructures. Chemistry of Materials. 31(9). 3476–3484. 141 indexed citations

11.

Lee, Hyunho, Jaehoon Lim, Jiyun Song, et al.. (2018). CdSe tetrapod interfacial layer for improving electron extraction in planar heterojunction perovskite solar cells. Nanotechnology. 30(6). 65401–65401. 7 indexed citations

12.

Jung, Heeyoung, Byeong Guk Jeong, Donghyo Hahm, et al.. (2018). Ligand-Asymmetric Janus Quantum Dots for Efficient Blue-Quantum Dot Light-Emitting Diodes. ACS Applied Materials & Interfaces. 10(26). 22453–22459. 34 indexed citations

13.

Chang, Jun Hyuk, Philip Park, Heeyoung Jung, et al.. (2018). Unraveling the Origin of Operational Instability of Quantum Dot Based Light-Emitting Diodes. ACS Nano. 12(10). 10231–10239. 159 indexed citations

14.

Jung, Heeyoung, Byeong Guk Jeong, Jun Hyuk Chang, et al.. (2016). Multifunctional Dendrimer Ligands for High-Efficiency, Solution-Processed Quantum Dot Light-Emitting Diodes. ACS Nano. 11(1). 684–692. 69 indexed citations

15.

Lim, Jeewoo, Jeffrey Pyun, & Kookheon Char. (2015). Recent Approaches for the Direct Use of Elemental Sulfur in the Synthesis and Processing of Advanced Materials. Angewandte Chemie International Edition. 54(11). 3249–3258. 266 indexed citations

16.

Kwak, Jeonghun, Wan Ki Bae, Changhee Lee, Kookheon Char, & Seonghoon Lee. (2010). P‐153: Color‐Saturated LEDs Based on Colloidal Quantum‐Dot by Improving Charge Injection and Transport Layers. SID Symposium Digest of Technical Papers. 41(1). 1824–1826. 3 indexed citations

17.

Kwak, Jeonghun, Wan Ki Bae, Matthias Zorn, et al.. (2009). Characterization of Quantum Dot/Conducting Polymer Hybrid Films and Their Application to Light‐Emitting Diodes. Advanced Materials. 21(48). 5022–5026. 89 indexed citations

18.

Lyu, Yi‐Yeol, et al.. (2009). Tunable Phosphorescent Emission through Energy Transfer within Multilayer Thin Films Based on a Carbazole‐Based Host and Ir(III)‐Complex Guest System. Macromolecular Rapid Communications. 30(14). 1232–1237. 2 indexed citations

19.

Lee, Dong Jun, et al.. (2001). Preparation and Characterization of Low Dielectric Methyl Silsesquioxane (MSSQ) Thin Films. Journal of the Korean Physical Society. 39(1). 119. 3 indexed citations

20.

Kim, Jungahn, Mi Kyung Lee, Jonghwi Lee, et al.. (1994). Synthesis of Dilithium α,ω-Disulfonated Polystyrene by Anionic Polymerization. Polymer Journal. 26(10). 1111–1117. 4 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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