Cheol Hyoun Ahn

2.5k total citations · 1 hit paper
64 papers, 2.2k citations indexed

About

Cheol Hyoun Ahn is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Cheol Hyoun Ahn has authored 64 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Electrical and Electronic Engineering, 49 papers in Materials Chemistry and 20 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Cheol Hyoun Ahn's work include ZnO doping and properties (39 papers), Thin-Film Transistor Technologies (30 papers) and Ga2O3 and related materials (17 papers). Cheol Hyoun Ahn is often cited by papers focused on ZnO doping and properties (39 papers), Thin-Film Transistor Technologies (30 papers) and Ga2O3 and related materials (17 papers). Cheol Hyoun Ahn collaborates with scholars based in South Korea, India and United States. Cheol Hyoun Ahn's co-authors include Hyung Koun Cho, Sanjay Kumar Mohanta, Dong Chan Kim, Young Yi Kim, Sohee Kim, Jung Young Cho, Bo Hyun Kong, Sang Yeol Lee, Hyoungsub Kim and Ho Seong Lee and has published in prestigious journals such as Applied Physics Letters, Journal of Applied Physics and Journal of Power Sources.

In The Last Decade

Cheol Hyoun Ahn

62 papers receiving 2.2k citations

Hit Papers

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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.

A comparative analysis of deep level emission in ZnO layers deposited by various methods

2009 697 citations Cheol Hyoun Ahn, Young Yi Kim et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Cheol Hyoun Ahn South Korea	23	1.8k	1.6k	655	264	234	64	2.2k
Chien‐Yie Tsay Taiwan	25	1.4k 0.8×	1.1k 0.7×	570 0.9×	262 1.0×	173 0.7×	62	1.7k
Basavaraj Angadi India	27	2.1k 1.2×	1.2k 0.8×	941 1.4×	324 1.2×	327 1.4×	128	2.6k
J. Y. Lao United States	13	1.5k 0.8×	1.0k 0.7×	620 0.9×	177 0.7×	462 2.0×	24	1.9k
Fa Cao China	21	1.3k 0.7×	1.2k 0.8×	654 1.0×	225 0.9×	305 1.3×	51	1.8k
Xia Fan China	23	1.9k 1.0×	1.2k 0.8×	837 1.3×	125 0.5×	369 1.6×	48	2.2k
Laëtitia Rapenne France	24	1.1k 0.6×	995 0.6×	450 0.7×	148 0.6×	316 1.4×	108	1.7k
N. Bano Saudi Arabia	19	1.3k 0.7×	917 0.6×	535 0.8×	145 0.5×	207 0.9×	88	1.6k
S. Alaya Tunisia	24	1.5k 0.8×	1.2k 0.7×	449 0.7×	167 0.6×	120 0.5×	97	1.8k
Azmira Jannat Australia	24	1.2k 0.7×	1.1k 0.7×	310 0.5×	169 0.6×	406 1.7×	37	1.8k
Shayla Sawyer United States	23	1.0k 0.6×	881 0.6×	555 0.8×	226 0.9×	264 1.1×	44	1.4k

Countries citing papers authored by Cheol Hyoun Ahn

Since Specialization

Citations

This map shows the geographic impact of Cheol Hyoun Ahn'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 Cheol Hyoun Ahn with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Cheol Hyoun Ahn more than expected).

Fields of papers citing papers by Cheol Hyoun Ahn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Cheol Hyoun Ahn. 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 Cheol Hyoun Ahn. The network helps show where Cheol Hyoun Ahn may publish in the future.

Co-authorship network of co-authors of Cheol Hyoun Ahn

This figure shows the co-authorship network connecting the top 25 collaborators of Cheol Hyoun Ahn. A scholar is included among the top collaborators of Cheol Hyoun Ahn 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 Cheol Hyoun Ahn. Cheol Hyoun Ahn is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Kim, Dabin, Sera Jeon, Cheol Hyoun Ahn, et al.. (2025). Sono-responsive Bio-MOF-11 as a triboelectric material for powering transient implants. Materials Today. 88. 178–185.

Yang, Won, Jaeyeon Pyo, Cheol Hyoun Ahn, & Hyung Koun Cho. (2025). Phase‐Transformable MOF‐Derived α‐ZnMoO₄ Cathode Featuring Oxygen Vacancies and Lattice Lubrication for Enhanced Zinc‐Ion Storage. EcoMat. 7(9).

Ahn, Cheol Hyoun, et al.. (2024). Rational Design of a Co/MnO-Embedded 2D Nitrogen-Doped Carbon/Carbon Nanotube Hybrid Catalyst for Efficient Oxygen Catalysis and High-Capacity Zn–Air Batteries. ACS Applied Energy Materials. 7(19). 8503–8514. 1 indexed citations

Jung, Sung Hyeon, et al.. (2023). Highly Sensitive Hybrid Oxide Phototransistors with Photoresponsive Zeolitic‐Imidazolate‐Frameworks for Real‐Time Light Detection. Advanced Optical Materials. 11(8). 1 indexed citations

Ahn, Cheol Hyoun, Won Yang, Jeong Jae Kim, & Hyung Koun Cho. (2023). Nitrogen-Doped Amorphous Carbon/Dual-Phasic TiO₂ Nanocomposite Electrodes Derived from Ti-Based Metal–Organic Frameworks Designed with a Mixed Linker Combination for High-Rate Lithium Storage. ACS Sustainable Chemistry & Engineering. 11(38). 14046–14055. 6 indexed citations

Ahn, Cheol Hyoun, Jeong Jae Kim, Won Yang, & Hyung Koun Cho. (2022). Multiple functional biomolecule-based metal-organic-framework-reinforced polyethylene oxide composite electrolytes for high-performance solid-state lithium batteries. Journal of Power Sources. 557. 232528–232528. 22 indexed citations

Ahn, Cheol Hyoun, et al.. (2022). Design of Bronze‐Rich Dual‐Phasic TiO₂ Embedded Amorphous Carbon Nanocomposites Derived from Ti‐Metal–Organic Frameworks for Improved Lithium‐Ion Storage. Small Methods. 6(11). e2201066–e2201066. 7 indexed citations

Deshpande, Nishad G., Dong Su Kim, Cheol Hyoun Ahn, et al.. (2021). β-like FeOOH Nanoswords Activated by Ni Foam and Encapsulated by rGO toward High Current Densities, Durability, and Efficient Oxygen Evolution. ACS Applied Materials & Interfaces. 13(16). 18772–18783. 20 indexed citations

Deshpande, Nishad G., et al.. (2020). Bifunctional reusable Co_0.5Ni_0.5Fe₂O₄ nanoparticle-grafted carbon nanotubes for aqueous dye removal from contaminated water. Catalysis Science & Technology. 10(18). 6188–6197. 10 indexed citations

10.

Ahn, Cheol Hyoun, Nishad G. Deshpande, Ho Seong Lee, & Hyung Koun Cho. (2020). Energy Transfer‐Induced Photoelectrochemical Improvement from Porous Zeolitic Imidazolate Framework‐Decorated BiVO₄ Photoelectrodes. Small Methods. 5(2). e2000753–e2000753. 22 indexed citations

11.

Jung, Sung Hyeon, et al.. (2019). Inactivation of low-temperature-induced numerous defects at the electrode/channel interfaces using ultrathin Al2O3 layers. Microelectronic Engineering. 216. 111049–111049. 7 indexed citations

12.

Kim, Kyung Su, Cheol Hyoun Ahn, Sung Hyeon Jung, Sung Woon Cho, & Hyung Koun Cho. (2018). Toward Adequate Operation of Amorphous Oxide Thin-Film Transistors for Low-Concentration Gas Detection. ACS Applied Materials & Interfaces. 10(12). 10185–10193. 55 indexed citations

13.

Lee, Chang Min, Geun Chul Park, Cheol Hyoun Ahn, et al.. (2018). Effects of Precursor Concentration on Dimensional Size, Defect State, and Gas Sensing Performance of MoS₂ Sheets Synthesized by Hydrothermal Method. physica status solidi (a). 215(20). 6 indexed citations

14.

Kim, Kyung Su, Cheol Hyoun Ahn, Won Jun Kang, et al.. (2017). An All Oxide-Based Imperceptible Thin-Film Transistor with Humidity Sensing Properties. Materials. 10(5). 530–530. 20 indexed citations

15.

Ahn, Cheol Hyoun, et al.. (2016). Low voltage-driven oxide phototransistors with fast recovery, high signal-to-noise ratio, and high responsivity fabricated via a simple defect-generating process. Scientific Reports. 6(1). 31991–31991. 54 indexed citations

16.

Jee, Sang‐Won, Woongchul Choi, Cheol Hyoun Ahn, et al.. (2015). Enhanced oxygen reduction and evolution by in situ decoration of hematite nanoparticles on carbon nanotube cathodes for high-capacity nonaqueous lithium–oxygen batteries. Journal of Materials Chemistry A. 3(26). 13767–13775. 31 indexed citations

17.

Ahn, Cheol Hyoun, et al.. (2012). Hybrid solution processed InGaO3(ZnO)m thin films with periodic layered structures and thermoelectric properties. Journal of Materials Chemistry. 22(32). 16312–16312. 18 indexed citations

18.

Lee, Ju Ho, Cheol Hyoun Ahn, Sooyeon Hwang, et al.. (2011). Role of the crystallinity of ZnO films in the electrical properties of bottom-gate thin film transistors. Thin Solid Films. 519(20). 6801–6805. 13 indexed citations

19.

Ahn, Cheol Hyoun, Sooyeon Hwang, Jeong Yong Lee, et al.. (2010). Influence of active layer thickness and annealing in zinc oxide TFT grown by atomic layer deposition. Surface and Interface Analysis. 42(6-7). 955–958. 21 indexed citations

20.

Ahn, Cheol Hyoun, et al.. (2007). Phosphorus-doped ZnO films grown nitrogen ambience by magnetron sputtering on sapphire substrates. Physica B Condensed Matter. 401-402. 370–373. 13 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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