Yoonkyoo Lee

752 total citations · 1 hit paper
18 papers, 611 citations indexed

About

Yoonkyoo Lee is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Polymers and Plastics. According to data from OpenAlex, Yoonkyoo Lee has authored 18 papers receiving a total of 611 indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Electrical and Electronic Engineering, 8 papers in Materials Chemistry and 6 papers in Polymers and Plastics. Recurrent topics in Yoonkyoo Lee's work include Organic Light-Emitting Diodes Research (17 papers), Organic Electronics and Photovoltaics (16 papers) and Luminescence and Fluorescent Materials (7 papers). Yoonkyoo Lee is often cited by papers focused on Organic Light-Emitting Diodes Research (17 papers), Organic Electronics and Photovoltaics (16 papers) and Luminescence and Fluorescent Materials (7 papers). Yoonkyoo Lee collaborates with scholars based in South Korea and United States. Yoonkyoo Lee's co-authors include Won Ho Jo, Young Min Nam, Jun Yeob Lee, Sunwoo Kang, Changwoong Chu, Hee Choon Ahn, Seok‐Hwan Hwang, Jinwon Sun, Soo‐Byung Ko and Youngmin You and has published in prestigious journals such as Journal of Applied Physics, Nature Photonics and Chemical Engineering Journal.

In The Last Decade

Yoonkyoo Lee

18 papers receiving 607 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.

Exceptionally stable blue phosphorescent organic light-emitting diodes

2022 286 citations Jinwon Sun, Hee Choon Ahn et al. Nature Photonics profile →

Peers

Yoonkyoo Lee

EEE

Takao Motoyama Japan

Hyung Jin Cheon South Korea

Letizia Colella Italy

Iain Hamilton United Kingdom

Valerii Sharapov United States

Daiva Tavgenienė Lithuania

Mao‐Chuan Yuan Taiwan

Deli Li China

Thomas C. Rosenow Germany

Dominic Ferdani United Kingdom

Takao Motoyama Japan

Yoonkyoo Lee

575 ×1.0

EEE

342 ×1.2

168 ×0.7

116 ×1.8

7 ×0.5

Citations per year, relative to Yoonkyoo Lee Yoonkyoo Lee (= 1×) peers Takao Motoyama

Countries citing papers authored by Yoonkyoo Lee

Since Specialization

Citations

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

Fields of papers citing papers by Yoonkyoo Lee

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Yoonkyoo Lee. 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 Yoonkyoo Lee. The network helps show where Yoonkyoo Lee may publish in the future.

Co-authorship network of co-authors of Yoonkyoo Lee

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

All Works

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18 of 18 papers shown

Yun, Ju Hui, Jun Ha, Yoonkyoo Lee, et al.. (2022). More than 25,000 h device lifetime in blue phosphorescent organic light-emitting diodes via fast triplet up-conversion of n-type hosts with sub μs triplet exciton lifetime. Chemical Engineering Journal. 450. 137974–137974. 16 indexed citations

Sun, Jinwon, Hee Choon Ahn, Sunwoo Kang, et al.. (2022). Exceptionally stable blue phosphorescent organic light-emitting diodes. Nature Photonics. 16(3). 212–218. 286 indexed citations breakdown →

Yun, Ju Hui, Jae‐Min Kim, Won Jae Chung, et al.. (2021). A novel electroplex host with dual triplet exciton up-converting channels suppressing triplet exciton induced degradation mechanisms in blue organic light-emitting diodes. Journal of Materials Chemistry C. 9(42). 15242–15250. 11 indexed citations

Yun, Ju Hui, Junseop Lim, Jun Yeob Lee, Yoonkyoo Lee, & Changwoong Chu. (2021). Triplet Exciton Upconverting Blue Exciplex Host for Deep Blue Phosphors. Chemistry - A European Journal. 27(49). 12642–12648. 4 indexed citations

Lim, Junseop, et al.. (2021). Benzonitirile modified N type host for exciplex host to enhance efficiency and lifetime in blue phosphorescent organic light-emitting diodes. Chemical Engineering Journal. 429. 132584–132584. 13 indexed citations

Lim, Junseop, et al.. (2021). Rational Management of Charge Transfer Character of Benzothienopyrimidine‐Based N‐Type Host for Blue Phosphorescent Organic Light‐Emitting Diodes. Advanced Optical Materials. 10(1). 3 indexed citations

Yun, Ju Hui, et al.. (2020). Thermally activated delayed fluorescence type exciplex host for long lifetime in deep blue phosphorescent organic light-emitting diodes. Chemical Engineering Journal. 417. 128086–128086. 12 indexed citations

Chung, Won Jae, et al.. (2020). A negative polaron resistant p-type host for extended lifetime in deep blue phosphorescent organic light-emitting diodes. Journal of Materials Chemistry C. 8(15). 5131–5136. 9 indexed citations

Kang, Sunwoo, et al.. (2019). Key host parameters for long lifetimes in phosphorescent organic light-emitting diodes: bond dissociation energy in triplet excited state. Journal of Materials Chemistry C. 8(5). 1697–1703. 12 indexed citations

10.

Song, Wook, Taekyung Kim, Jun Yeob Lee, Yoonkyoo Lee, & Hyein Jeong. (2018). Investigation of degradation mechanism of phosphorescent and thermally activated delayed fluorescent organic light-emitting diodes through doping concentration dependence of lifetime. Journal of Industrial and Engineering Chemistry. 68. 350–354. 18 indexed citations

11.

Song, Wook, Jun Yeob Lee, Taekyung Kim, Yoonkyoo Lee, & Hyein Jeong. (2018). Comprehensive understanding of degradation mechanism of high efficiency blue organic light-emitting diodes at the interface by hole and electron transport layer. Organic Electronics. 57. 158–164. 17 indexed citations

12.

Song, Wook, Taekyung Kim, Yoonkyoo Lee, & Jun Yeob Lee. (2017). Degradation mechanism study and electron scattering device structure for long lifetime in blue phosphorescent organic light-emitting diodes. Organic Electronics. 43. 82–86. 17 indexed citations

13.

Song, Wook, Taekyung Kim, Yoonkyoo Lee, & Jun Yeob Lee. (2017). A stepwise energy level doping structure for improving the lifetime of phosphorescent organic light-emitting diodes. Journal of Materials Chemistry C. 5(16). 3948–3954. 24 indexed citations

14.

Kim, Jung Yong, Seunguk Noh, Yoonkyoo Lee, et al.. (2012). Charge transport in amorphous low bandgap conjugated polymer/fullerene films. Journal of Applied Physics. 111(4). 13 indexed citations

15.

Lee, Yoonkyoo, et al.. (2012). Synthesis of a low bandgap polymer based on a thiadiazolo-indolo[3,2-b]carbazole derivative for enhancement of open circuit voltage of polymer solar cells. Polymer Chemistry. 3(10). 2928–2928. 20 indexed citations

16.

Lee, Yoonkyoo & Won Ho Jo. (2012). Fine-Tuning of Molecular Energy Level of Alternating Copolymers On the basis of [1,2,5]Thiadiazolo[3,4-g]quinoxaline Derivatives for Polymer Photovoltaics. The Journal of Physical Chemistry C. 116(15). 8379–8386. 13 indexed citations

17.

Lee, Yoonkyoo, Young Min Nam, & Won Ho Jo. (2011). Enhanced device performance of polymer solar cells by planarization of quinoxaline derivative in a low-bandgap polymer. Journal of Materials Chemistry. 21(24). 8583–8583. 83 indexed citations

18.

Lee, Yoonkyoo, Thomas P. Russell, & Won Ho Jo. (2010). Synthesis and photovoltaic properties of low-bandgap alternating copolymers consisting of 3-hexylthiophene and [1,2,5]thiadiazolo[3,4-g]quinoxaline derivatives. Organic Electronics. 11(5). 846–853. 40 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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