Search Results - "Roh, Jeongkyun"

Optically pumped colloidal-quantum-dot lasing in LED-like devices with an integrated optical cavity by Roh, Jeongkyun, Park, Young-Shin, Lim, Jaehoon, Klimov, Victor I.

“…Realization of electrically pumped lasing with solution processable materials will have a revolutionary impact on many disciplines including photonics,…”
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Sub-single-exciton lasing using charged quantum dots coupled to a distributed feedback cavity by Kozlov, Oleg V, Park, Young-Shin, Roh, Jeongkyun, Fedin, Igor, Nakotte, Tom, Klimov, Victor I

“…Colloidal semiconductor quantum dots (QDs) are attractive materials for realizing highly flexible, solution-processable optical gain media, but they are…”
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Colloidal quantum dot lasers by Park, Young-Shin, Roh, Jeongkyun, Diroll, Benjamin T., Schaller, Richard D., Klimov, Victor I.

“…Semiconductor nanocrystals represent a promising class of solution-processable optical-gain media that can be manipulated via inexpensive, easily scalable…”
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Solution-processable integrated CMOS circuits based on colloidal CuInSe2 quantum dots by Yun, Hyeong Jin, Lim, Jaehoon, Roh, Jeongkyun, Neo, Darren Chi Jin, Law, Matt, Klimov, Victor I.

“…The emerging technology of colloidal quantum dot electronics provides an opportunity for combining the advantages of well-understood inorganic semiconductors…”
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Overcoming tradeoff between mobility and bias stability in organic field-effect transistors according to the self-assembled monolayer chain lengths by Roh, Jeongkyun, Kang, Chan-mo, Kwak, Jeonghun, Lee, Changhee, Jun Jung, Byung

“…This study examined the relationship between the mobility and bias stability of pentacene-based organic field-effect transistors (OFETs) regarding a…”
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Double Metal Oxide Electron Transport Layers for Colloidal Quantum Dot Light-Emitting Diodes by Park, Myeongjin, Roh, Jeongkyun, Lim, Jaehoon, Lee, Hyunkoo, Lee, Donggu

“…The performance of colloidal quantum dot light-emitting diodes (QD-LEDs) have been rapidly improved since metal oxide semiconductors were adopted for an…”
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All-Solution-Processed Quantum Dot Light-Emitting Diode Using Phosphomolybdic Acid as Hole Injection Layer by Hwang, Jeong Ha, Seo, Eunyong, Park, Sangwook, Lee, Kyungjae, Kim, Dong Hyun, Lee, Seok Hyoung, Kwon, Yong Woo, Roh, Jeongkyun, Lim, Jaehoon, Lee, Donggu

“…In this study, we investigate phosphomolybdic acid (PMA), which allows solution processing of quantum dot light-emitting diodes. With its low cost, easy…”
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Low frequency noise characteristics in multilayer WSe2 field effect transistor by Cho, In-Tak, Kim, Jong In, Hong, Yoonki, Roh, Jeongkyun, Shin, Hyeonwoo, Baek, Geun Woo, Lee, Changhee, Hong, Byung Hee, Jin, Sung Hun, Lee, Jong-Ho

“…This paper investigates the low-frequency noise properties of multilayer WSe2 field effect transistors (FETs) in subthreshold, linear, and saturation regime…”
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Effect of Variations in the Alkyl Chain Lengths of Self-Assembled Monolayers on the Crystalline-Phase-Mediated Electrical Performance of Organic Field-Effect Transistors by Park, Myeongjin, Kang, Chan-mo, Park, Sangwook, Jo, Hyeona, Roh, Jeongkyun

“…Self-assembled monolayers (SAMs) of organic molecules are frequently employed to improve the electrical performance of organic field-effect transistors…”
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Investigation of Improved Performance for Organic Rectifying Diodes via Electrical Annealing by Kang, Chan-Mo, Roh, Jeongkyun, Shin, Hyeonwoo, Lee, Changhee, Lee, Hyunkoo

“…Electrical annealing (EA) is one of the post treatments to enhance the electrical performances of organic devices. To date, the improvements using EA have only…”
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Temperature Dependence and Impedance Characteristics of Hybrid Solar Cells Based on Poly(phenylene vinylene): ZnO Nanoparticles With Added Surfactants by Jun Young Kim, Jaehoon Kim, Amsden, Jason J., Jeongkyun Roh, Insun Park, Yoon, Do Y., Hyeok Kim, Chang Hee Lee

“…A recent study has shown that the use of a semiconducting surfactant in hybrid bulk heterojunction solar cells based on…”
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Thermally curable polymers consisting of alcohol-functionalized cyclotetrasiloxane and melamine derivatives for use as insulators in OTFTs by HA, Jong-Woon, YUNTAE KIM, JEONGKYUN ROH, JONG IL PARK, JEONGHUN KWAK, CHANGHEE LEE, HWANG, Do-Hoon

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Photocurable propyl-cinnamate-functionalized polyhedral oligomeric silsesquioxane as a gate dielectric for organic thin film transistors by Kim, Yuntae, Roh, Jeongkyun, Kim, Ji-Hoon, Kang, Chan-mo, Kang, In-Nam, Jung, Byung Jun, Lee, Changhee, Hwang, Do-Hoon

“…[Display omitted] •A polyhedral oligomeric silsesquioxane (POSS) with photocurable cinnmate functional groups was synthesized.•The POSS derivative was…”
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Recent Advances and Challenges of Colloidal Quantum Dot Light‐Emitting Diodes for Display Applications by Kim, Jaehoon, Roh, Jeongkyun, Park, Myoungjin, Lee, Changhee

“…Colloidal quantum dots (QDs) exhibit tremendous potential in display technologies owing to their unique optical properties, such as size‐tunable emission…”
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1 GHz Pentacene Diode Rectifiers Enabled by Controlled Film Deposition on SAM-Treated Au Anodes by Kang, Chan-mo, Wade, Jessica, Yun, Sumin, Lim, Jaehoon, Cho, Hyunduck, Roh, Jeongkyun, Lee, Hyunkoo, Nam, Sangwook, Bradley, Donal D. C., Kim, Ji-Seon, Lee, Changhee

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Negligible hysteresis of molybdenum disulfide field-effect transistors through thermal annealing by Roh, Jeongkyun, Lee, Jong-Ho, Jin, Sung Hun, Lee, Changhee

“…Large hysteresis behaviors on molybdenum disulfide ($MoS_2$) field-effect transistors (FETs) without passivation have been typically observed, which can be one…”
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Recent Advances and Challenges of Colloidal Quantum Dot Light‐Emitting Diodes for Display Applications (Adv. Mater. 20/2024) by Kim, Jaehoon, Roh, Jeongkyun, Park, Myoungjin, Lee, Changhee

“…Colloidal Quantum Dot Light‐Emitting Diodes Colloidal quantum dots light‐emitting diodes (QLEDs) have attracted tremendous attention for display applications…”
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Polarized Electroluminescence Emission in High‐Performance Quantum Rod Light‐Emitting Diodes via the Langmuir‐Blodgett Technique by Rhee, Seunghyun, Jung, Dongju, Kim, Dahin, Lee, Doh C., Lee, Changhee, Roh, Jeongkyun

“…Due to their anisotropic structure, quantum rods (QRs) feature unique properties that differ from quantum dots, such as suppression of non‐radiative Auger…”
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Interfacial Modification of ZnO/ZnMgO Bilayer for Efficient and Stable InP Quantum Dot Light-Emitting Diodes via Ultraviolet Ozone Treatment by Lee, Kyoungeun, Lee, Jaeyeop, Bae, Yeyun, Roh, Heejae, Jung, Woon Ho, Lim, Jaehoon, Kim, Jaehoon, Roh, Jeongkyun

“…The development of efficient charge transport layers is crucial for realizing high-performance and stable quantum dot light-emitting diodes (QD-LEDs). The use…”
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Optically pumped colloidal-quantum-dot lasing in LED-like devices with an integrated optical cavity by Roh, Jeongkyun, Park, Young-Shin, Lim, Jaehoon, Klimov, Victor I.

“…Abstract Realization of electrically pumped lasing with solution processable materials will have a revolutionary impact on many disciplines including…”
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