Search Results - "Park, Ho Yeol"

Super Stretchable and Durable Electroluminescent Devices Based on Double‐Network Ionogels by Dinh Xuan, Hiep, Timothy, Bernard, Park, Ho‐Yeol, Lam, Tuyet Nhi, Kim, Dowan, Go, Yeonjeong, Kim, Jongyoun, Lee, Youngu, Ahn, Sung Il, Jin, Sung‐Ho, Yoon, Jinhwan

“…Ionogels are good candidates for flexible electronics owing to their excellent mechanical and electrical properties, including stretchability, high…”
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Optically Transparent and Mechanically Robust Ionic Hydrogel Electrodes for Bright Electroluminescent Devices Achieving High Stretchability Over 1400 by Go, Yeonjeong, Park, Ho‐Yeol, Zhu, Yijie, Yoo, Kiyoung, Kwak, Jeonghun, Jin, Sung‐Ho, Yoon, Jinhwan

“…To realize wearable displays and interactive soft robots, significant research efforts are focused on developing highly deformable alternating‐current…”
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High Efficiency Deep‐Blue Phosphorescent Organic Light‐Emitting Diodes with CIE x, y (≤ 0.15) and Low Efficiency Roll‐Off by Employing a High Triplet Energy Bipolar Host Material by Maheshwaran, Athithan, Sree, Vijaya Gopalan, Park, Ho‐Yeol, Kim, Hyein, Han, Si Hyun, Lee, Jun Yeob, Jin, Sung‐Ho

“…Recently, bipolar host materials are the most promising candidates for achieving high performance phosphorescent organic light‐emitting diodes (PHOLEDs) in…”
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External Quantum Efficiency Exceeding 24% with CIEy Value of 0.08 using a Novel Carbene‐Based Iridium Complex in Deep‐Blue Phosphorescent Organic Light‐Emitting Diodes by Park, Ho‐Yeol, Maheshwaran, Athithan, Moon, Chang‐Ki, Lee, Hyuna, Reddy, Saripally Sudhaker, Sree, Vijaya Gopalan, Yoon, Jiyoung, Kim, Jeong Won, Kwon, Jang Hyuk, Kim, Jang‐Joo, Jin, Sung‐Ho

“…Deep‐blue triplet emitters remain far inferior to standard red and green triplet emitters in terms of exhibiting high‐color‐purity Commission International de…”
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Deep‐Blue Phosphorescent Ir(III) Complexes with Light‐Harvesting Functional Moieties for Efficient Blue and White PhOLEDs in Solution‐Process by Sarada, Ganguri, Cho, Woosum, Maheshwaran, Athithan, Sree, Vijaya Gopalan, Park, Ho‐Yeol, Gal, Yeong‐Soon, Song, Myungkwan, Jin, Sung‐Ho

“…The photoluminescence (PL) efficiency of emitters is a key parameter to accomplish high electroluminescent performance in phosphorescent organic light‐emitting…”
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Synthesis and Characterization of Highly Efficient Solution‐Processable Green Ir(III) Complexes with High Current Efficiency and Very Low Efficiency Roll‐Off by Sree, Vijaya Gopalan, Maheshwaran, Athithan, Kim, Hyein, Park, Ho‐Yeol, Kim, Youngkwang, Lee, Jae Chol, Song, Myungkwan, Jin, Sung‐Ho

“…Three new highly efficient green‐emitting heteroleptic phosphorescent iridium(III) complexes are designed and synthesized for the fabrication of…”
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Copper laser patterning on a flexible substrate using a cost-effective 3D printer by Chakraborty, Sajal, Park, Ho-Yeol, Ahn, Sung Il

“…We studied the cost effective direct laser patterning of copper (Cu) on thin polyimide substrates (PI thickness: 12.5–50 µm) using a 405 nm laser module…”
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Thienothiophene‐Assisted Property Optimization for Dopant‐Free π‐Conjugation Polymeric Hole Transport Material Achieving Over 23% Efficiency in Perovskite Solar Cells by Xie, Zhiqing, Park, Hyungjin, Choi, SeungJu, Park, Ho‐Yeol, Gokulnath, Thavamani, Kim, Hyerin, Kim, Jeonghyun, Kim, Hak‐Beom, Choi, In Woo, Jo, Yimhyun, Kim, Dong Suk, Kim, Young‐Yong, Yoon, Seog Young, Yoon, Jinhwan, Cho, Yong‐Rae, Jin, Sung‐Ho

“…Hole transport materials (HTMs) play essential roles in achieving high photovoltaic performance and long‐term stability in the n–i–p structure of perovskite…”
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Efficiency Exceeding 20% in Perovskite Solar Cells with Side‐Chain Liquid Crystalline Polymer–Doped Perovskite Absorbers by Arivunithi, Veera Murugan, Reddy, Saripally Sudhaker, Sree, Vijaya Gopalan, Park, Ho‐Yeol, Park, Juuyn, Kang, Yong‐Cheol, Shin, Eun‐Sol, Noh, Yong‐Young, Song, Myungkwan, Jin, Sung‐Ho

“…Attaining high quality perovskite films with enhanced morphology, high efficiency, and better stability is a great research challenge. Here, a side‐chain…”
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High Performance Air‐Processed Organic Photovoltaic Modules (≈55 cm2) with an Efficiency of >17.50% by Employing Halogen‐Free Solvent Processed Polymer Donors by Gokulnath, Thavamani, Kim, Hyerin, Lee, Jieun, Cho, Bo Hyeon, Park, Ho‐Yeol, Jee, Jesung, Kim, Young Yong, Kranthiraja, Kakaraparthi, Yoon, Jinhwan, Jin, Sung‐Ho

“…Organic photovoltaic (OPV) sub‐modules shall be feasible for production using halogen‐free solvents in air,high power conversion efficiencies (PCEs), and…”
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High Performance Solution‐Processed Deep‐Blue Phosphorescence Organic Light‐Emitting Diodes with EQE Over 24% by Employing New Carbenic Ir(III) Complexes by Kumaresan, Raja, Park, Ho‐Yeol, Maheshwaran, Athithan, Park, Hyungjin, Do, Yeongju, Song, Myungkwan, Yoon, Jinhwan, Ahn, Sung Il, Jin, Sung‐Ho

“…Solution‐processed phosphorescence organic light‐emitting diodes (PHOLEDs) are an increasingly attractive option as compared with vacuum‐processed PHOLEDs due…”
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An Efficient Amphiphilic‐Type Triphenylamine‐Based Organic Hole Transport Material for High‐Performance and Ambient‐Stable Dopant‐Free Perovskite and Organic Solar Cells by Reddy, Saripally Sudhaker, Park, Ho‐Yeol, Kwon, Haeun, Shin, Jongmoon, Kim, Chang‐Su, Song, Myungkwan, Jin, Sung‐Ho

“…A new set of simply structured triphenylamine‐based small molecules are synthesized and evaluated as dopant‐free hole transporting materials (HTMs) for…”
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Stable dual cations perovskite nanocrystals as absorbers for perovskite solar cells with efficiencies exceeding 24 by Xie, Zhiqing, Park, Ho‐Yeol, Kim, Hyerin, Park, Jeonghyeon, Song, Donghyun, Lee, Jieun, Chetan, Lakshman, Jin, Sung‐Ho

“…FA1 − XCsXPbI3 (formamidinium [FA]; cesium [Cs]; lead [Pb]; and iodine [I]) perovskites are promising candidates in perovskite solar cells (PSCs) for the…”
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Highly Efficient and Stable Green Phosphorescent Light‐Emitting Diodes Based on Solution‐Processable Ir(III) Complexes with Electron‐Transporting Ancillary Ligands by Park, Ho‐Yeol, Ameen, Shahid, Kumaresan, Raja, Lee, Jieun, Park, Jeonghyeon, Song, Donghyun, Lee, Jaemin, Heo, Yuchan, Kim, BongSoo, Jin, Sung‐Ho

“…Two green heteroleptic Ir(III) complexes are reported, namely,…”
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Accomplishing High‐Performance Organic Solar Sub‐Modules (≈55 cm2) with >16% Efficiency by Controlling the Aggregation of an Engineered Non‐Fullerene Acceptor by Gokulnath, Thavamani, Kim, Hyerin, Kranthiraja, Kakaraparthi, Cho, Bo Hyeon, Park, Ho‐Yeol, Jee, Jesung, Kim, Young Yong, Yoon, Jinhwan, Jin, Sung‐Ho

“…The fabrication of environmentally benign, solvent‐processed, efficient, organic photovoltaic sub‐modules remains challenging due to the rapid aggregation of…”
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Halogen‐free solvent processed organic solar sub‐modules (≈55 cm2) with 14.70% efficiency by controlling the morphology of alkyl chain engineered polymer donor by Gokulnath, Thavamani, Kim, Hyerin, Song, Donghyun, Park, Ho‐Yeol, Jee, Je‐Sung, Kim, Young Yong, Yoon, Jinhwan, Kranthiraja, Kakaraparthi, Jin, Sung‐Ho

“…Goals of high efficiency, morphological analysis, and the ability to produce organic solar cell (OSC) sub‐modules using halogen‐free solvents are demanding. In…”
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Synthesis and characterization of an efficient solution-processable green Ir(III) complex with a solubilizing group using a tandem reaction by Park, Ho-Yeol, Maheshwaran, Athithan, Jin, Sung-Ho

“…The new efficient green heteroleptic phosphorescent Ir(III) complex…”
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New 2D-Conjugated Polymer for Non-Halogenated and Halogenated Solvents Processed Organic Solar Cells by Aryal, Um Kanta, Park, Ho-Yeol, Cho, Woosum, Jin, Sung-Ho, Hwang, Yoon-Hwae, Kim, Hyung-Kook

“…KCI Citation Count: 8…”
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Achieving an excellent efficiency of 11.57% in a polymer solar cell submodule with a 55 cm2 active area using 1D/2A terpolymers and environmentally friendly nonhalogenated solvents by Jung, Hyeonwoo, Kim, Jongyoun, Park, Jaehyoung, Jahankhan, Muhammad, Hwang, Youngjun, Kang, Byeongjae, Kim, Hyerin, Park, Ho‐Yeol, Ahn, Pyeongkang, Um, DuHyeon, Jee, Je‐Sung, Shin, Won Suk, Kim, BongSoo, Jin, Sung‐Ho, Song, Chang Eun, Lee, Youngu

“…The transition of polymer solar cells (PSCs) from laboratory‐scale unit cells to industrial‐scale modules requires the development of new p‐type polymers for…”
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A wide-bandgap π-conjugated polymer for high-performance ternary organic solar cells with an efficiency of 17.40 by Gokulnath, Thavamani, Choi, Jungmin, Park, Ho-Yeol, Sung, Kyungmin, Do, Yeongju, Park, Hyungjin, Kim, Junyoung, Reddy, Saripally Sudhaker, Kim, Jehan, Song, Myungkwan, Yoon, Jinhwan, Jin, Sung-Ho

“…Although substantial progress has been made at increasing power conversion efficiencies (PCEs) the field of ternary organic solar cells (TOSCs) during the past…”
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