Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Yeonghun Yun"'
Autor:
Jina Jung, Hye Jin Jeon, Sung Woong Yang, Myeong-geun Choi, Devthade Vidyasagar, Jeong Hyeok Kim, Ryun Bo Shim, Yeonghun Yun, Sehoon Han, In Sun Cho, Jee Eun Han, Sangwook Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 1875-1882 (2024)
Herein, we investigate the effects of temperature and thiourea addition rate on the synthesis of copper sulfide nanoparticles (CuS NPs) via a chemical co-precipitation method, exploring their impact on the size and morphology of CuS NPs. Our systemat
Externí odkaz:
https://doaj.org/article/c2f5710bf24b4045bfa98895c8a23ec3
Autor:
Rajendra Kumar Gunasekaran, Jina Jung, Sung Woong Yang, Jungchul Yun, Yeonghun Yun, Devthade Vidyasagar, Won Chang Choi, Chang‐Lyoul Lee, Jun Hong Noh, Dong Hoe Kim, Sangwook Lee
Publikováno v:
InfoMat, Vol 5, Iss 4, Pp n/a-n/a (2023)
Abstract Mixed tin–lead perovskites suffer from structural instability and rapid tin oxidation; thus, the investigation of their optimal composition ranges is important to address these inherent weaknesses. The critical role of triple cations in mi
Externí odkaz:
https://doaj.org/article/75650f8367b741d988a1f03698f405ab
Autor:
Yeonghun Yun, Devthade Vidyasagar, Minho Lee, Oh Yeong Gong, Jina Jung, Hyun‐Suk Jung, Dong Hoe Kim, Sangwook Lee
Publikováno v:
Advanced Science, Vol 8, Iss 21, Pp n/a-n/a (2021)
Abstract Solvent engineering by Lewis‐base solvent and anti‐solvent is well known for forming uniform and stable perovskite thin films. The perovskite phase crystallizes from an intermediate Lewis‐adduct upon annealing‐induced crystallization
Externí odkaz:
https://doaj.org/article/1f0dba86fd154e409f39e6c643c8e887
Autor:
Yeonghun Yun, Hanbyeol Cho, Jina Jung, Sung Woong Yang, Devthade Vidyasagar, Rajendra Kumar Gunasekaran, Sangwook Lee
Publikováno v:
Journal of Materials Science & Technology. 152:100-108
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::180fd09b0043b8a47abcde4bb6feef03
https://doi.org/10.1016/j.jmst.2022.12.041
https://doi.org/10.1016/j.jmst.2022.12.041
Publikováno v:
Ceramics International. 48:3368-3373
Over the recent past, lead-based halide perovskite materials have drawn significant attention due to their excellent optical and electrical properties for solar cells and optoelectronics applications. However, the toxicity of lead elements and instab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff32ecd9092d7e2a53f9bd5c9e3e6e78
https://doi.org/10.1016/j.ceramint.2021.10.112
https://doi.org/10.1016/j.ceramint.2021.10.112
Autor:
Yeonghun Yun, Gill Sang Han, Gyu Na Park, Jihyun Kim, Jinhong Park, Devthade Vidyasagar, Jina Jung, Won Chang Choi, Young Jin Choi, Kwang Heo, Joohoon Kang, Ji‐Sang Park, Hyun Suk Jung, Sangwook Lee
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 34(51)
A self-powered, color-filter-free blue photodetector (PD) based on halide perovskites is reported. A high external quantum efficiency (EQE) of 84.9%, which is the highest reported EQE in blue PDs, is achieved by engineering the A-site monovalent cati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2b1c0421ef8307a271bc0272b969387
https://pubmed.ncbi.nlm.nih.gov/36210726
https://pubmed.ncbi.nlm.nih.gov/36210726
Publikováno v:
Journal of Industrial and Engineering Chemistry. 89:375-382
We report an environmentally benign and economical approach for the large-scale production of methylammonium halides (MAX, X = I or Br) and formamidinium halides (FAX, X = I or Br) as core materials in perovskite solar cells (PSCs), which have emerge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30c5aa5f64fb290b70bb487610e85a05
https://doi.org/10.1016/j.jiec.2020.06.006
https://doi.org/10.1016/j.jiec.2020.06.006
Autor:
Min-cheol Kim, Dong Geon Lee, Seung Lee Kwon, Sangwook Lee, Mansoo Choi, Jae Bum Jeon, Hyun Suk Jung, Young Un Jin, Yeonghun Yun, Gerrit Boschloo, Byeong Jo Kim
Publikováno v:
ACS Applied Materials & Interfaces. 12:7125-7134
Perovskite solar cells (PSCs), which have surprisingly emerged in recent years, are now aiming at commercialization. Rapid, low-temperature, and continuous fabrication processes that can produce high-efficiency PSCs with a reduced fabrication cost an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bec78ada45ce678339dc04538a18ba4a
https://doi.org/10.1021/acsami.9b19030
https://doi.org/10.1021/acsami.9b19030
Autor:
Si Hong Lee, Sangwook Lee, Yeonghun Yun, Joon-Hyung Lee, Ho Chang Lee, Dong Hoe Kim, Se-Yun Kim, Jun Hong Noh, Dae-Hwan Kim, Yujin Nam, Young Woo Heo
Publikováno v:
Acta Materialia. 181:460-469
Halide perovskites attract enormous attention as promising light absorption and emission materials for photovoltaics and optoelectronic applications. Here we report ternary diagrams of the phase, optical bandgap energy (Eg) and photoluminescence inte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5daa02e5053187c467e3be00313e3e3f
https://doi.org/10.1016/j.actamat.2019.10.008
https://doi.org/10.1016/j.actamat.2019.10.008
Autor:
Sangwook Lee, Minho Lee, Yeonghun Yun, Hyun Suk Jung, Oh Yeong Gong, Devthade Vidyasagar, Dong Hoe Kim, Jina Jung
Publikováno v:
Advanced Science
Advanced Science, Vol 8, Iss 21, Pp n/a-n/a (2021)
Advanced Science, Vol 8, Iss 21, Pp n/a-n/a (2021)
Solvent engineering by Lewis‐base solvent and anti‐solvent is well known for forming uniform and stable perovskite thin films. The perovskite phase crystallizes from an intermediate Lewis‐adduct upon annealing‐induced crystallization. Herein,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d02795e971874e4734cd061d83840e3
http://europepmc.org/articles/PMC8564438
http://europepmc.org/articles/PMC8564438