Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Ha Nee Umh"'
Publikováno v:
Electrochemistry Communications, Vol 99, Iss , Pp 27-31 (2019)
Li-metal is one of the most promising anode materials for electrochemical energy storage. However, the growth of Li dendrites during electrochemical deposition leads to low Coulombic efficiency and safety concerns and has long hindered the applicatio
Externí odkaz:
https://doaj.org/article/f079d75f997f4b5b942b2020058f5556
Autor:
Jongheop Yi, Ha Nee Umh, Jeong W. Han, Su Y. Lee, Yong H. Kim, Jang Wook Choi, Hyeon Don Song
Publikováno v:
ACS Applied Materials & Interfaces. 12:15239-15245
Z-scheme transfer is an ideal photocatalytic system with stronger redox ability, but its design and construction still lack understanding. Herein, the work function difference and the band bending are found to be the determining factors for the const
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09ccf36495133439bab8f439d6d5332a
https://doi.org/10.1021/acsami.0c00669
https://doi.org/10.1021/acsami.0c00669
Autor:
Su Young Lee, Seongjun Bae, Jinhee Choi, Jongheop Yi, Jaeseong Jeong, Younghun Kim, Ji-wan Kim, Ha Nee Umh, Su-Yong Bae
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-9 (2019)
Scientific Reports
Scientific Reports
The perovskite solar cell (PSC) is a rapidly advancing solar technology with high efficiencies and low production costs. However, as the PSC contains methylammonium lead iodide (CH3NH3PbI3, MAPbI3) in the light-harvesting active layer, addressing the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21c89a93c5820522676586db9f15aec9
http://link.springer.com/article/10.1038/s41598-018-37229-8
http://link.springer.com/article/10.1038/s41598-018-37229-8
Publikováno v:
Electrochemistry Communications, Vol 99, Iss, Pp 27-31 (2019)
Li-metal is one of the most promising anode materials for electrochemical energy storage. However, the growth of Li dendrites during electrochemical deposition leads to low Coulombic efficiency and safety concerns and has long hindered the applicatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed6fee1a5b52cb80bdb52ccb02856693
http://www.sciencedirect.com/science/article/pii/S1388248118303382
http://www.sciencedirect.com/science/article/pii/S1388248118303382
Autor:
Ha Nee Umh, Yong Hwa Kim, Su Young Lee, Jongheop Yi, Young Geun Yoo, Seongjun Bae, Sung Eun Jerng, Jong-Seok Park, Younghun Kim
Publikováno v:
Journal of Industrial and Engineering Chemistry. 70:453-461
In this research, environmental fate modeling (EFM) was studied to evaluate exposed lead-containing compounds in PSCs and their impact on the environment and on humans. Two major accidental situations involving the environment and exposure to compoun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::106540b592039a0d2910b6b5a2b84d1b
https://doi.org/10.1016/j.jiec.2018.11.008
https://doi.org/10.1016/j.jiec.2018.11.008
Autor:
Jiseok Kwon, Minyeong Je, Ghulam Ali, Shi-Zhang Qiao, Kyung Yoon Chung, Kenneth Davey, Taeseup Song, HyukSu Han, Yu Rim Hong, Kang Min Kim, Ungyu Paik, Dong Ha Lim, Ha Nee Umh, Sungwook Mhin, Heechae Choi
Publikováno v:
Energy & Environmental Science. 12:2443-2454
The development of cost-effective and high-performance electrocatalysts for water oxidation has attracted intense research interest. It was reported recently that the interface between the amorphous and crystalline phases plays a significant role in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8080d54b9ebda314cce9dc96fbf91746
https://doi.org/10.1039/c9ee00950g
https://doi.org/10.1039/c9ee00950g
Publikováno v:
Nano Energy. 26:479-487
The broad energy distribution of solar spectrum is one of the intrinsic factors limiting the efficiency of photocatalytic systems. Here we show a fluorescence resonance energy transfer (FRET)-assisted upconversion process across three components for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cda79e950cb53275a6de788be08edfec
https://doi.org/10.1016/j.nanoen.2016.06.008
https://doi.org/10.1016/j.nanoen.2016.06.008
Publikováno v:
ACS Applied Materials & Interfaces. 8:15802-15808
Structural colors of the ordered photonic nanostructures are widely used as an effective platform for manipulating the propagation of light. Although several approaches have been explored in attempts to mimic the structural colors, improving the repr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46f281130c002abea21d67159a485f55
https://doi.org/10.1021/acsami.6b03717
https://doi.org/10.1021/acsami.6b03717
Autor:
Chyan Kyung Song, Ha Nee Umh, Tae Yong Kim, Jongheop Yi, Ji Bong Joo, Seongjun Bae, Yong Hwa Kim, Su Young Lee
Publikováno v:
Catalysis Communications. 136:105921
This work focuses on the charge state modulation from a controllable metal-semiconductor energetic alignment. Pt nanoparticles on rutile TiO2 are positively charged under visible light condition by synergetic charge separation. The extent and rate of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9a967cb7bb8b5e42099dc5bf432269f
https://doi.org/10.1016/j.catcom.2019.105921
https://doi.org/10.1016/j.catcom.2019.105921
Publikováno v:
Korean Journal of Chemical Engineering. 32:299-302
Anodic aluminum oxide (AAO) is a self-organized nanostructured material that contains high-density, uniform cylindrical pores that are aligned perpendicularly to the surface of the materials. Therefore, AAO nanostructures are very useful templates fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f0fcede2faaaf7269c44f4f05cb8d41
https://doi.org/10.1007/s11814-014-0201-5
https://doi.org/10.1007/s11814-014-0201-5