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of 41
pro vyhledávání: '"Helen Hejin Park"'
Autor:
Helen Hejin Park, David J. Fermin
Publikováno v:
Nanomaterials, Vol 13, Iss 24, p 3112 (2023)
Over the last decade, research in organic–inorganic lead halide perovskite solar cells (PSCs) has gathered unprecedented momentum, putting the technology on the brink of full-scale commercialization. A wide range of strategies have been implemented
Externí odkaz:
https://doaj.org/article/038cbce5c68646ca935250a169c8a107
Autor:
Helen Hejin Park
Publikováno v:
Nanomaterials, Vol 12, Iss 23, p 4326 (2022)
Rapid development of the device performance of organic-inorganic lead halide perovskite solar cells (PSCs) are emerging as a promising photovoltaic technology. Current world-record efficiency of PSCs is based on tin oxide (SnO2) electron transport la
Externí odkaz:
https://doaj.org/article/31f2ab0bf19940c7bb3d8c97d5b125e0
Autor:
Helen Hejin Park
Publikováno v:
Nanomaterials, Vol 12, Iss 1, p 112 (2021)
Although power conversion efficiencies of organic-inorganic lead halide perovskite solar cells (PSCs) are approaching those of single-crystal silicon solar cells, the working device stability due to internal and external factors, such as light, tempe
Externí odkaz:
https://doaj.org/article/a19ab2badb5d4a06a7e5438cabeb86d4
Publikováno v:
ACS Omega, Vol 2, Iss 4, Pp 1259-1264 (2017)
Externí odkaz:
https://doaj.org/article/152cf078fce94510ad1a34bf811a8aaa
Autor:
Helen Hejin Park
Publikováno v:
Nanomaterials, Vol 11, Iss 1, p 88 (2021)
Organic–inorganic hybrid perovskite solar cells (PSCs) have received much attention with their rapid progress during the past decade, coming close to the point of commercialization. Various approaches in the process of PSC development have been exp
Externí odkaz:
https://doaj.org/article/4abc23a002c34269b838b972a46a152b
Publikováno v:
Journal of Materials Chemistry A. 11:6615-6624
We develop a series of poly(triarylamine)-based polymers with hydrophilic OEG side chains. The DEG-PTAA-based perovskite solar cell shows the highest efficiency of 22.26% with superior operational stability to the other devices.
Autor:
Helen Hejin, Park
Publikováno v:
Nanomaterials (Basel, Switzerland). 12(23)
Rapid development of the device performance of organic-inorganic lead halide perovskite solar cells (PSCs) are emerging as a promising photovoltaic technology. Current world-record efficiency of PSCs is based on tin oxide (SnO
Autor:
Helen Hejin Park
Publikováno v:
Electronic Materials Letters. 17:18-32
Inorganic–organic halide perovskite solar cells have attracted significant attention to the photovoltaic community considering their high-efficiency, tunable bandgap, low-cost, and easy fabrication. Perovskite solar cells are especially an attracti
Autor:
Hyunmin Jung, Chan Su Moon, Jihoo Lim, Jae Sung Yun, Nam Joong Jeon, Jangwon Seo, Helen Hejin Park, Moonyong Kim, Geunjin Kim, Xiaojing Hao, Gyeong Sun Jang
Publikováno v:
ACS applied materialsinterfaces. 13(26)
This report addresses indium oxide doped with titanium and tantulum with high near-infrared transparency to potentially replace the conventional indium tin oxide transparent electrode used in semitransparent perovskite devices and top cells of tandem
Autor:
Tae-Woon Kang, Mac Kim, Jangwon Seo, Eui Hyuk Jung, Sung Hyun Kim, Sang-Jin Lee, Helen Hejin Park
Publikováno v:
Solar Energy Materials and Solar Cells. 191:55-61
Optical films with antireflective and self-cleaning surfaces have much potential for applications in solar cells, architectural glasses, and outdoor displays. Here we demonstrate the fabrication of novel self-cleaning antireflection (AR) thin films b