Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yeasin Khan"'
Autor:
Faiza Shoukat, Ju Hwan Kang, Yeasin Khan, Yu Jung Park, Jin Hee Lee, Bright Walker, Jung Hwa Seo
Publikováno v:
Advanced Materials Interfaces, Vol 10, Iss 17, Pp n/a-n/a (2023)
Abstract Despite achieving high efficiencies over a short time, further streamlining of hybrid lead‐halide perovskite solar cell (PSC) designs is necessary for their commercial viability. In this contribution, a new class of interfacial hole transp
Externí odkaz:
https://doaj.org/article/0b688adad1cd40a2afc39d15638aff6e
Autor:
Yeasin Khan, Soonjae Hwang, Ramanaskanda Braveenth, Young Hun Jung, Bright Walker, Jang Hyuk Kwon
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Compared to inorganic nanoparticles, organic nanoparticles aren’t as well understood. Here the authors explore the use of surfactants to prepare organic semiconductor nanoparticles with outstanding photophysical properties.
Externí odkaz:
https://doaj.org/article/f6318bd7ff0d4af4a704cf7bf293ca87
Autor:
Intissar Hamdi, Yeasin Khan, Fatma Aouaini, Jung Hwa Seo, Hyun-Joo Koo, Mark M. Turnbull, Bright Walker, Houcine Naïli
Publikováno v:
Journal of Materials Chemistry C. 10:3738-3745
Hybrid organic–inorganic perovskites (HOIPs) have attracted considerable attention for their scientific and technological potential in photovoltaics and optoelectronic devices.
Publikováno v:
Materials Advances. 3:2123-2130
We investigate the effect of the polyelectrolyte lithium poly(styrene sulfonate) (Li:PSS) on the electronic band structure of organic solar cells and find that it functions as a hole transport layer, allowing improved efficiency and device stability.
Autor:
Ki-Woong Kim, Jung Hwa Seo, Bright Walker, Jin Hee Lee, Ju Hwan Kang, Yeasin Khan, Yeonjin Yi, Yu Jung Park, Kausar Ali Khawaja
Publikováno v:
Chemistry – An Asian Journal. 16:3151-3161
Despite the exceptional efficiency of perovskite solar cells (PSCs), further improvements can be made to bring their power conversion efficiencies (PCE) closer to the Shockley-Queisser limit, while the development of cost-effective strategies to prod
Publikováno v:
Journal of Materials Chemistry C. 8:13953-13971
The interaction between ionic moieties and the electronic properties of organic and hybrid semiconductors can yield a variety of interesting and sometimes surprising effects. Ionic moieties can induce interface dipoles, support electrochemical doping
Autor:
Hoon Sik Kim, Jaeki Jeong, Yeasin Khan, Jung Hwa Seo, Hyuna Lee, Je Seung Lee, Bright Walker, Yun Seop Shin, Jang Hyuk Kwon, Jin Young Kim, Yohan Ahn
Publikováno v:
Journal of Materials Chemistry C. 8:5873-5881
We’ve observed intense fluorescence from the surface of lead formate crystals when they are precipitated from a CH3NH3PbBr3 (MAPbBr3) perovskite precursor solution. The crystals exhibit emission in the range of 500–550 nm with a photoluminescence
Autor:
Yong Jin Kim, Hye Jin Lee, Minserk Cheong, Bright Walker, Thanh Tung Nguyen, Jin Joo Oh, Yeasin Khan, Hoon Sik Kim, Cheong Il Chung
Publikováno v:
Applied Catalysis B: Environmental. 242:460-468
The oxidative carbonylation of alcohols to prepare corresponding dialkyl carbonates was investigated using alkali metal methylselenite [MSeO2(OCH3)] and alkali metal selenites (M2SeO3, M = Li, Na, K, Cs) as catalysts. Of various alcohols tested, meth
Publikováno v:
Applied Surface Science. 588:152826
Publikováno v:
Dyes and Pigments. 182:108634
The potential of hybrid organic-inorganic perovskite solar cells (PSCs) as a next-generation photovoltaic technology has attracted enormous research interest due to their remarkably low cost and outstanding photo-physical properties. Increasing their