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Simultaneous Enhancement of Charge Separation and Hole Transportation in a W:α-Fe2O3/MoS2 Photoanode: A Collaborative Approach of MoS2 as a Heterojunction and W as a Metal Dopant

Autor: Meysam Tayebi, Morteza Kolaei, Zohreh Masoumi, Joon I. Jang, Byeong-Kyu Lee, Hongsun Ryu, Ahmad Tayyebi

Publikováno v: ACS Applied Materials & Interfaces. 13:39215-39229

In this study, a facile approach has been successfully applied to synthesize a W-doped Fe2O3/MoS2 core-shell electrode with unique nanostructure modifications for photoelectrochemical performance. A two-dimensional (2D) structure of molybdenum disulf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16ed50b5988fa64658c45e9dc8dceff9
https://doi.org/10.1021/acsami.1c08139

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Role of the A-Site Cation in Low-Temperature Optical Behaviors of APbBr3 (A = Cs, CH3NH3)

Autor: Tae Jung Kim, Joon I. Jang, Mun Seok Jeong, Kyle M. McCall, Hye Ryung Byun, Mercouri G. Kanatzidis, Hongsun Ryu, Dae Young Park

Publikováno v: Journal of the American Chemical Society. 143:2340-2347

APbBr3 (A = Cs, CH3NH3) are prototype halide perovskites having bandgaps of 2.30-2.35 eV at room temperature, rendering their apparent color nearly identical (bright orange but opaque). Upon optical excitation, they emit bright photoluminescence (PL)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f1415a79ab5758bdc1bef2c80f9adf2
https://doi.org/10.1021/jacs.0c11980

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Perovskite-like Framework Encapsulated with Fe-Based Magnetic Units in Ba10Fe3Sb7Se24

Autor: Kuei Fang Hsu, Hongsun Ryu, Chen I. Yang, Wei Cheng Lin, Chien Yen Weng, Joon I. Jang

Publikováno v: Inorganic Chemistry. 59:5509-5517

Ba10Fe3Sb7Se24 was synthesized using a KBr flux at 850 °C (Crystal Data: orthorhombic, Cmc21, a = 9.3412(2) A, b = 44.6666(10) A, c = 12.5496(3) A, V = 5236.2(2) A3, and Z = 4). The compound adopts a new three-dimensional framework constructed by th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bfce6d5c6e59a18dd8d376044f3a55c9
https://doi.org/10.1021/acs.inorgchem.0c00113

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Observation of 3D Biexcitons in Pristine-Quality CH

Autor: Hongsun, Ryu, Jeehong, Park, Seo Hyun, Nam, Joon Woo, Park, Kitae, Kim, Yeonjin, Yi, Joon I, Jang

Publikováno v: Advanced materials (Deerfield Beach, Fla.). 34(12)

Halide perovskites (HPs) are fascinating materials whose optoelectronic properties are arguably excitonic. In the HP family, biexcitons are known to exist only in low dimensions where exciton-exciton binding is strongly enhanced by quantum and dielec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5f74978cbcd6cc3a184f2f8cdee3239b
https://pubmed.ncbi.nlm.nih.gov/35040202

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Static Rashba Effect by Surface Reconstruction and Photon Recycling in the Dynamic Indirect Gap of APbBr

Autor: Hongsun, Ryu, Dae Young, Park, Kyle M, McCall, Hye Ryung, Byun, Yongjun, Lee, Tae Jung, Kim, Mun Seok, Jeong, Jeongyong, Kim, Mercouri G, Kanatzidis, Joon I, Jang

Publikováno v: Journal of the American Chemical Society. 142(50)

Recently, halide perovskites have gained significant attention from the perspective of efficient spintronics owing to the Rashba effect. This effect occurs as a consequence of strong spin-orbit coupling under a noncentrosymmetric environment, which c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::81b1bdc5b28bb221a3710dfc91f2a8c9
https://pubmed.ncbi.nlm.nih.gov/33217232

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