Search Results - "Kim, Dokyum"

How to improve the structural stabilities of halide perovskite quantum dots: review of various strategies to enhance the structural stabilities of halide perovskite quantum dots by Kim, Dokyum, Yun, Taesun, An, Sangmin, Lee, Chang-Lyoul

“…Halide perovskites have emerged as promising materials for various optoelectronic devices because of their excellent optical and electrical properties. In…”
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Oxygen migration energy in La and Y Co-doped CeO2: Effect of lattice constant and grain boundary segregation by Lee, Ho-Chang, Kim, Dokyum, Lee, Jung-A, Heo, Young-Woo, Kim, Jeong-Joo, Lee, Joon-Hyung

“…The transfer energy of oxygen vacancy of La and Y co-doped CeO2 is investigated in which the total amount of La and Y is fixed at 20 at%. Although both the…”
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Over a thousand-fold enhancement of the spontaneous emission rate for stable core−shell perovskite quantum dots through coupling with novel plasmonic nanogaps by Silalahi, Vanna Chrismas, Kim, Dokyum, Kim, Minjun, Adhikari, Samir, Jun, Seongmoon, Cho, Yong-Hoon, Lee, Donghan, Lee, Chang-Lyoul, Jang, Yudong

“…High Purcell enhancement structures and stable emitters are essential prerequisites for the successful development of novel fast-operating active devices…”
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Ultrafast photo-induced carrier dynamics of perovskite quantum dots during structural degradation by Jo, Cheol, Kim, Dokyum, Lee, Chang-Lyoul, Ko, Do-Kyeong

“…In this study, the ultrafast photo-induced carrier dynamics of red-emitting PQDs during structural degradation was investigated using time-resolved transient…”
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Electrophoretic deposition and low-temperature densification of Cu1.35Mn1.65O4 spinel for an interconnect protective coating in solid oxide fuel cells by Oh, Seong-Uk, Kim, Dokyum, Lee, In-Taek, Choi, Chan-Sik, Lee, Jung-A, Heo, Young-Woo, Lee, Joon-Hyung

“…As a protective coating of the interconnects in solid oxide fuel cells, spinel-structured Cu1.35Mn1.65O4 powder was coated onto 460FC stainless steel by using…”
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Fabrication of Rb2TeI6 thin films for stable, lead-free perovskite photodetector via dry-processed approach by Hoat, Phung Dinh, Vo, Van Khoe, Hung, Pham Tien, Oh, Seong-Uk, Kim, Dokyum, Lee, Joon-Hyung, Lee, Sangwook, Heo, Young-Woo

“…In the vacancy-ordered double perovskite group, rubidium tellurium iodide is a rarely studied material. In this paper, we report the fabrication of Rb2TeI6…”
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Effect of tin (II and IV) iodide doping on organic–inorganic bismuth (III) iodide perovskite by Yun, Yeonghun, Kim, Dokyum, Park, Byungjin, Heo, Young-Woo, Lee, Joon-Hyung, Lee, Sangwook

“…•(CH3NH3)3Bi2I9, a lead-free perovskite-like material, is doped with SnI2 and SnI4.•Tin exists as Sn4+ when SnI4 is doped while Sn2+ and Sn4+ when SnI2 is…”
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Effect of Zn doping on the structure and electrical conductivity of Mn1.5Co1.5O4 spinel by Kim, Dokyum, Kim, Seung Hyan, Lee, Jung-A, Heo, Young-Woo, Lee, Joon-Hyung

“…Electrical conductivity is one of the most important concerns in spinel-structured antioxidant films coated on a solid oxide fuel cell separator, and the…”
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Deconstructing big data for development (BD4D): continuities and reflections of development discourse in the age of datafication by Kim, Michael Dokyum

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Communicating Development Through US News: Toward Decolonizing "News About Development" by Kim, Michael Dokyum

“…Drawing on a content analysis of 263 news articles on US development assistance from 2011 to 2020 across three US media outlets, the study investigates the…”
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Advocating "Refugees" for Social Justice: Questioning Victimhood and Voice in NGOs' Use of Twitter by Kim, Michael Dokyum

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News values and human values in mediated terrorism: Photographic representations of the 2015 Beirut and Paris attacks by global news agencies by Kim, Michael Dokyum

“…This study explores the photographic representations of two terrorist incidents, the 2015 Paris attacks and the Beirut bombings, produced by the leading global…”
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Contested agendas and discursive strategies of sustainability: A critical analysis of promotional discourses at the World Expo by Lee, Kyungsun Karen, Kim, Michael Dokyum

“…Sustainability is a global discourse that relies on local commitment, yet few studies have compared how different countries interpret it based on their…”
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Mapping participation in ICT4D: A meta-analytic review of development communication research by Kim, Michael Dokyum, Lee, Kyung Sun

“…We conducted a meta-analytic study of recent (2009 to 2020) information and communication technologies for development (ICT4D) research in the field of…”
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Representing 'development' on Instagram: questioning 'what', 'who', and 'how' of development in digital space by Kim, Michael Dokyum, Wilkins, Karin Gwinn

“…Development institutions communicate about development through mediated communication strategies. The advent of image-intensive digital spaces such as…”
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