Jun Ho Yu, Natalia Voronina, Najma Yaqoob, Sungkyu Kim, Anil Kumar Paidi, Docheon Ahn, Kyuwook Ihm, Keun Hwa Chae, Min-Gi Jeong, Hun-Gi Jung, Olivier Guillon, Payam Kaghazchi, Seung-Taek Myung

ACS Energy Letters

2024-01-12

The effect of the 4d Ru element in P2-Na0.6[Mg0.2Ru0.2Mn0.6]O2 is investigated. Ru-free Na0.6[Mg0.2Mn0.8]O2is activated with Mn3+/Mn4+ redox, after which the charge iscompensated by the sluggish oxidation of lattice oxyg...

Jae Hyuck Lee, Gwan Woo Kim, Inkyung Song, Yejin Kim, Yeonjae Lee, Sung Jong Yoo, Deok-Yong Cho, Jun-Won Rhim, Jongkeun Jung, Gunn Kim, Changyoung Kim

ACS Nano

2024-08-30

 condensed matter physics, the Kagome latticeand its inherent flat bands have attracted considerable attentionfor their prediction and observation to host a variety of exoticphysical phenomena. Despite extensive eff...

Sajjad Hussain, Dhanasekaran Vikraman, Zulfqar Ali Sheikh, Zeesham Abbas, Sikandar Aftab, Ghazanfar Nazir, Deok-Kee Kim, Hyun-Seok Kim, Jongwan Jung

Renewable Energy

2024-05-11

Layered transition metal dichalcogenides are effective electrocatalysts for water splitting due to their unique properties such as high electrical conductivity, active site density, and catalytic properties. This study f...

Muhammad Hussain, Sohail Abbas, Usama Waleed Qazi, Muhammad Riaz, Asif Ali, Fazal Wahab, Anis Fatima, Sajjad Hussain, Zdeněk Sofer and Jongwan Jung

Nanoscale

2024-10-28

Infrared radiation detection is significantly important in communication, imaging, and sensing fields. Here, we present the integration of germanium selenide (GeSe) with a metal–oxide heterojunction to achieve effi...

Muhammad Riaz, Syed Hassan Abbas Jaffery, Zeesham Abbas, Muhammad Hussain, Muhammad Suleman, Sajjad Hussain, Sikandar Aftab, Yongho Seo, and Jongwan Jung

Advanced Optical Materials

2024-03-11

The fabrication of van der Waals heterostructures (vdWHs) has drawn considerable interest because of their wide range of functionalities. Herein, a novel PdSe2/ReSe2 vdWHs with gate-tunable rectification behavior and exc...

Si-Young Bae, Dong-Eun Kim, Min-Sung Kong, Seokgi Kim, Yunhwa Hong, Kwang Heo, Sungkyu Kim, Min-Su Park

J. of Alloys and Compounds

2024-08-15

Heteroepitaxial growth of gallium oxide (Ga2O3) thin films has been conducted on nickel (Ni)-nanodot-induced buffer layers using a mist chemical vapor deposition. The separation degree and droplet size of the Ni nanodots...

Minkyung Lee, Youngmin Kim, Sang Hyeon Mo, Sungkyu Kim, Kitae Eom, Hyungwoo Lee

Small

2024-01-12

Emulating synaptic functionalities in optoelectronic devices is significant in developing artificial visual‐perception systems and neuromorphic photonic computing. Persistent photoconductivity (PPC) in metal oxides pro...

Namju Kim, Jungyeop Oh, Sungkyu Kim, Jun-Hwe Cha, Junhwan Choi, Sung Gap Im, Sung-Yool Choi, Byung Chul Jang

Advanced Functional Materials

2024-01-06

Artificial Intelligence (AI) technology has attracted tremendous interest in the medical community, from image analysis to lesion diagnosis. However, progress in medical AI is hampered by a lack of available medical image da...

Won Young An, Seonghee Kim, WonJun Lee, Sungyong Choi, Sung Ryul Choi, Seojeong Yoo, Jeong Woo Han, Oi Lun Li, Jun-Young Park

Applied Catalysis B-Environment and Energy

2024-12-05

To enhance their competitiveness of water-splitting cells and rechargeable zinc-air batteries, it is crucial to incorporate robust and enduring electrocatalysts to facilitate oxygen evolution reaction (OER) during both e...

Kwangho Park, Muhammad Saqib, Hyungwoo Lee, Donghwi Shin, Minkyeong Jo, Kwang Min Park, Muhammad Hamayun, Seo Hyun Kim, Sungkyu Kim, Kug-Seung Lee, Ryan O’Hayre, Minseok Choi, Sun-Ju Song and Jun-Young Park

Energy & Environmental Science

2024-01-10

Further development of oxygen catalysts with high electrocatalytic activity and hydration ability is crucial to improve the performance of electrochemical energy storage and conversion devices such as reversible fuel cel...