Hee Jae Kim, Sun Kim, Kwang Heo, Jae-Hong Lim, Hitoshi Yashiro, Seung-Taek Myung

Advanced Energy Materials

2022-11-26

Aqueous zinc-ion batteries (ZIBs) are attractive in energy storage due to the use of aqueous electrolytes that ensures safety and ease of handling all parts in air. However, catastrophic zinc dendritic growth on zinc met...

Ermioni Papadopoulou, Gwan Woo Kim, Petros Koumoutsakos, Gunn Kim

Current Applied Physics

2022-11-03

The filling process of nanoconduits is an active research topic. In this study, we use molecular dynamics simulations to identify the filling process of water molecules in a multiply connected carbon nanotube (MCCNT). F...

Si-Hong Lee, Yun Chang Park, Jinwoong Chae, Gunn Kim, Hyuk Jin Kim, Byoung Ki Choi, In Hak Lee, Young Jun Chang, Seung-Hyun Chun, Minkyung Jung, Jungpil Seo and Sunghun Lee

Journal of Materials Chemistry C

2022-11-28

A charge density wave (CDW) transition is one of the fundamental quantum phenomena used to unveil the interactions between electrons and phonons that are coexisting or competing with other intriguing quantum phases, such...

Zeesham Abbas, Kisa Fatima, Syed Hassan Abbas Jaffery, Asif Ali, Hafiz Hamid Raza, Shabbir Muhammad, H.Algarni, Sajjad Hussain, Jongwan Jung

Journal of Computational Science

2022-07-22

We have studied electronic, optical and spintronic properties of Nb based complex materials NaNdANbO6F (A= Ti, Zr, Co, Ni) by using density functional theory (DFT) calculations. State-of-the-art generalized gradient appr...

Ghazanfar Nazir, Adeela Rehman, Sajjad Hussain, Sikandar Aftab, Kwang Heo, Muhammad Ikram, Supriya A. Patil, and Muhammad Aizaz Ud Din

Advanced Sustainable Systems

2022-09-15

The hydrogen economy is an envisaged system proposed for a sustainable energy future that comprises hydrogen production, storage, transportation, and stationary/mobile applications. Recently, research efforts are devoted...

Jinwoong Chae, Gunn Kim

Applied Surface Science

2022-11-03

 We present the optimized atomic and electronic structures of a defective Ca2N bilayer with a monovacancy. Using first-principles calculations, we investigate the effect of a vacancy on the electronic properties of ...

Syed Muhammad Zain Mehdi, Tae Hun Shin, Sayed Zafar Abbas, Hyeokjun Kwon, Yongho Seo, Donghwan Kim, Sang Jeen Hong, Jeung Choon Goak, Naesung Lee

Ceramics International

2023-02-01

Multi-walled carbon nanotubes (MWCNTs) grown by chemical vapor deposition (CVD), which are commercially available in large quantities, commonly show poor field emission characteristics due to their low crystallinity. In ...

KIm, Hee Jae and Jo, Jae Hyeon and Kim, Ji Young and Jung, Jiwon and Park, Jae-Ho and Jung, Hun-Gi and Chung, Kyung Yoon and Kim, Min Gyu and Lee, Naesung and Sohn, Kee-Sun and Myung, Seung-Tack

Energy Storage Materials

2022-11-19

We introduce an unexpected finding of the de/protonation associated conversion reaction occurred in K2V3O8 as a promising cathode material for zinc-ion batteries. The structure undergoes a conversion reaction between amo...

Su Yeon Kim, Min Chan Kim, Hyeong Yong Song, Kyu Hyun*, and Sung Chul Hong

Polymer Testing

2022-09-13

In this study, azidoformate (AF) is investigated as a reactive functional group to mediate noncatalytic C–H insertion reactions to interconnect polypropylene (PP) chains to generate long-chain branches (LCBs). 4,4&...

Muhammad Suleman, Sohee Lee, Minwook Kim, Van Huy Nguyen, Muhammad Riaz, Naila Nasir, Sunil Kumar, Hyun Min Park, Jongwan Jung, and Yongho Seo

ACS omega

2022-08-21

Due to its semiconducting nature, controlled growth of large-area chemical vapor deposition (CVD)-grown two-dimensional (2D) molybdenum disulfide (MoS2) has a lot of potential applications in photodetectors, sensors, and...