Sunil Kumar, Dongwoon Kang, Van Huy Nguyen, Naila Nasir, Hyeryeon Hong, Minwook Kim, Dinh Cong Nguyen, Yeon-jae Lee, Naesung Lee, and Yongho Seo

ACS Applied Materials & Interfaces

2021-08-19

Among various available materials used in transparent and flexible devices, MXenes are attracting attention as a brand-new candidate in this category. Ti3C2Tx MXene as a 2D material has exceptional properties, making it...

Mahesh Datt Bhatt, Gunn Kim

Applied Surface Science

2021-08-19

We investigated the atomic and electronic structures of metal-functionalized graphene using density functional theory calculations. As dopants, Fe, Co, Ni, and Cu atoms were considered in the form of a single transition ...

Chang‐Heum Jo, Natalia Voronina, Yang‐Kook Sun, Seung‐Taek Myung

Advanced Materials

2021-08-01

Materials in nature have evolved to the most efficient forms and have adapted to various environmental conditions over tens of thousands of years. Because of their versatile functionalities and environmental friendliness...

Natalia Voronina and Seung-Taek Myung

Energy Material Advances

2021-07-30

The development of sodium-ion batteries (SIBs), which are promising alternatives to lithium-ion batteries (LIBs), offers new opportunities to address the depletion of Li and Co resources; however, their implementation is...

Muhammad Faizan, Sajjad Hussain, Dhanasekaran Vikraman, Basit Ali, Hyun-Seok Kim, Jongwan Jung, Kyung-Wan Nam

Journal of Materials Research & Technology

2021-07-30

Highly conductive Mo2C networks were embedded with uniformly stacked MoS2 nanosheets via a hydrothermal reaction. The fabricated interfacial MoS2@Mo2C hybrid nanostructures were systematically ascertained by X-ray d...

Sang Hyun Yoon, Seonyeong Kim, Hwi Je Woo, Jiyoon Kim, Young Woong Kim, Sunae Seo, Eunji Yoo, Jinwoo Cho, Young Jae Song, Young Jin Choi

Applied Surface Science

2021-07-20

Quantum dot light-emitting diodes (QLEDs) has been developed toward flexibility without sacrificing optical and electrical performances as in the case of organic light-emitting diodes (OLEDs) display. The biggest challen...

Jongwan Jung, Baegmo Son, Byungmin Kam, Yong Sang Joh, Woonyoung Jeong, Seongjae Cho, Won-Jun Lee and Sangjoon Park

Materials

2021-07-03

The key process steps for growing high-quality Si-based epitaxial films via reduced pressure chemical vapor deposition (RPCVD) are investigated herein. The quality of the epitaxial films is largely affected by ...

Sajjad Hussaina, Hailiang Liu, Dhanasekaran Vikraman, Muhammad Hussain, Syed Hassan Abbas Jaffery, Asif Ali, Hyun-Seok Kim, Jungwon Kang, Jongwan Jung

Journal of Alloys and Compounds

2021-07-02

Transition metal carbide (Mo2C) and carbon nanotubes (CNTs) have been used to modify the hole transport layers (HTLs) in perovskite solar cells (PSCs) and photodetectors due to their high metallic conductivity, superior ...

Natalia Voronina, Najma Yaqoob, Hee Jae Kim, Kug-Seung Lee, Hee-Dae Lim, Hun-Gi Jung, Olivier Guillon, Payam Kaghazchi, and Seung-Taek Myung

Advanced Energy Materials

2021-05-19

Herein, stable cationic and anionic redox in an O3-type layered Na[Ni2/3Ru1/3]O2 cathode for sodium-ion batteries (SIBs) is revealed. Density functional theory (DFT) calculation shows that the electron density features c...

Hee Jae Kim, Jae Hyeon Jo, Ji Ung Choi, Natalia Voronina, DocheonAhn, Tae-Yeol Jeon, Hitoshi Yashiro, Yauhen Aniskevich, Genady Ragoisha, Eugene Streltsov, Seung-Taek Myung

Energy Storage Materials

2021-05-14

We, for the first time, report potassium storage in carbon-modified Li4Ti5O12 spinel (C-LTO), where the carbon coating increases the electrical conductivity from ~10−7 to ~10−1 S cm−1. C-LTO provides a ...