Yeojoon Yoon
연세대학교 환경공학과 · 재료과학
이 교수의 연구실은 수중 오염물질, 특히 약물 잔류물과 항생제와 같은 신규 오염물질의 효과적 제거를 목표로 하며, 주로 음파를 활용한 고체 촉매 반응인 소노촉매 반응 기반의 환경 정화 기술을 연구하고 있습니다. Cr₂AlC, Ti₂SnC 등 MAX 상 및 MoS₂, LDH, 생탄 기반 나노복합재료를 활용한 고성능 촉매 개발에 주력하고 있으며, 특히 표면적과 밴드 갭 최적화를 통한 촉매 활성 향상을 추구합니다. 다양한 분석 기법을 기반으로 한 물리화학적 특성 분석과 함께 실생활 오염물질 제거 성능 평가를 병행합니다.
표시된 성과는 수집된 데이터 기준으로 산출되며, 일부 차이가 있을 수 있습니다.
This study aims to investigate the sonocatalytic activation of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) using Cr<sub>2</sub>AlC MAX phase prepared by the reactive sintering process. The hexagonal structure of the crystalline MAX phase was confirmed by X-ray diffraction. Moreover, the compacted layered structure of the MAX phase was observed via scanning electron microscopy and high-resolution transmission electron microscopy. Under the desired operating conditions, Cr<sub>2</sub>AlC MAX ph
Contamination of water resources by pharmaceutical residues, especially during the time of pandemics, has become a serious problem worldwide and concerns have been raised about the efficient elimination of these compounds from aquatic environments. This study has focused on the development and evaluation of the sonocatalytic activity of a flower-like MoS<sub>2</sub>/CNTs nanocomposite for the targeted degradation of hydroxychloroquine (HCQ). This nanocomposite was prepared using a facile hydroth
In light of growing environmental concerns over emerging contaminants in aquatic environments, antibiotics in particular, have prompted the development of a new generation of effective sonocatalytic systems. In this study, a new type of nano-laminated material, Ti<sub>2</sub>SnC MAX phase, is prepared, characterized, and evaluated for the sonocatalytic degradation of oxytetracycline (OTC) antibiotic. A variety of identification analyses, including X-ray diffraction, scanning electron microscopy,
Layered double hydroxides (LDH) are widely used in a variety of industries due to their unique structural characteristics. It is essential to comprehend the environmental behavior and toxicological impacts of these substances to address potential risks caused by LDH release into the environment. In this study, CuFe and Cobalt (Co)-doped CuFe LDHs were synthesized and their toxicities to Chlorella vulgaris were investigated. In the scanning electron microscope images, the Co-doped and undoped cat
Layered double hydroxides (LDHs) are lamellar and stable nanocatalysts driven by visible light. They have received much attention in the context of advanced oxidation processes. Their catalytic performance is remarkably restricted owing to undesired aggregation and the possibility of electron-hole recombination. To address these issues, we engineered carbon-nanotube (CNT)-and biochar (BC)-based CuCr LDH nanocomposites via a facile hydrothermal method. The synthesized nanocomposites were physical
Organic dyes constitute an integral part of industrial effluents. Advanced oxidation processes are efficient methods for the degradation of organic pollutants, one of the most promising of which is sonocatalysis. In this study, we aimed to immobilize MoS2 nanopetals on honeycomb-like biochar through a one-step hydrothermal method and evaluate its sonocatalytic performance in the degradation of acid blue 7 (AB7). The MoS2-Biochar composite demonstrated enhanced sonocatalytic activity, approved by
