web
  • HOME
  • >
  • BOARD
  • >
  • News

정렬번호 31 
메인 제목 “Atomic scale tackling of greenhouse gas” highlighted by KAIST Compass 
메인 소개 내용 SCALE lab’s CO2 work has been highlighted by KAIST Compass

See the following link
Atomic scale tackling of greenhouse gas - KAIST Compass

https://kaistcompass.kaist.ac.kr/?category_id=9&magazine=atomic-scale-tackling-of-greenhouse-gas 

scale lab group website 0516-3.jpg

 

SCALE lab’s CO2 work has been highlighted by KAIST Compass

 

See the following link

Atomic scale tackling of greenhouse gas - KAIST Compass

 

 

https://kaistcompass.kaist.ac.kr/?category_id=9&magazine=atomic-scale-tackling-of-greenhouse-gas

 

Atomic scale tackling of greenhouse gas

Sharply rising level of CO, a major greenhouse gas, have escalated a climate crisis that affects the living conditions of humankind, leading to the most uncertain natural environment on our planet since the agricultural revolution. A fundamental understanding of chemical processes of CO on catalytic surfaces is of great importance for facile utilization and storage of CO. The research team led by Prof. Park observed the CO dissociation process at the atomic level by using ambient pressure scanning tunneling microscopy. Furthermore, the selectivity of generation of CO during the catalytic reaction was controlled by engineering metal-oxide interfaces and hot electron flux.

 Utilization of carbon dioxide (CO) molecules has led to increased interest in the sustainable synthesis of methane or methanol. The representative reaction intermediate consisting of a carbonyl or formate group determines yields of the fuel source during catalytic reactions. However, the selective initial surface reaction processes have been assumed without a fundamental understanding at the molecular level. In collaboration with Professor Hyun You Kim from the Department of Materials Science and Engineering, Chungnam National University, and Prof. Bongjin Simon Mun at the Department of Physics, GIST, the research team at KAIST carried out in situ observations of spontaneous CO dissociation over the model rhodium (Rh) catalyst at 0.1 mbar CO. The linear geometry of CO gas molecules turns into a chemically active bent structure at the interface, which allows non-uniform charge transfer between chemisorbed CO and surface Rh atoms. By combining scanning tunneling microscopy, X-ray photoelectron spectroscopy at near-ambient pressure, and computational calculations, the team revealed strong evidence for chemical bond cleavage of O‒CO* with ordered intermediate structure formation of (2 × 2)-CO on an atomically flat Rh(111) surface at room temperature [1] (Figure 1). These combined investigations provide fundamental insights for determining the selectivity of energy source production at the molecular level and therein contribute to the rational design of catalytic factors for improving CO utilization. This study was published in Nature Communications in November 2020.

 Another important way to control catalysts is via engineering metal-oxide interfaces, which are associated with energy dissipation and conversion processes during surface reactions, on a catalytic nanodiode. The architecture of these devices allows for quick extraction of hot electrons across metal–semiconductor interfaces before thermalization, thereby supplying key evidence of non-adiabatic charge transfer during surface reactions.
In collaboration with Professor Yousung Jung from the Department of Chemical and Biomolecular Engineering, and Prof. Yeon Sik Jung from the Department of Materials Science and Engineering, the research team at KAIST demonstrated a novel strategy to control the catalytic selectivity using hot electron flux on catalytic nanodiodes.[2] The team showed that the selectivity toward the generation of CO
 can be reduced during methanol oxidation by engineering metal-oxide interfaces. They observed the reaction-induced electronic excitation at the nanoscale metal-oxide interface, which was made possible by the real-time detection of hot electrons excited by the catalytic reaction in the newly designed Pt nanowires/TiO2 system (Figure 2). This technique for using the catalytic nanodiodes provides a powerful and highly sensitive tool for studying the processes of charge transfer at metal-oxide interfaces excited by surface chemical reactions. This study was published in Nature Communications in January 2021.

[References]
1. Jeongjin Kim, Hyunwoo Ha, Won Hui Doh, Kohei Ueda, Kazuhiko Mase, Hiroshi Kondoh, Bongjin Simon Mun*, Hyun You Kim* and Jeong Young Park*
How Rh surface breaks CO
molecules under ambient pressure
Nat. Comm 11, 5649 (2020) [https://www.nature.com/articles/s41467-020-19398-1]

2. Si Woo Lee, Jong Min Kim, Woonghyeon Park, Hyosun Lee, Gyu Rac Lee, Yousung Jung*, Yeon Sik Jung*, and Jeong Young Park*
Controlling hot electron flux and catalytic selectivity with nanoscale metal-oxide interfaces
Nat. Comm. 12, 40 (2021) [https://www.nature.com/articles/s41467-020-20293-y]

 

scale lab group website 0516-4.jpg

 

Figure 1.Representative atomic-resolution scanning tunneling microscopy images of (left) clean Rh (111) surface, and (center) Rh under CO, and (right) Rh under CO gas conditions. Images in the bottom show atomistic ball model illustrations of the surfaces. Dark blue, black, and red balls represent Rh, C, and O atoms, respectively.

 

scale lab group website 0516-5.jpg

Figure 2.The scheme showing the novel strategy to control the catalytic selectivity by catalytic nanodiode. The selectivity toward CO can be reduced by engineering metal-oxide interfaces

Web address for full article : https://www.nature.com/articles/s41467-020-19398-1
https://www.nature.com/articles/s41467-020-20293-y

the Name of Journal : Nature Communications

 

Laboratory web-address of the author : http://scale.kaist.ac.kr/

 

번호 제목 글쓴이 날짜 조회 수
공지 Prof. Park received Award from Ministry of Science and ICT [과학기술정보통신부 장관 표창, 융합연구개발 부분] [Nov 09, 2023] 관리자 2023.12.13 546
공지 Commentary Lectures on 2023 Novel Chemistry Prize Winning Achievement [Nov 1, 2023] 관리자 2023.12.13 553
공지 Dooho’s Small Paper was selected as Back Cover of the Issue 관리자 2023.12.13 518
공지 Prof. Park gave a Lecture on "KAIST Advanced Institute for Science-X" about seeing atoms 관리자 2023.09.12 75
공지 Nature Comm paper about CO2 Dissociation on Cu(997) was publicized. 관리자 2023.09.12 81
공지 Professor Park has recently been appointed as the Associate Editor for "Surface Science and Technology", a newly established journal published by Springer. 관리자 2023.05.30 642
공지 SCALE lab members attended the 19th Korea-Japan Symposium on Catalysis (May 15-17, 2023), and Kyoungjae won Oral Presentation Award. 관리자 2023.05.30 584
공지 The research article on hot electron phenomena achieved recognition as the Issue Cover in Nano Letters. 관리자 2023.05.30 826
공지 Hot Electron Collaboration with Prof. Lee SiWoo (Nano Letters) was publicized 관리자 2023.04.03 985
공지 Professor Park gave a talk at the Great Scholar Decisions (2023. 3. 10). 관리자 2023.04.03 962
공지 Public Article about Chemistry and Application of Quasicrystal by Prof. Park 관리자 2023.04.03 925
공지 SCALE lab members attended Korean Society of Surface Analysis (Daejeon, Nov 22-24) 관리자 2022.11.28 1270
공지 Prof. Park was elected to be the member of Korean Academy of Science and Technology (2023). 관리자 2022.11.28 1140
공지 SCALE lab members attended AVS 68th International Symposium & Exhibition (Pittsburgh, PA USA, November 6-11, 2022) 관리자 2022.11.28 1186
공지 SCALE lab members attended Korean Chemical Society Meeting (Gyeongju, Oct 19-21) 관리자 2022.11.28 1122
공지 The talk entitled “Atomic Scale Friction Properties of Two-dimensional Intercalated Water Layers” was given at Korean Tribology Society Meeting and Best presentation award was given. 관리자 2022.11.28 1541
공지 Dr. Heeyoung Kim’s work was published in The Journal of Chemical Physics and selected as Issue Cover 관리자 2022.09.14 1188
공지 Dr. Woosuk Choi’s work (in collaboration with Prof. Ryong Ryoo) was published in Carbon and selected as Issue Cover 관리자 2022.04.18 3045
공지 Group members got poster awards from 18JKSC, PAL user meeting, and IWOX-XIII 관리자 2022.02.15 4840
공지 Yongman Kim’s paper has been selected as the Back Cover of Advanced Materials Interfaces 관리자 2022.02.15 2050
공지 Prof. Park chaired the 13th International Workshop on Oxide Surfaces (IWOX-XIII). 관리자 2022.02.15 1541
공지 the 13th International Workshop on Oxide Surfaces (IWOX-XIII) will be held in Pyeongchang, Republic of Korea 관리자 2021.05.17 5369
» “Atomic scale tackling of greenhouse gas” highlighted by KAIST Compass 관리자 2021.05.17 5579
공지 “Plasmonic hot hole driven water splitting” work has been highlighted 관리자 2021.05.17 6097
공지 Editor of Nature Comm featured our article, entitled “How Rh surface breaks CO2 molecules under ambient pressure” 관리자 2021.03.08 2284
공지 Dr. Siwoo Lee’s hot electron work was introduced in media 관리자 2021.03.08 2786
공지 Outside Front Cover was selected for Hanseul’s Catalysis Science & Technology paper 관리자 2021.03.08 2724
공지 Park Yujin was selected as one of recipient of Posco Science Fellowship in 2020 관리자 2020.11.16 7676
공지 Hot hole measurement (published in Advanced Science) have been introduced in news media 관리자 2020.11.16 40440
공지 Ambient pressure studies on CO2 dissociation (published in Nat Comm) have been introduced in news media 관리자 2020.11.16 9425
공지 Dr. Mondal’s Advanced Functional Materials paper was selected as Inside Front Cover. 관리자 2020.01.27 21615
공지 Prof. Park gave an on-line talk in MRS Webinar Series for the special issue about “ 관리자 2020.01.27 22172
공지 Dr. Sunyoung Oh’s paper will appear as a Feature Article in JCP in a special topic on 관리자 2020.01.27 28993
공지 Advanced Functional Materials paper (in collaboration with Prof. Jong Hoon Jung in Inha Univ) was selected as Front Cover. 관리자 2019.11.18 28066
공지 Hot electron research of SCALE laboratory was highlighted in Electronic Newspaper 관리자 2019.11.18 19836
공지 Two-dimensional FeS2 encapsulated Au was selected as the Inside Cover 관리자 2019.09.27 24748
공지 IBS-RIKEN Joint Symposium [Oct 17-18] 관리자 2019.09.27 30147
공지 Perovskite-based hot electron plasmonic nanodiode was developed. The higher hot electron flux and longer lifetime were observed on this photovoltaic device. 관리자 2019.08.27 37435
공지 IBS-KAIST Symposium on Operando Surface Science and Catalysis 관리자 2019.03.27 39631
공지 Direct Imaging of Surface Plasmon-driven Hot Electron 관리자 2019.01.23 35748
공지 Ambient pressure AFM was developed in SCALE lab 관리자 2018.10.29 40659
공지 Professor Park wrote the Perspective Article in Science regarding self-cleaning on TiO2 관리자 2018.10.29 38400
공지 Highlight article about ambient pressure STM was introduced in Chemistry World (Korean) 관리자 2018.10.29 47688
공지 Kalyan and Hyosun’s ChemComm paper was selected as Inside Cover 관리자 2018.08.17 42049
공지 Sunyoung’s work was selected as Inside Front Cover of ChemComm 관리자 2018.08.17 49294
공지 Visualizing Chemical Reaction on Bimetal Surfaces 관리자 2018.08.17 45964
공지 Nature Communications paper was highlighted in Nature Research Chemistry Community 관리자 2018.06.08 55612
공지 Front Cover Selected in Nanoscale 관리자 2018.06.08 71357
공지 The Fifth Symposium of Center for Nanomaterials and Chemical Reactions 관리자 2018.05.14 45975
공지 Top 100 Scientific Reports Chemistry papers in 2017 관리자 2018.04.08 60948
공지 Dr. Joong Il Jake Choi received the first prize at Best Poster Awards of ISEST 2018. 관리자 2018.01.22 65512
공지 Dr. Hyunsoo Lee was selected as one of the winners of 2017 IBS Outstanding Researcher Awards. 관리자 2017.12.22 60405
공지 IBS CNCR Symposium : Surface Chemistry and Catalysis 관리자 2017.10.25 63989
공지 Review article about “catalytronics” was published. 관리자 2017.09.11 72882
공지 EEWS 2016 Workshop was introduced in ACS Energy Letters 관리자 2017.02.17 83890
공지 Hot electron work was selected as KAIST Top 10 Research Achievements 관리자 2017.02.17 77394
공지 Hyosun Lee and Changwhan Lee got Samsung Humantech Award 관리자 2017.02.07 71075
공지 Graphene/Pt(111) STM image was shown at Art in Science during IBS Symposium 관리자 2016.11.27 78783
공지 Friction on graphene work was highlighted in YTN Science Prime 관리자 2016.10.31 72659
공지 IBS Symposium on “Understanding photocatalytic materials at the atomic level” was held on July 14 관리자 2016.09.12 70770
공지 SCALE group attended IVC-20 conference in Busan 관리자 2016.09.12 79734
공지 Hot electrons detected at solid-liquid interfaces (Sciencedaily, YTN, and other media) 관리자 2016.07.10 74366
공지 Angewandte Chemie paper was selected as the Front Cover 관리자 2016.07.10 74692
공지 Dr. Sun Mi Kim has been awarded the Young Scientist Prize of the 16th International Congress on Catalysis (ICC 16) 관리자 2016.04.29 105838
공지 Best Poster Award at ISFM 2016 관리자 2016.03.07 78072
공지 Issue Cover Selected in Chemical Physics Letters 관리자 2016.03.07 78084
공지 박정영교수팀, ‘꿈의 신소재’ 그래핀 통해 새로운 핫전자 촉매센서 개발 관리자 2016.03.07 78927
공지 Advanced Materials Interfaces Front Cover Selected 관리자 2016.01.15 105152
공지 First group result of ambient pressure STM was published in JACS 관리자 2016.01.15 76883
공지 Science talk in the Library at Sejong Library 관리자 2015.11.23 80887
공지 Hot electron work was highlighted in IBS Research 관리자 2015.11.23 90660
공지 SCALE lab welcomes new group members 관리자 2015.09.08 80815
공지 Hot electron work was selected as KAIST breakthroughs 관리자 2015.09.08 79212
공지 Six Most Downloaded Catalysis Books in 2014 관리자 2015.07.05 82780
공지 Editorial Board of Scientific Reports 관리자 2015.05.18 83782
공지 Nanoporous Au work was highlighted in YTN 관리자 2015.05.18 81755
공지 Chemical Reviews Issue Cover selected 관리자 2015.04.20 88851
공지 SCALE lab welcomes four new members 관리자 2015.04.18 82979
공지 Surface structure can tailor adhesion [Nanotechweb Technology Update] 관리자 2015.03.10 83340
공지 Surprising current domains of misoriented graphene on graphite [Nanotechweb LAB TALK] 관리자 2015.03.03 80702
공지 Chemicurrent work by Hyosun was highlighted in media 관리자 2015.02.22 83783
공지 Angewandte Chemie paper was selected as Frontispiece 관리자 2015.02.12 80423
공지 Nanotechnology paper was selected as Cover 관리자 2015.02.12 77600
공지 KAIST Times highlighted research of SCALE laboratory 관리자 2014.12.15 74428
공지 ENGE Poster Awards (Kamran and SongYi) 관리자 2014.11.22 81615
공지 Prof. Park gave a public lecture at library 관리자 2014.10.31 75948
105 June 2010 관리자 2014.06.15 7457
104 New members (Jinheui Hwang and Fabien Rose) joined the SCALE lab 관리자 2014.06.15 7530
103 November 2009 관리자 2014.06.15 7541
102 November - December 2010 관리자 2014.06.15 7594
101 금요일에 과학터치 강연 [이상한 전자를 이용한 에너지소자 만들기] 관리자 2014.06.15 7734
100 May 2011 관리자 2014.06.15 7741
99 October 2009 관리자 2014.06.15 7773
98 May 2010 관리자 2014.06.15 7783
97 January 2011 관리자 2014.06.15 7812
96 SCALE Lab joined in Institute for Basic Science file 관리자 2014.06.15 7813
95 SCALE lab was introduced in Physics and High Technology (Korean Physical Society) file 관리자 2014.06.15 7861
94 June 2011 관리자 2014.06.15 7887
93 한국연구재단 Webzine (2012, December) 나노촉매의 활성도를 효과적으로 높일 수 있는 원리 규명 관리자 2014.06.15 7902
92 KAIST News "Principle behind increasing the catalytic property of nanocatalysts proven" 관리자 2014.06.15 7904
91 August 2011 관리자 2014.06.15 7932
90 RHK Tech Image of the Month (March, 2013) Selected file 관리자 2014.06.15 7990
89 January 2010 관리자 2014.06.15 8014
88 Book by Prof. Park "Current Trends in Surface Science and Catalysis" has been published file 관리자 2014.06.15 8014
87 October 2013 Tribology and Lubrication Technology - Cutting Edge file 관리자 2014.06.15 8077