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메인 제목 Advanced Materials Interfaces, Main Cover of Inaugural Issue 
메인 소개 내용  

Enhanced HGeneration of Au-Loaded, Nitrogen-Doped TiOHierarchical Nanostructures under Visible Light
Brundabana  Naik, Sun Mi Kim, Chan Ho Jung, Song Yi Moon, Sang Hoon Kim, and Jeong Young Park 
Advanced Materials Interfaces

Hierarchical N-doped TiO2nanostructured catalysts with micro-, meso-, and macroporosity are synthesized by a facile self-formation route using ammonia and titanium isopropoxide precursor. UV–vis diffuse reflectance spectra confirm the red shift and band gap narrowing due to the doping of N species in the TiOnanoporous catalyst. Hierarchical macroporosity with fibrous channel patterning is observed and well preserved even after calcination at 800 °C, indicating thermal stability, whereas micro- and mesoporosity are lost after calcination at 500 °C. The photocatalytic activity of hiearchical N doped catalysts loaded with Au is evaluated for H2 production reaction in visible light. The enhanced photocatalytic activity is attributed to the combined synergetic effect of N doping for visible light absorption, micro- and mesoporosity for an increase of effective surface area and light harvestation, and hierarchical macroporous fibrous structure for multiple reflection and effective charge transfer.


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나노물질 개질 이용한 인공광합성 효율 증대 원리 개발 [Advanced Materials Interface 창간호 메인표지논문선정박정영교수팀]

 

국내연구진이 나노물질 개질을 이용한 인공광합성 효율 증대 원리를 개발했다.

기초과학연구원(IBS)은 나노물질 및 화학반응 연구단 그룹리더 박정영 연구진(KAIST EEWS대학원 교수) KIST 김상훈 박사와의 공동연구를 통해 빛에 노출되면 촉매제의 역할을 하는 광촉매인 이산화 티타늄의 나노구조화 및 질소 도핑을 통해 인공광합성의 효율을 증대시키는 원리를 발견했다고 16일 밝혔다.

 

연구결과는 에너지 저장 및 전환 등 화학공학 분야와 소재 및 바이오 분야 발전에 기여할 것으로 기대된다최근 지구 온난화와 화석자원의 고갈지구 환경의 보존을 위해 재생가능 에너지기술의 핵심기술 확보가 급격하게 요구되면서 해당 분야 연구가 전 세계적으로 이뤄지고 있다.

 

이러한 문제를 근본적으로 해결할 수 있는 기술로 태양광 에너지를 연료로 축적하는 기술인 인공광합성이 점차 주목 받고 있는 가운데 가시광선과 물을 이용해 연료로 사용가능한 수소를 제조해 내는 기술이 대표적이다연구진은 이산화티타늄을 연탄 모양과 같이 계층이 정렬된 계층적 다공성을 지닌 구조로 제작해 구조적인 특성을 바꾼 다음 질소를 투입하고 전기적인 특성을 바꿨다.

 

이산화 티타늄의 인공광합성 효율을 개선하고 빛을 이용해 인공광합성이 원활히 이뤄질 수 있는 새로운 방법을 개발했다연구진은 물질이 계층성을 지니면서 정렬된 경우 그렇지 않은 경우에 비해 2질소 도핑을 한 경우는 도핑이 되지 않았을 때와 비교해 효율을 30% 높이는 결과를 얻었다.

 

지금까지의 관련 연구들이 이산화티타늄을 질소 도핑하거나 다공성 물질로 만드는 부분만이 보고됐으나 이번 연구는 세계 최초로 질소 도핑과 계층적 다공성을 모두 지니고 있는 물질을 개발했다는 점에서 의미가 있다계층적 다공성 신소재를 구현한 이번 연구성과는 어드밴스드 머터리얼스 인터페이스 창간호 메인 표지논문으로 선정됐다.

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 2023.12.13 496
공지 Commentary Lectures on 2023 Novel Chemistry Prize Winning Achievement [Nov 1, 2023] 관리자 2023.12.13 507
공지 Dooho’s Small Paper was selected as Back Cover of the Issue 관리자 2023.12.13 484
공지 Professor Park has recently been appointed as the Associate Editor for "Surface Science and Technology", a newly established journal published by Springer. 관리자 2023.05.30 602
공지 SCALE lab members attended the 19th Korea-Japan Symposium on Catalysis (May 15-17, 2023), and Kyoungjae won Oral Presentation Award. 관리자 2023.05.30 552
공지 The research article on hot electron phenomena achieved recognition as the Issue Cover in Nano Letters. 관리자 2023.05.30 741
공지 Hot Electron Collaboration with Prof. Lee SiWoo (Nano Letters) was publicized 관리자 2023.04.03 911
공지 Professor Park gave a talk at the Great Scholar Decisions (2023. 3. 10). 관리자 2023.04.03 888
공지 Public Article about Chemistry and Application of Quasicrystal by Prof. Park 관리자 2023.04.03 836
공지 SCALE lab members attended Korean Society of Surface Analysis (Daejeon, Nov 22-24) 관리자 2022.11.28 1220
공지 Prof. Park was elected to be the member of Korean Academy of Science and Technology (2023). 관리자 2022.11.28 1084
공지 SCALE lab members attended AVS 68th International Symposium & Exhibition (Pittsburgh, PA USA, November 6-11, 2022) 관리자 2022.11.28 1112
공지 SCALE lab members attended Korean Chemical Society Meeting (Gyeongju, Oct 19-21) 관리자 2022.11.28 1057
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 1492
공지 Dr. Heeyoung Kim’s work was published in The Journal of Chemical Physics and selected as Issue Cover 관리자 2022.09.14 1120
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 2995
공지 Group members got poster awards from 18JKSC, PAL user meeting, and IWOX-XIII 관리자 2022.02.15 4757
공지 Yongman Kim’s paper has been selected as the Back Cover of Advanced Materials Interfaces 관리자 2022.02.15 1998
공지 Prof. Park chaired the 13th International Workshop on Oxide Surfaces (IWOX-XIII). 관리자 2022.02.15 1489
공지 the 13th International Workshop on Oxide Surfaces (IWOX-XIII) will be held in Pyeongchang, Republic of Korea 관리자 2021.05.17 5314
공지 “Atomic scale tackling of greenhouse gas” highlighted by KAIST Compass 관리자 2021.05.17 5526
공지 “Plasmonic hot hole driven water splitting” work has been highlighted 관리자 2021.05.17 6036
공지 Editor of Nature Comm featured our article, entitled “How Rh surface breaks CO2 molecules under ambient pressure” 관리자 2021.03.08 2217
공지 Dr. Siwoo Lee’s hot electron work was introduced in media 관리자 2021.03.08 2721
공지 Outside Front Cover was selected for Hanseul’s Catalysis Science & Technology paper 관리자 2021.03.08 2652
공지 Park Yujin was selected as one of recipient of Posco Science Fellowship in 2020 관리자 2020.11.16 7612
공지 Hot hole measurement (published in Advanced Science) have been introduced in news media 관리자 2020.11.16 40376
공지 Ambient pressure studies on CO2 dissociation (published in Nat Comm) have been introduced in news media 관리자 2020.11.16 9360
공지 Dr. Mondal’s Advanced Functional Materials paper was selected as Inside Front Cover. 관리자 2020.01.27 21566
공지 Prof. Park gave an on-line talk in MRS Webinar Series for the special issue about “ 관리자 2020.01.27 22103
공지 Dr. Sunyoung Oh’s paper will appear as a Feature Article in JCP in a special topic on 관리자 2020.01.27 28931
공지 Advanced Functional Materials paper (in collaboration with Prof. Jong Hoon Jung in Inha Univ) was selected as Front Cover. 관리자 2019.11.18 28009
공지 Hot electron research of SCALE laboratory was highlighted in Electronic Newspaper 관리자 2019.11.18 19763
공지 Two-dimensional FeS2 encapsulated Au was selected as the Inside Cover 관리자 2019.09.27 24675
공지 IBS-RIKEN Joint Symposium [Oct 17-18] 관리자 2019.09.27 30098
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 37384
공지 IBS-KAIST Symposium on Operando Surface Science and Catalysis 관리자 2019.03.27 39565
공지 Direct Imaging of Surface Plasmon-driven Hot Electron 관리자 2019.01.23 35678
공지 Ambient pressure AFM was developed in SCALE lab 관리자 2018.10.29 40597
공지 Professor Park wrote the Perspective Article in Science regarding self-cleaning on TiO2 관리자 2018.10.29 38348
공지 Highlight article about ambient pressure STM was introduced in Chemistry World (Korean) 관리자 2018.10.29 47624
공지 Kalyan and Hyosun’s ChemComm paper was selected as Inside Cover 관리자 2018.08.17 42000
공지 Sunyoung’s work was selected as Inside Front Cover of ChemComm 관리자 2018.08.17 49239
공지 Visualizing Chemical Reaction on Bimetal Surfaces 관리자 2018.08.17 45902
공지 Nature Communications paper was highlighted in Nature Research Chemistry Community 관리자 2018.06.08 55552
공지 Front Cover Selected in Nanoscale 관리자 2018.06.08 71291
공지 The Fifth Symposium of Center for Nanomaterials and Chemical Reactions 관리자 2018.05.14 45918
공지 Top 100 Scientific Reports Chemistry papers in 2017 관리자 2018.04.08 60892
공지 Dr. Joong Il Jake Choi received the first prize at Best Poster Awards of ISEST 2018. 관리자 2018.01.22 65453
공지 Dr. Hyunsoo Lee was selected as one of the winners of 2017 IBS Outstanding Researcher Awards. 관리자 2017.12.22 60367
공지 IBS CNCR Symposium : Surface Chemistry and Catalysis 관리자 2017.10.25 63914
공지 Review article about “catalytronics” was published. 관리자 2017.09.11 72815
공지 EEWS 2016 Workshop was introduced in ACS Energy Letters 관리자 2017.02.17 83825
공지 Hot electron work was selected as KAIST Top 10 Research Achievements 관리자 2017.02.17 77343
공지 Hyosun Lee and Changwhan Lee got Samsung Humantech Award 관리자 2017.02.07 71021
공지 Graphene/Pt(111) STM image was shown at Art in Science during IBS Symposium 관리자 2016.11.27 78718
공지 Friction on graphene work was highlighted in YTN Science Prime 관리자 2016.10.31 72606
공지 IBS Symposium on “Understanding photocatalytic materials at the atomic level” was held on July 14 관리자 2016.09.12 70704
공지 SCALE group attended IVC-20 conference in Busan 관리자 2016.09.12 79664
공지 Hot electrons detected at solid-liquid interfaces (Sciencedaily, YTN, and other media) 관리자 2016.07.10 74300
공지 Angewandte Chemie paper was selected as the Front Cover 관리자 2016.07.10 74632
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 105781
공지 Best Poster Award at ISFM 2016 관리자 2016.03.07 78016
공지 Issue Cover Selected in Chemical Physics Letters 관리자 2016.03.07 78028
공지 박정영교수팀, ‘꿈의 신소재’ 그래핀 통해 새로운 핫전자 촉매센서 개발 관리자 2016.03.07 78870
공지 Advanced Materials Interfaces Front Cover Selected 관리자 2016.01.15 105108
공지 First group result of ambient pressure STM was published in JACS 관리자 2016.01.15 76818
공지 Science talk in the Library at Sejong Library 관리자 2015.11.23 80806
공지 Hot electron work was highlighted in IBS Research 관리자 2015.11.23 90598
공지 SCALE lab welcomes new group members 관리자 2015.09.08 80742
공지 Hot electron work was selected as KAIST breakthroughs 관리자 2015.09.08 79153
공지 Six Most Downloaded Catalysis Books in 2014 관리자 2015.07.05 82729
공지 Editorial Board of Scientific Reports 관리자 2015.05.18 83727
공지 Nanoporous Au work was highlighted in YTN 관리자 2015.05.18 81690
공지 Chemical Reviews Issue Cover selected 관리자 2015.04.20 88796
공지 SCALE lab welcomes four new members 관리자 2015.04.18 82927
공지 Surface structure can tailor adhesion [Nanotechweb Technology Update] 관리자 2015.03.10 83287
공지 Surprising current domains of misoriented graphene on graphite [Nanotechweb LAB TALK] 관리자 2015.03.03 80631
공지 Chemicurrent work by Hyosun was highlighted in media 관리자 2015.02.22 83690
공지 Angewandte Chemie paper was selected as Frontispiece 관리자 2015.02.12 80366
공지 Nanotechnology paper was selected as Cover 관리자 2015.02.12 77535
공지 KAIST Times highlighted research of SCALE laboratory 관리자 2014.12.15 74345
공지 ENGE Poster Awards (Kamran and SongYi) 관리자 2014.11.22 81565
공지 Prof. Park gave a public lecture at library 관리자 2014.10.31 75891
9 Sun Mi Kim - Hoimyung Research Award of 2014 Korean Institute of Chemical Engineers (KIChE) Spring Meeting file 관리자 2014.07.03 36713
8 Awards from Korean Physical Society(물리학회) & Korean Institute for Chemical Engineer(화학공학회) 관리자 2014.06.15 23434
» Advanced Materials Interfaces, Main Cover of Inaugural Issue file 관리자 2014.06.15 22841
6 2014 KINC Fusion Research Award [Sun Mi Kim] file 관리자 2014.06.15 20152
5 Mathematics Donga (수학동아, 2014년 4월호) Highlighted Quasicrystal Research file 관리자 2014.06.15 16089
4 First IBS-RIKEN Workshop on Surface Science (KAIST, Feb 12-13, 2014) file 관리자 2014.06.15 15184
3 YTN Highlights SCALE lab's research on artificial photosynthesis file 관리자 2014.06.15 13440
2 Excellent Poster Awards in the 1st Muju International Winter School (Feb, 09-13) file 관리자 2014.06.15 12182
1 SCALE lab welcomes three new members 관리자 2014.06.15 11529