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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 2023.12.13 604
공지 Commentary Lectures on 2023 Novel Chemistry Prize Winning Achievement [Nov 1, 2023] 관리자 2023.12.13 608
공지 Dooho’s Small Paper was selected as Back Cover of the Issue 관리자 2023.12.13 565
공지 Prof. Park gave a Lecture on "KAIST Advanced Institute for Science-X" about seeing atoms 관리자 2023.09.12 116
공지 Nature Comm paper about CO2 Dissociation on Cu(997) was publicized. 관리자 2023.09.12 118
공지 Professor Park has recently been appointed as the Associate Editor for "Surface Science and Technology", a newly established journal published by Springer. 관리자 2023.05.30 693
공지 SCALE lab members attended the 19th Korea-Japan Symposium on Catalysis (May 15-17, 2023), and Kyoungjae won Oral Presentation Award. 관리자 2023.05.30 633
공지 The research article on hot electron phenomena achieved recognition as the Issue Cover in Nano Letters. 관리자 2023.05.30 892
공지 Hot Electron Collaboration with Prof. Lee SiWoo (Nano Letters) was publicized 관리자 2023.04.03 1042
공지 Professor Park gave a talk at the Great Scholar Decisions (2023. 3. 10). 관리자 2023.04.03 1021
공지 Public Article about Chemistry and Application of Quasicrystal by Prof. Park 관리자 2023.04.03 984
공지 SCALE lab members attended Korean Society of Surface Analysis (Daejeon, Nov 22-24) 관리자 2022.11.28 1382
공지 Prof. Park was elected to be the member of Korean Academy of Science and Technology (2023). 관리자 2022.11.28 1186
공지 SCALE lab members attended AVS 68th International Symposium & Exhibition (Pittsburgh, PA USA, November 6-11, 2022) 관리자 2022.11.28 1239
공지 SCALE lab members attended Korean Chemical Society Meeting (Gyeongju, Oct 19-21) 관리자 2022.11.28 1188
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 1599
공지 Dr. Heeyoung Kim’s work was published in The Journal of Chemical Physics and selected as Issue Cover 관리자 2022.09.14 1260
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 3105
공지 Group members got poster awards from 18JKSC, PAL user meeting, and IWOX-XIII 관리자 2022.02.15 4890
공지 Yongman Kim’s paper has been selected as the Back Cover of Advanced Materials Interfaces 관리자 2022.02.15 2105
공지 Prof. Park chaired the 13th International Workshop on Oxide Surfaces (IWOX-XIII). 관리자 2022.02.15 1590
공지 the 13th International Workshop on Oxide Surfaces (IWOX-XIII) will be held in Pyeongchang, Republic of Korea 관리자 2021.05.17 5441
공지 “Atomic scale tackling of greenhouse gas” highlighted by KAIST Compass 관리자 2021.05.17 5640
공지 “Plasmonic hot hole driven water splitting” work has been highlighted 관리자 2021.05.17 6148
공지 Editor of Nature Comm featured our article, entitled “How Rh surface breaks CO2 molecules under ambient pressure” 관리자 2021.03.08 2331
공지 Dr. Siwoo Lee’s hot electron work was introduced in media 관리자 2021.03.08 2853
공지 Outside Front Cover was selected for Hanseul’s Catalysis Science & Technology paper 관리자 2021.03.08 2787
공지 Park Yujin was selected as one of recipient of Posco Science Fellowship in 2020 관리자 2020.11.16 7735
공지 Hot hole measurement (published in Advanced Science) have been introduced in news media 관리자 2020.11.16 40534
공지 Ambient pressure studies on CO2 dissociation (published in Nat Comm) have been introduced in news media 관리자 2020.11.16 9475
공지 Dr. Mondal’s Advanced Functional Materials paper was selected as Inside Front Cover. 관리자 2020.01.27 21669
공지 Prof. Park gave an on-line talk in MRS Webinar Series for the special issue about “ 관리자 2020.01.27 22224
공지 Dr. Sunyoung Oh’s paper will appear as a Feature Article in JCP in a special topic on 관리자 2020.01.27 29062
공지 Advanced Functional Materials paper (in collaboration with Prof. Jong Hoon Jung in Inha Univ) was selected as Front Cover. 관리자 2019.11.18 28123
공지 Hot electron research of SCALE laboratory was highlighted in Electronic Newspaper 관리자 2019.11.18 19886
공지 Two-dimensional FeS2 encapsulated Au was selected as the Inside Cover 관리자 2019.09.27 24798
공지 IBS-RIKEN Joint Symposium [Oct 17-18] 관리자 2019.09.27 30206
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 37480
공지 IBS-KAIST Symposium on Operando Surface Science and Catalysis 관리자 2019.03.27 39683
공지 Direct Imaging of Surface Plasmon-driven Hot Electron 관리자 2019.01.23 35804
공지 Ambient pressure AFM was developed in SCALE lab 관리자 2018.10.29 40707
공지 Professor Park wrote the Perspective Article in Science regarding self-cleaning on TiO2 관리자 2018.10.29 38446
공지 Highlight article about ambient pressure STM was introduced in Chemistry World (Korean) 관리자 2018.10.29 47750
공지 Kalyan and Hyosun’s ChemComm paper was selected as Inside Cover 관리자 2018.08.17 42101
공지 Sunyoung’s work was selected as Inside Front Cover of ChemComm 관리자 2018.08.17 49345
공지 Visualizing Chemical Reaction on Bimetal Surfaces 관리자 2018.08.17 46024
공지 Nature Communications paper was highlighted in Nature Research Chemistry Community 관리자 2018.06.08 55664
공지 Front Cover Selected in Nanoscale 관리자 2018.06.08 71413
공지 The Fifth Symposium of Center for Nanomaterials and Chemical Reactions 관리자 2018.05.14 46038
공지 Top 100 Scientific Reports Chemistry papers in 2017 관리자 2018.04.08 61003
공지 Dr. Joong Il Jake Choi received the first prize at Best Poster Awards of ISEST 2018. 관리자 2018.01.22 65579
공지 Dr. Hyunsoo Lee was selected as one of the winners of 2017 IBS Outstanding Researcher Awards. 관리자 2017.12.22 60458
공지 IBS CNCR Symposium : Surface Chemistry and Catalysis 관리자 2017.10.25 64044
공지 Review article about “catalytronics” was published. 관리자 2017.09.11 72941
공지 EEWS 2016 Workshop was introduced in ACS Energy Letters 관리자 2017.02.17 83984
공지 Hot electron work was selected as KAIST Top 10 Research Achievements 관리자 2017.02.17 77449
공지 Hyosun Lee and Changwhan Lee got Samsung Humantech Award 관리자 2017.02.07 71132
공지 Graphene/Pt(111) STM image was shown at Art in Science during IBS Symposium 관리자 2016.11.27 78842
공지 Friction on graphene work was highlighted in YTN Science Prime 관리자 2016.10.31 72722
공지 IBS Symposium on “Understanding photocatalytic materials at the atomic level” was held on July 14 관리자 2016.09.12 70825
공지 SCALE group attended IVC-20 conference in Busan 관리자 2016.09.12 80045
공지 Hot electrons detected at solid-liquid interfaces (Sciencedaily, YTN, and other media) 관리자 2016.07.10 74427
공지 Angewandte Chemie paper was selected as the Front Cover 관리자 2016.07.10 74748
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 105898
공지 Best Poster Award at ISFM 2016 관리자 2016.03.07 78121
공지 Issue Cover Selected in Chemical Physics Letters 관리자 2016.03.07 78134
공지 박정영교수팀, ‘꿈의 신소재’ 그래핀 통해 새로운 핫전자 촉매센서 개발 관리자 2016.03.07 78977
공지 Advanced Materials Interfaces Front Cover Selected 관리자 2016.01.15 105262
공지 First group result of ambient pressure STM was published in JACS 관리자 2016.01.15 76935
공지 Science talk in the Library at Sejong Library 관리자 2015.11.23 80949
공지 Hot electron work was highlighted in IBS Research 관리자 2015.11.23 90726
공지 SCALE lab welcomes new group members 관리자 2015.09.08 80867
공지 Hot electron work was selected as KAIST breakthroughs 관리자 2015.09.08 79272
공지 Six Most Downloaded Catalysis Books in 2014 관리자 2015.07.05 82830
공지 Editorial Board of Scientific Reports 관리자 2015.05.18 83844
공지 Nanoporous Au work was highlighted in YTN 관리자 2015.05.18 81805
공지 Chemical Reviews Issue Cover selected 관리자 2015.04.20 88917
공지 SCALE lab welcomes four new members 관리자 2015.04.18 83028
공지 Surface structure can tailor adhesion [Nanotechweb Technology Update] 관리자 2015.03.10 83388
공지 Surprising current domains of misoriented graphene on graphite [Nanotechweb LAB TALK] 관리자 2015.03.03 80750
공지 Chemicurrent work by Hyosun was highlighted in media 관리자 2015.02.22 83824
공지 Angewandte Chemie paper was selected as Frontispiece 관리자 2015.02.12 80474
공지 Nanotechnology paper was selected as Cover 관리자 2015.02.12 77672
공지 KAIST Times highlighted research of SCALE laboratory 관리자 2014.12.15 74476
공지 ENGE Poster Awards (Kamran and SongYi) 관리자 2014.11.22 81681
공지 Prof. Park gave a public lecture at library 관리자 2014.10.31 75997
68 Steam Wallet Hack 관리자 2014.06.15 8398
67 Fluorinated graphene work was highlighted in Nature file 관리자 2014.06.15 8361
66 Dahee Park of SCALE lab and teammates won the student idea festival (Jan 6, 2012) file 관리자 2014.06.15 8336
65 핫전자 태양전지 2012 정부연구개발 우수성과 선정 file 관리자 2014.06.15 8306
64 April 2010 관리자 2014.06.15 8248
63 불소화된 그래핀의 마찰력 변화에 대한 이론 정립해 - 카이스트 신문 관리자 2014.06.15 8209
62 October 2013 Tribology and Lubrication Technology - Cutting Edge file 관리자 2014.06.15 8083
61 January 2010 관리자 2014.06.15 8022
60 Book by Prof. Park "Current Trends in Surface Science and Catalysis" has been published file 관리자 2014.06.15 8019
59 RHK Tech Image of the Month (March, 2013) Selected file 관리자 2014.06.15 7992
58 August 2011 관리자 2014.06.15 7938
57 KAIST News "Principle behind increasing the catalytic property of nanocatalysts proven" 관리자 2014.06.15 7905
56 한국연구재단 Webzine (2012, December) 나노촉매의 활성도를 효과적으로 높일 수 있는 원리 규명 관리자 2014.06.15 7903
55 June 2011 관리자 2014.06.15 7891
54 SCALE lab was introduced in Physics and High Technology (Korean Physical Society) file 관리자 2014.06.15 7871
53 January 2011 관리자 2014.06.15 7819
52 SCALE Lab joined in Institute for Basic Science file 관리자 2014.06.15 7818
51 May 2010 관리자 2014.06.15 7802
50 October 2009 관리자 2014.06.15 7781
49 May 2011 관리자 2014.06.15 7746