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| 1 | Crystal Facet Engineering of TiO_(2) Nanostructures for Enhancing Photoelectrochemical Water Splitting with BiVO_(4) Nanodots显示文摘Although bismuth vanadate(BiVO4)has been promising as photoanode material for photoelectrochemical water splitting,its charge recombination issue by short charge diffusion length has led to various studies about heterostructure photoanodes.As a hole blocking layer of BiVO4,titanium dioxide(TiO_(2)) has been considered unsuitable because of its relatively positive valence band edge and low electrical conductivity.Herein,a crystal facet engineering of TiO_(2) nanostructures is proposed to control band structures for the hole blocking layer of BiVO4 nanodots.We design two types of TiO_(2) nanostructures,which are nanorods(NRs)and nanoflowers(NFs)with different(001)and(110)crystal facets,respectively,and fabricate BiVO4/TiO_(2) heterostructure photoanodes.The BiVO4/TiO_(2) NFs showed 4.8 times higher photocurrent density than the BiVO4/TiO_(2) NRs.Transient decay time analysis and time-resolved photoluminescence reveal the enhancement is attributed to the reduced charge recombination,which is originated from the formation of type II band alignment between BiVO4 nanodots and TiO_(2) NFs.This work provides not only new insights into the interplay between crystal facets and band structures but also important steps for the design of highly efficient photoelectrodes. | Mi Gyoung Lee Jin Wook Yang Hoonkee Park Cheon Woo Moon Dinsefa M.Andoshe Jongseong Park Chang‑Ki Moon Tae Hyung Lee Kyoung Soon Choi Woo Seok Cheon Jang‑Joo Kim Ho Won Jang | 2022 | Nano-Micro Letters2022,14,3: | 2 |
| 2 | Catalysts for electrochemical ammonia oxidation:Trend,challenge,and promise显示文摘Developing sustainable and clean energy technology is critial to address the current energy and environmental crisis.As an energy carrier,hydrogen has been getting attention due to its abundance,high energy density,and zero carbon emission.Due to the difficulty of hydrogen storage and transport,the electro-oxidation of ammonia shows great potential for renewable energy since it satisfies both energy supply and environmental protection as a carbon-free fuel with high hydrogen content.However,ammonia electro-oxidation is a sluggish reaction and shows low durability.Understanding the complicated mechanism and intermediates is conducive to developing efficient electrocatalysts with high catalytic activity and durability.This review begins with the ammonia oxidation technologies and their principles.The two typical mechanisms for ammonia electro-oxidation,Oswin-Salomon mechanism and Gerischer-Mauerer mechanism,are discussed,and attention to the poisoning species is included.Then,the electrocatalysts for ammonia reaction are classified into Pt-based catalysts and non-noble metal-based catalysts,and their performances are reviewed with various strategies.Based on the progress on the electrochemical ammonia oxidation catalysts,the challenges and future insight on ammonia oxidation reaction are discussed and proposed. | Sol A Lee Mi Gyoung Lee Ho Won Jang | 2022 | Science China Materials2022,65,12: | 2 |
| 3 | Inorganic shell nanostructures to enhance performance and stability of metal nanoparticles in catalytic applications显示文摘In this article,we review the recent progress and our research activity on the synthesis of inorganic shell nanostructures to enhance the catalytic performance and stability of metal nanoparticles in catalytic applications.First,we introduce general synthetic strategies for the fabrication of inorganic nanoscale shell layers,including template-assisted sol-gel coating,hydrothermal(or solvothermal)synthesis and the self-templating process.We also discuss recent examples of metal nanoparticles(NPs)with nanoscale shell layers,namely core-shell,yolk-shell and multiple NPs-embedded nanoscale shell.We then discuss the performance and stability of metal particles in practical catalytic applications.Finally,we conclude with a summary and perspective on the further progress of inorganic nanostructure with nanoscale shell layers for catalytic applications. | Inhee Choi Hyeon Kyeong Lee Gyoung Woo Lee Jiyull Kim Ji Bong Joo | 2020 | Rare Metals2020,39,7: | 2 |
| 4 | Macroporous and nanofibers hyaluronic acid/collagen hybrid scaffold fabricated by concurrent electrospinning and deposition/leaching of salt particles显示文摘 | Tack Gyoung Kim Hyun Jung Chung | 2008 | Acta biomaterials2008,4,: | 1 |
| 5 | Evaluation of credit guarantee pelicy using propensity score matching 显示文摘 | Inha Oh Jeong - Dong Lee Almas Heshmati Gyoung - Gyu Choi | 2009 | Small Business Economics2009,33,3: | 1 |
| 6 | Hepatic Cavernous Hemangioma: Temporal Peritumoral Enhancement during Multiphase Dynamic MR Imaging 显示文摘 | Gyoung J Jeong-S Whang K | 2000 | Radiology2000,216,: | 1 |
| 7 | Effects of chemical treatments of hybrid fillers on the physical and thermal properties of wood plastic composites显示文摘 | Jae Gyoung Gwon Sun Young Lee Sang Jin Chun | | 0,,: | 1 |
| 8 | Effects of chemical treatments of hybrid fillers on the physical and thermal properties of wood plastic composites显示文摘 | Gwon Jae Gyoung Lee Sun Young Chun Sang Jin | 2010 | Composites Part A: Applied Science and Manufacturing2010,41,10: | 1 |
| 9 | Graphene oxide a a corrosion inhibitor for the aluminum current collector in lithium ion batteries显示文摘 | Richard Prabakar S J Yun-Hwa Hwang Eun Gyoung Bae | 2013 | Carbon2013,52,: | 1 |
| 10 | Monte Carlo simulation of transport diffusion in nanoporous carbon membranes显示文摘 | Yang Gon Seo Gyoung Ho Kum Nigel A Seaton | 2002 | J Mem Sci2002,195,: | 1 |
| 11 | Shelf–life prediction of brown rice in lanincted pouch by N–hexanal and fatty acids during storage显示文摘 | Jae–Gyoung Han | 1996 | Korean Jounal of Food Science and Technology1996,28,89: | 1 |
| 12 | Implementation of bond-slip effect in analyses of RC frames under cyclic loads using layered section method显示文摘 | HYO GYOUNG KWAK JIN KOOK KIM | 2006 | Engineering Structures2006,28,: | 1 |
| 13 | Classification of rice cultivars based on cluster analysis of hydration and pasting properties of their starches 显示文摘 | Inae Lee Gyoung Jin We Dong Eun Kim | 2012 | LWT-Food Science and Technology2012,48,2: | 1 |
| 14 | Cordyceps pruinosa extracts induce apoptosis of HeLa cells by a caspase dependent pathway显示文摘 | Ho Gyoung Kim Heesang Song Deok Hyo Yoon Byeong-Wook Song Sang Min Park Gi Ho Sung Jae-Youl Cho Hae Il Park Sunga Choi Won O Song Ki-Chul Hwang Tae Woong Kim | 2010 | Journal of Ethnopharmacology2010,,2: | 1 |
| 15 | Low Cycle Fatigue Behaviors of Type 316LN Austenitic Stainless Steel in 310 ℃Deaerated Water-fatigue Life and Dislocation Structure Development显示文摘 | Cho Hyunchul Kim Gyoung Koo Kim In Sup | 2008 | Materials Science and Engineering A2008,480,: | 1 |
| 16 | Design and growth of quaternary Mg and Ga codoped ZnO thin films with transparent conductive characteristics 显示文摘 | Shin Seung Wook Kim In Young Lee Gyoung Hoon | 2011 | Crystal Growth & Design2011,11,11: | 1 |
| 17 | Surface-functionalized electrospun nanofibers for tissue engineering and drug delivery显示文摘 | Hyuk Sang Yoo Taek Gyoung Kim Tae Gwan Park | 2009 | Advanced Drug Delivery Reviews2009,,12: | 1 |
| 18 | Size-de-pendent light-scattering effects of nanoporous Ti02 spheres indye-sensitized solar cells 显示文摘 | Yu In Gyoung Yong Joo Kim Hark Jin Kim | 2011 | J Mater Chem2011,21,: | 1 |
| 19 | Biomimetic Scaffolds for Tissue Engineering显示文摘 | Taek Gyoung Kim Heungsoo Shin Dong Woo Lim | 2012 | Adv Funct Mater2012,,12: | 1 |
| 20 | Effects of chemical treatments of hybrid fillers on the physical and thermal properties of wood plastic composites显示文摘 | Jae Gyoung Gwon Sun Young Lee Sang Jin Chun Geum Hyun Doh Jung Hyeun Kim | 2010 | Composites Part A2010,,10: | 1 |