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Photoelectrochemical Water Splitting using GaN Nanowires with Reverse-Mesa Structures as Photoanode Material 利用反台面结构GaN纳米线作为光阳极材料的光电化学水分解
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-03-31 DOI: 10.5757/asct.2022.31.2.51
S. Noh, Sangmoon Han, J. Shin, Jinseong Lee, Ilgyu Choi, H. Oh, Mee-Yi Ryu, J. S. Kim
{"title":"Photoelectrochemical Water Splitting using GaN Nanowires with Reverse-Mesa Structures as Photoanode Material","authors":"S. Noh, Sangmoon Han, J. Shin, Jinseong Lee, Ilgyu Choi, H. Oh, Mee-Yi Ryu, J. S. Kim","doi":"10.5757/asct.2022.31.2.51","DOIUrl":"https://doi.org/10.5757/asct.2022.31.2.51","url":null,"abstract":"We report improved photoelectrochemical water splitting (PEC-WS) using GaN nanowires (NWs) with reverse-mesa structures (RMNWs) formed on Si(111) as a photoanode material. The GaN-RMNWphotoanode exhibited a current density of 2.62 mA/cm2 and an applied photonto-current efficiency of 1.65% at 0.6 V versus a reversible hydrogen electrode. These values are considerably higher than those (1.16 mA/cm2 and 1.24%) of the photoanode based on GaN NWs with uniform hexagonal-pillar structures. The improved PEC-WS using the GaN-RMNW photoanode is attributed to the increase in the number of carriers participating in the PEC-WS reaction. The increase in the effective carriers is primarily due to the high crystallinity of the GaN RMNWs and the increase in the absorption rate of the incident light by the reverse-mesa structures. In addition, the energy-band structure between the GaN RMNWs and Si(111) promotes the separation of photogenerated carriers. Consequently, it reduces carrier recombination inside the photoanode, thereby enabling a high-performance PEC-WS.","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"26 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81577774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Thermal Plasma Synthesis of Metal-Boride Nanoparticles as a Functional Material for Gamma-Ray Shielding 热等离子体合成金属-硼化物纳米粒子作为伽马射线屏蔽功能材料
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.15
Hye-Young Ko, Jeong-Hwan Oh, Su-Lin Yang, Sooseok Choi
{"title":"Thermal Plasma Synthesis of Metal-Boride Nanoparticles as a Functional Material for Gamma-Ray Shielding","authors":"Hye-Young Ko, Jeong-Hwan Oh, Su-Lin Yang, Sooseok Choi","doi":"10.5757/asct.2022.31.1.15","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.15","url":null,"abstract":"","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78922298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical Diagnostics for Dual Jet Interactions of Helium Atmospheric Pressure Plasmas 氦大气压等离子体双射流相互作用的光学诊断
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.19
Jae Wan Kim, Gyoon Kim, Holak Kim, J. Foster, U. Cho, S. Yun, H. Lee
{"title":"Optical Diagnostics for Dual Jet Interactions of Helium Atmospheric Pressure Plasmas","authors":"Jae Wan Kim, Gyoon Kim, Holak Kim, J. Foster, U. Cho, S. Yun, H. Lee","doi":"10.5757/asct.2022.31.1.19","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.19","url":null,"abstract":"","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"120 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87901555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In-Situ High-Temperature Heating Setup for Spectronanoscopy at Pohang Light Source 浦项光源光谱原位高温加热装置
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.9
Mikang Kim, Namdong Kim, H. Hosseinkhannazer, Ki-Jeong Kim, H. Shin
{"title":"In-Situ High-Temperature Heating Setup for Spectronanoscopy at Pohang Light Source","authors":"Mikang Kim, Namdong Kim, H. Hosseinkhannazer, Ki-Jeong Kim, H. Shin","doi":"10.5757/asct.2022.31.1.9","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.9","url":null,"abstract":"","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"19 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88712723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Antisolvent Application Volume on CH3NH3PbI3 Films 抗溶剂用量对CH3NH3PbI3薄膜的影响
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.28
J. Oh, Mee-Yi Ryu
{"title":"Effect of Antisolvent Application Volume on CH3NH3PbI3 Films","authors":"J. Oh, Mee-Yi Ryu","doi":"10.5757/asct.2022.31.1.28","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.28","url":null,"abstract":"Antisolventtreatmentmethodsusedtomanufacturehigh-qualityperovskitefilmsusingsolutionprocessesvaryintermsofthetypeofantisolventandprocessingconditionemployed.Weanalyzedthestructuraldependencesofaperovskitefilmintermsoftheappliedvolumeofethylacetateasanantisolventandtheopticalpropertiesresultingtherefrom.Theapplicationofanexcessivevolumeoftheantisolventcausedexcessivepinholesintheentireareaoftheperovskitefilm.Inaddition,thepinholeswerefoundtohinderthetransportofchargecarriers.","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83003458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CH3NH3PbI3-based Perovskite Material Patterning and Thin-Film Transistor Fabrication 基于ch3nh3pbi3的钙钛矿材料图像化和薄膜晶体管制造
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.23
H. Khachatryan, Kyoung-Bo Kim, Moojin Kim
{"title":"CH3NH3PbI3-based Perovskite Material Patterning and Thin-Film Transistor Fabrication","authors":"H. Khachatryan, Kyoung-Bo Kim, Moojin Kim","doi":"10.5757/asct.2022.31.1.23","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.23","url":null,"abstract":"","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"57 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90466664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of Surface Contaminants on Interface Dipole Formation of 8-hydroxyquinolinolato-lithium Layer 表面污染物对8-羟基喹啉-锂层界面偶极子形成的影响
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.12
Hyunbok Lee
{"title":"Effects of Surface Contaminants on Interface Dipole Formation of 8-hydroxyquinolinolato-lithium Layer","authors":"Hyunbok Lee","doi":"10.5757/asct.2022.31.1.12","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.12","url":null,"abstract":"","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"38 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90120381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Large-Scale Transparent Photovoltaics for a Sustainable Energy Future: Review of Inorganic Transparent Photovoltaics 面向可持续能源未来的大规模透明光伏:无机透明光伏的综述
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.1
B. Baby, Malkeshkumar Patel, Kibum Lee, Joondong Kim
{"title":"Large-Scale Transparent Photovoltaics for a Sustainable Energy Future: Review of Inorganic Transparent Photovoltaics","authors":"B. Baby, Malkeshkumar Patel, Kibum Lee, Joondong Kim","doi":"10.5757/asct.2022.31.1.1","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.1","url":null,"abstract":"Transparent photovoltaics (TPVs) are a crucial energy platform for harvesting solar energy in windows, enabling onsite power generation for widespread applications in buildings, vehicles, displays, sensors, and the Internet of things. TPV devices are fabricated using eco-friendly processing methods and materials, and must perform stably for an adequate societal impact. This review article is focused on the emerging TPV devices made of inorganic materials, including oxides and two-dimensional sulfides. Herein, we briefly review the wide-bandgap inorganic TPVs and their performances. Specifically, the sputtering method is considered for the large-scale and eco-friendly preparation of inorganic heterostructures.","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"134 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86641238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Simulation Studies on Quasi-Bound States in the Continuum Introduced by Out-of-Plane Symmetry Breaking in Dielectric Metasurfaces 介电超表面面外对称破缺引入的连续介质中准束缚态的模拟研究
IF 0.8
Applied Science and Convergence Technology Pub Date : 2022-01-31 DOI: 10.5757/asct.2022.31.1.31
Hyunsung Lim, Jeeyoon Jeong
{"title":"Simulation Studies on Quasi-Bound States in the Continuum Introduced by Out-of-Plane Symmetry Breaking in Dielectric Metasurfaces","authors":"Hyunsung Lim, Jeeyoon Jeong","doi":"10.5757/asct.2022.31.1.31","DOIUrl":"https://doi.org/10.5757/asct.2022.31.1.31","url":null,"abstract":"","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"346 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75944617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Control of Cathode Arc Root Behavior in a Reverse Polarity Hollow Electrode Plasma Torch Using an Exit Nozzle 利用出口喷嘴控制反极性空心电极等离子炬阴极电弧根部行为
IF 0.8
Applied Science and Convergence Technology Pub Date : 2021-11-30 DOI: 10.5757/asct.2021.30.6.167
Sang-Min Jeong, Darian Figuera-Michal, Dong-Hyun Lee, Min-Gyu Choi, J. Seo
{"title":"Control of Cathode Arc Root Behavior in a Reverse Polarity Hollow Electrode Plasma Torch Using an Exit Nozzle","authors":"Sang-Min Jeong, Darian Figuera-Michal, Dong-Hyun Lee, Min-Gyu Choi, J. Seo","doi":"10.5757/asct.2021.30.6.167","DOIUrl":"https://doi.org/10.5757/asct.2021.30.6.167","url":null,"abstract":"In this study, a hollow electrode plasma torch with a cylindrical exit nozzle was proposed and tested to control the behavior of cathode arc roots in the reverse polarity electrical connection for the non-transferred mode operation. The test results revealed that in the absence of an exit nozzle, cathode arc roots cause arcing on the electrically floated torch housing, producing an unstable plasma jet. However, in the presence of an exit nozzle, when injecting the secondary gas with a swirl through a gap between the exit nozzle and front electrode, it was confirmed that cathode arc roots can be controlled to form only on the surface of the front electrode, producing a stable plasma jet without arcing on the torch housing. Additionally, the presence of an exit nozzle was observed to have little influence on the voltage–current characteristics of a reverse polarity hollow electrode plasma torch. Instead, heat loss to the coolant was reduced compared to that in the absence of an exit nozzle, thereby improving thermal efficiency.","PeriodicalId":8223,"journal":{"name":"Applied Science and Convergence Technology","volume":"45 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2021-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87043694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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