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Kabiraz MK, Ruqia B, Kim J, Kim H, Kim HJ, Hong Y, Kim MJ, Kim YK, Kim C, Lee WJ, Lee W, Hwang GH, Ri HC, Baik H, Oh HS, Lee YW, Gao L, Huang H, Paek SM, Jo YJ, Choi CH, Han SW, Choi SI. Understanding the Grain Boundary Behavior of Bimetallic Platinum–Cobalt Alloy Nanowires toward Oxygen Electro-Reduction. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05766] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mrinal Kanti Kabiraz
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Bibi Ruqia
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Jeonghyeon Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Haesol Kim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
| | - Hee Jin Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Youngmin Hong
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Mi Ji Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Young Kyoung Kim
- Department of Physics, Kyungpook National University, Daegu 41566, Korea
| | - Chan Kim
- Department of Physics, Kyungpook National University, Daegu 41566, Korea
| | - Won-Jae Lee
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Wonkyun Lee
- Heterogeneous Catalysis PJT, LG Chem Research Park, Daejeon 34122, Korea
| | - Gyo Hyun Hwang
- Heterogeneous Catalysis PJT, LG Chem Research Park, Daejeon 34122, Korea
| | - Hyeong Cheol Ri
- Department of Physics, Kyungpook National University, Daegu 41566, Korea
| | - Hionsuck Baik
- Korea Basic Science Institute (KBSI), Seoul 02841, Korea
| | - Hyung-Suk Oh
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
| | - Young Wook Lee
- Department of Chemistry Education, Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Korea
| | - Lei Gao
- College of Materials Science and Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, Hunan, China
| | - Hongwen Huang
- College of Materials Science and Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha 410082, Hunan, China
| | - Seung Min Paek
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Youn-Jung Jo
- Department of Physics, Kyungpook National University, Daegu 41566, Korea
| | - Chang Hyuck Choi
- Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea
| | - Sang Woo Han
- Center for Nanotectonics, Department of Chemistry and KI for the Nano Century, KAIST, Daejeon 34141, Korea
| | - Sang-Il Choi
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
- Department of Hydrogen & Renewable Energy, Kyungpook National University, Daegu 41566, Korea
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Kim J, Kim HJ, Ruqia B, Kim MJ, Jang YJ, Jo TH, Baik H, Oh HS, Chung HS, Baek K, Noh S, Jung M, Kim KJ, Lim HK, Youn YS, Choi SI. Crystal Phase Transition Creates a Highly Active and Stable RuC X Nanosurface for Hydrogen Evolution Reaction in Alkaline Media. Adv Mater 2021; 33:e2105248. [PMID: 34611943 DOI: 10.1002/adma.202105248] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/18/2021] [Indexed: 06/13/2023]
Abstract
Although metastable crystal structures have received much attention owing to their utilization in various fields, their phase-transition to a thermodynamic structure has attracted comparably little interest. In the case of nanoscale crystals, such an exothermic phase-transition releases high energy within a confined surface area and reconstructs surface atomic arrangement in a short time. Thus, this high-energy nanosurface may create novel crystal structures when some elements are supplied. In this work, the creation of a ruthenium carbide (RuCX , X < 1) phase on the surface of the Ru nanocrystal is discovered during phase-transition from cubic-close-packed to hexagonal-close-packed structure. When the electrocatalytic hydrogen evolution reaction (HER) is tested in alkaline media, the RuCX exhibits a much lower overpotential and good stability relative to the counterpart Ru-based catalysts and the state-of-the-art Pt/C catalyst. Density functional theory calculations predict that the local heterogeneity of the outermost RuCX surface promotes the bifunctional HER mechanism by providing catalytic sites for both H adsorption and facile water dissociation.
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Affiliation(s)
- Jeonghyeon Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hee Jin Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Bibi Ruqia
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Mi Ji Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Yeong-Ji Jang
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Tae Hwan Jo
- Division of Chemical Engineering and Bioengineering, Kangwon National University, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Hionsuck Baik
- Korea Basic Science Institute (KBSI), Seoul, 02841, Republic of Korea
| | - Hyung-Suk Oh
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Hee-Suk Chung
- Analytical Research Division, Korea Basic Science Institute (KBSI), Jeonju, Jeollabuk-do, 54907, Republic of Korea
| | - Kangkyun Baek
- Center for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang, Gyeongsangbuk-do, 37673, Republic of Korea
| | - Siwoo Noh
- Pohang Accelerator Laboratory, POSTECH, Pohang, Gyeongsangbuk-do, 37673, Republic of Korea
| | - Moonjung Jung
- Department of Physics and Photon Science, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Ki-Jeong Kim
- Pohang Accelerator Laboratory, POSTECH, Pohang, Gyeongsangbuk-do, 37673, Republic of Korea
| | - Hyung-Kyu Lim
- Division of Chemical Engineering and Bioengineering, Kangwon National University, Chuncheon, Gangwon-do, 24341, Republic of Korea
| | - Young-Sang Youn
- Department of Chemistry, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea
| | - Sang-Il Choi
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
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Kim J, Kim H, Lee WJ, Ruqia B, Baik H, Oh HS, Paek SM, Lim HK, Choi CH, Choi SI. Theoretical and Experimental Understanding of Hydrogen Evolution Reaction Kinetics in Alkaline Electrolytes with Pt-Based Core–Shell Nanocrystals. J Am Chem Soc 2019; 141:18256-18263. [DOI: 10.1021/jacs.9b09229] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jeonghyeon Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Haesol Kim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
| | - Won-Jae Lee
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Bibi Ruqia
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Hionsuck Baik
- Korea Basic Science Institute (KBSI), Seoul 02841, Korea
| | - Hyung-Suk Oh
- Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
| | - Seung-Min Paek
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
| | - Hyung-Kyu Lim
- Division of Chemical Engineering and Bioengineering, Kangwon National University, Chuncheon, Gangwon-do 24341, Korea
| | - Chang Hyuck Choi
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
| | - Sang-Il Choi
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Korea
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Chaudhari NK, Joo J, Kim B, Ruqia B, Choi SI, Lee K. Recent advances in electrocatalysts toward the oxygen reduction reaction: the case of PtNi octahedra. Nanoscale 2018; 10:20073-20088. [PMID: 30376016 DOI: 10.1039/c8nr06554c] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Designing highly efficient and durable electrocatalysts for the oxygen reduction reaction (ORR), the key step for the operation of polymer electrolyte membrane fuel cells (PEMFCs), is of a pivotal importance for advancing PEMFC technology. Since the most significant progress has been made on Pt3Ni(111) alloy surfaces, nanoscale PtNi alloy octahedra enclosed by (111) facets have emerged as promising electrocatalysts toward the ORR. However, because their practical uses have been hampered by the cost, sluggish reaction kinetics, and poor durability, recent advances have engendered a wide variety of structure-, size-, and composition-controlled bimetallic PtNi octahedra. Herein, we therefore review the important recent developments of PtNi octahedral electrocatalysts point by point to give an overview of the most promising strategies. Specifically, the present review article focuses on the synthetic methods for the PtNi octahedra, the core-shell and multi-metallic strategies for performance improvement, and their structure-, size-, and composition-control-based ORR activity. By considering the results achieved in this field, a prospect for this alloy nanocatalysts system for future sustainable energy applications is also proposed.
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Affiliation(s)
- Nitin K Chaudhari
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea. and Research Institute of Natural Sciences (RINS), Korea University, Seoul 02841, Republic of Korea
| | - Jinwhan Joo
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea.
| | - Byeongyoon Kim
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea.
| | - Bibi Ruqia
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Sang-Il Choi
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Kwangyeol Lee
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea.
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Ruqia B, Choi SI. Pt and Pt-Ni(OH) 2 Electrodes for the Hydrogen Evolution Reaction in Alkaline Electrolytes and Their Nanoscaled Electrocatalysts. ChemSusChem 2018; 11:2643-2653. [PMID: 29943506 DOI: 10.1002/cssc.201800781] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 06/03/2018] [Indexed: 06/08/2023]
Abstract
The design and synthesis of Pt-based electrocatalysts for the hydrogen evolution reaction (HER) are of great importance for the successful development of hydrogen-based alternative energy technologies. Although Pt is considered to be the most active catalyst for the HER, its reaction performance is limited in alkaline solutions owing to a slow rate for water dissociation. Therefore, many research groups have intensively investigated reaction mechanisms and developed system designs and efficient Pt-based catalysts to enhance the alkaline HER. Herein, we summarize the catalytic surface specificity of Pt and Pt-Ni(OH)2 materials to control the kinetics of the alkaline HER. In particular, we increase our understanding of Ni(OH)2 -modified Pt surfaces and the corresponding nanoscaled Pt-Ni(OH)2 electrocatalysts to improve the sluggish water-dissociation step, and this knowledge will guide us to future sustainable energy applications of advanced nanomaterials.
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Affiliation(s)
- Bibi Ruqia
- Department of Chemistry and Green-Nano Materials Research Centre, Kyungpook National University, Daegu, 41566, Korea
| | - Sang-Il Choi
- Department of Chemistry and Green-Nano Materials Research Centre, Kyungpook National University, Daegu, 41566, Korea
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Kim HJ, Ruqia B, Kang MS, Lim SB, Choi R, Nam KM, Seo WS, Lee G, Choi SI. Shape-controlled Pt nanocubes directly grown on carbon supports and their electrocatalytic activity toward methanol oxidation. Sci Bull (Beijing) 2017; 62:943-949. [PMID: 36659465 DOI: 10.1016/j.scib.2017.05.029] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 05/18/2017] [Accepted: 05/23/2017] [Indexed: 01/21/2023]
Abstract
Synthesis of shape-controlled Pt nanocrystals is substantial and important for enhancing chemical and electrochemical reactions. However, the removal of capping agents, shape-controlling chemicals, on Pt surfaces is essential prior to conducting the catalytic reactions. Here we report a facile one-pot synthesis of Pt nanocubes directly grown on carbon supports (Pt nanocubes/C) with modulating the kinetic reaction factors for shaping the nanocrystals, but without adding any capping agents for preserving the clean Pt surfaces. Well-dispersed Pt nanocubes/C shows enhanced activity and long-term stability toward methanol oxidation reaction compared to the commercial Pt/C catalyst.
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Affiliation(s)
- Hee Jin Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Bibi Ruqia
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Mi Sung Kang
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Su Bin Lim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Ran Choi
- Department of Chemistry, KAIST, Daejeon 34141, Republic of Korea
| | - Ki Min Nam
- Department of Chemistry, Mokpo National University, Jeonnam 58554, Republic of Korea
| | - Won Seok Seo
- Department of Chemistry, Sogang University, Seoul 04107, Republic of Korea.
| | - Gaehang Lee
- Korea Basic Science Institute (KBSI) and University of Science and Technology, Daejeon 34133, Republic of Korea.
| | - Sang-Il Choi
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu 41566, Republic of Korea.
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Ruqia B, Nam KM, Lee H, Lee G, Choi SI. Facile synthesis of highly crystalline ZnO nanorods with controlled aspect ratios and their optical properties. CrystEngComm 2017. [DOI: 10.1039/c7ce00196g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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zada L, Rehman T, Niaz S, Zeb MA, Ruqia B, S S, Khan MA, Khan A. Prevalence of Ascaridia galli in some Poultry Farms of District Mardan. ACTA ACUST UNITED AC 2015. [DOI: 10.14737/journal.jap/2015/2.4.75.79] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Irshad M, Ruqia B, Hussain Z. Phytoaccumulation of Heavy Metals in Natural Vegetation at the Municipal Wastewater Site in Abbottabad, Pakistan. Int J Phytoremediation 2015; 17:1269-1273. [PMID: 26366840 DOI: 10.1080/15226514.2014.950409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Heavy metal accumulation in crops and soils from wastewater irrigation poses a significant threat to the human health. A study was carried out to investigate the removal potential of heavy metals (HM) by native plant species, namely Cannabis sativa L., Chenopodium album L., Datura stramonium L., Sonchus asper L., Amaranthus viridus L., Oenothera rosea (LHer), Xanthium stramonium L., Polygonum macalosa L., Nasturtium officinale L. and Conyza canadensis L. growing at the municipal wastewater site in Abbottabad city, Pakistan. The HM concentrations varied among plants depending on the species. Metal concentrations across species varied in the order iron (Fe) > zinc (Zn) > chromium (Cr) > nickel (Ni) > cadmium (Cd). Majority of the species accumulated more HM in roots than shoots. Among species, the concentrations (both in roots and shoots) were in the order C. sativa > C. album > X. stramonium > C. canadensis > A. viridus > N. officinale > P. macalosa > D. stramonium > S. asper > O. rosea. No species was identified as a hyperaccumulator. All species exhibited a translocation factor (TF) less than 1. Species like C. sativa, C. album and X. stramonium gave higher (> 1) biological concentration factor (BCF) and biological accumulation coefficient (BAC) especially for Fe, Cr and Cd than other species. Higher accumulation of heavy metals in these plant species signifies the general application of these species for phytostabilization and phytoextraction of HM from polluted soils.
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Affiliation(s)
- Muhammad Irshad
- a Department of Environmental Sciences , COMSATS Institute of Information Technology (CIIT) , Abbottabad , Pakistan
| | - Bibi Ruqia
- a Department of Environmental Sciences , COMSATS Institute of Information Technology (CIIT) , Abbottabad , Pakistan
| | - Zahid Hussain
- b Department of Development Studies , COMSATS Institute of Information Technology (CIIT) , Abbottabad , Pakistan
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