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Journal articles on the topic 'Co2P Nanoparticles'

Author: Grafiati
Published: 6 September 2023

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1

Green, Michael, Lihong Tian, Peng Xiang, James Murowchick, Xinyu Tan, and Xiaobo Chen. "Co2P nanoparticles for microwave absorption." Materials Today Nano 1 (March 2018): 1–7. http://dx.doi.org/10.1016/j.mtnano.2018.04.004.

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2

Sun, Xingwei, Haiou Liang, Haiyan Yu, Jie Bai, and Chunping Li. "Embedding Co2P nanoparticles in Cu doping carbon fibers for Zn–air batteries and supercapacitors." Nanotechnology 33, no. 13 (January 7, 2022): 135202. http://dx.doi.org/10.1088/1361-6528/ac43ea.

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Abstract Developing highly efficient and non-precious materials for Zn–air batteries (ZABs) and supercapacitors (SCs) are still crucial and challenging. Herein, electronic reconfiguration and introducing conductive carbon-based materials are simultaneously conducted to enhance the ZABs and SCs performance of Co2P. We develop a simple and efficient electrospinning technology followed by carbonization process to synthesize embedding Co2P nanoparticles in Cu doping carbon nanofibers (Cu-Co2P/CNFs). As a result, the 7% Cu-Co2P/CNFs presents high oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) activity (half-wave potential of 0.792 V for ORR, an overpotential of 360 mV for OER). The ZABs exhibit a power density of 230 mW cm−2 and excellent discharge-charge stability of 80 h. In addition, the 7% Cu-Co2P/CNFs show the specific capacitance of 558 F g−1 at 1 A g−1. Moreover, the 7% Cu-Co2P/CNFs//CNFs asymmetric supercapacitor was assembled applying 7% Cu-Co2P/CNFs electrode and pure CNFs, which exhibits a high energy density (25.9 Wh kg−1), exceptional power density (217.5 kW kg−1) and excellent cycle stability (96.6% retention after 10 000 cycles). This work may provide an effective way to prepared Co2P based materials for ZABs and SCs applications.
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3

Wang, Ke, Ruimin Zhang, Yun Guo, Yunjie Liu, Yu Tian, Xiaojun Wang, Peng Wang, and Zhiming Liu. "One-Step Construction of Co2P Nanoparticles Encapsulated into N-Doped Porous Carbon Sheets for Efficient Oxygen Evolution Reaction." Energies 16, no. 1 (January 1, 2023): 478. http://dx.doi.org/10.3390/en16010478.

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It is critical and challenging to develop high performance transition metal phosphides (TMPs) electrocatalysts for oxygen evolution reaction (OER) to address fossil energy shortages. Herein, we report the synthesis of Co2P embedded in N-doped porous carbon (Co2P@N-C) via a facile one-step strategy. The obtained catalyst exhibits a lower overpotential of 352 mV for OER at a current density of 10 mA cm−2 and a small Tafel slope of 84.6 mV dec−1, with long-time reliable stability. The excellent electrocatalytic performance of Co2P@N-C can be mainly owed to the synergistic effect between the Co2P and highly conductive N-C substrate, which not only affords rich exposed active sites but also promotes faster charge transfer, thus significantly promoting OER process. This work presents a promising and industrially applicable synthetic strategy for the rational design of high performance nonnoble metal electrocatalysts with enhanced OER performance.
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Shi, Qing, Yapeng Zheng, Weijun Li, Bin Tang, Lin Qin, Weiyou Yang, and Qiao Liu. "A rationally designed bifunctional oxygen electrocatalyst based on Co2P nanoparticles for Zn–air batteries." Catalysis Science & Technology 10, no. 15 (2020): 5060–68. http://dx.doi.org/10.1039/d0cy01012j.

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A highly-efficient Co2P-based bifunctional oxygen catalyst has been developed though an enhanced coupling with N,P co-doped carbon nanoparticles and 3D carbon networks, which exhibits better bi-catalytic performance than benchmark noble metal-based counterparts.
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5

Zhang, Xiaofang, Aixian Shan, Sibin Duan, Haofei Zhao, Rongming Wang, and Woon-Ming Lau. "Au@Co2P core/shell nanoparticles as a nano-electrocatalyst for enhancing the oxygen evolution reaction." RSC Advances 9, no. 70 (2019): 40811–18. http://dx.doi.org/10.1039/c9ra07535f.

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6

Jebaslinhepzybai, Balasingh Thangadurai, Thamodaran Partheeban, Deepak S. Gavali, Ranjit Thapa, and Manickam Sasidharan. "One-pot solvothermal synthesis of Co2P nanoparticles: An efficient HER and OER electrocatalysts." International Journal of Hydrogen Energy 46, no. 42 (June 2021): 21924–38. http://dx.doi.org/10.1016/j.ijhydene.2021.04.022.

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7

Das, Debanjan, Debasish Sarkar, Sudhan Nagarajan, and David Mitlin. "Cobalt phosphide (Co2P) encapsulated in nitrogen-rich hollow carbon nanocages with fast rate potassium ion storage." Chemical Communications 56, no. 94 (2020): 14889–92. http://dx.doi.org/10.1039/d0cc07123d.

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8

Stelmakova, M., M. Streckova, R. Orinakova, A. Guboova, M. Balaz, V. Girman, E. Mudra, C. Bera, and M. Batkova. "Effect of heat treatment on the morphology of carbon fibers doped with Co2p nanoparticles." Chemical Papers 76, no. 2 (October 7, 2021): 855–67. http://dx.doi.org/10.1007/s11696-021-01897-0.

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9

Zhang, Dan, Panpan Sun, Zhuang Zuo, Tao Gong, Niu Huang, Xiaowei Lv, Ye Sun, and Xiaohua Sun. "N, P-co doped carbon nanotubes coupled with Co2P nanoparticles as bifunctional oxygen electrocatalyst." Journal of Electroanalytical Chemistry 871 (August 2020): 114327. http://dx.doi.org/10.1016/j.jelechem.2020.114327.

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10

Diao, Lechen, Tao Yang, Biao Chen, Biao Zhang, Naiqin Zhao, Chunsheng Shi, Enzuo Liu, Liying Ma, and Chunnian He. "Electronic reconfiguration of Co2P induced by Cu doping enhancing oxygen reduction reaction activity in zinc–air batteries." Journal of Materials Chemistry A 7, no. 37 (2019): 21232–43. http://dx.doi.org/10.1039/c9ta07652b.

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11

Liang, Zhibin, and Xinfa Dong. "Co2P nanosheet cocatalyst-modified Cd0.5Zn0.5S nanoparticles as 2D-0D heterojunction photocatalysts toward high photocatalytic activity." Journal of Photochemistry and Photobiology A: Chemistry 407 (February 2021): 113081. http://dx.doi.org/10.1016/j.jphotochem.2020.113081.

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12

Zhuang, Minghao, Xuewu Ou, Yubing Dou, Lulu Zhang, Qicheng Zhang, Ruizhe Wu, Yao Ding, Minhua Shao, and Zhengtang Luo. "Polymer-Embedded Fabrication of Co2P Nanoparticles Encapsulated in N,P-Doped Graphene for Hydrogen Generation." Nano Letters 16, no. 7 (June 9, 2016): 4691–98. http://dx.doi.org/10.1021/acs.nanolett.6b02203.

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13

Liu, Guang, Na Li, Yong Zhao, Rui Yao, Muheng Wang, Dongying He, and Jinping Li. "Fabrication of Fe-doped Co2P nanoparticles as efficient electrocatalyst for electrochemical and photoelectrochemical water oxidation." Electrochimica Acta 283 (September 2018): 1490–97. http://dx.doi.org/10.1016/j.electacta.2018.07.107.

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14

Duan, Ran, Yejun Li, Shen Gong, Yonggang Tong, Zhou Li, and Weihong Qi. "Hierarchical CoFe oxyhydroxides nanosheets and Co2P nanoparticles grown on Ni foam for overall water splitting." Electrochimica Acta 360 (November 2020): 136994. http://dx.doi.org/10.1016/j.electacta.2020.136994.

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15

Hua, Yanping, Qiucheng Xu, Yanjie Hu, Hao Jiang, and Chunzhong Li. "Interface-strengthened CoP nanosheet array with Co2P nanoparticles as efficient electrocatalysts for overall water splitting." Journal of Energy Chemistry 37 (October 2019): 1–6. http://dx.doi.org/10.1016/j.jechem.2018.11.010.

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16

Wang, Haitao, Wei Wang, Yang Yang Xu, Muhammad Asif, Hongfang Liu, and Bao Yu Xia. "Ball-milling synthesis of Co2P nanoparticles encapsulated in nitrogen doped hollow carbon rods as efficient electrocatalysts." Journal of Materials Chemistry A 5, no. 33 (2017): 17563–69. http://dx.doi.org/10.1039/c7ta05510b.

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17

Schweyer-Tihay, F., P. Braunstein, C. Estournès, J. L. Guille, B. Lebeau, J. L. Paillaud, M. Richard-Plouet, and J. Rosé. "Synthesis and Characterization of Supported Co2P Nanoparticles by Grafting of Molecular Clusters into Mesoporous Silica Matrixes‖." Chemistry of Materials 15, no. 1 (January 2003): 57–62. http://dx.doi.org/10.1021/cm020132m.

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18

Wang, Xiaoyang, Chunhong Liu, Chun Wu, Xiaomin Tian, Kai Wang, Wenli Pei, and Qiang Wang. "Magnetic field assisted synthesis of Co2P hollow nanoparticles with controllable shell thickness for hydrogen evolution reaction." Electrochimica Acta 330 (January 2020): 135191. http://dx.doi.org/10.1016/j.electacta.2019.135191.

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19

Chen, Kuiyong, Xiaobin Huang, Chaoying Wan, and Hong Liu. "Hybrids based on transition metal phosphide (Mn2P, Co2P, Ni2P) nanoparticles and heteroatom-doped carbon nanotubes for efficient oxygen reduction reaction." RSC Advances 5, no. 113 (2015): 92893–98. http://dx.doi.org/10.1039/c5ra21385a.

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Hybrids based on transition metal phosphide (Mn2P, Co2P, Ni2P) nanoparticles and heteroatom-doped carbon nanotubes were facilely synthesized, and used as efficient oxygen reduction reaction (ORR) catalysts in alkaline solution.
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20

Sun, Xingwei, Huan Liu, Guangran Xu, Jie Bai, and Chunping Li. "Embedding Co2P nanoparticles into N&P co-doped carbon fibers for hydrogen evolution reaction and supercapacitor." International Journal of Hydrogen Energy 46, no. 2 (January 2021): 1560–68. http://dx.doi.org/10.1016/j.ijhydene.2020.10.018.

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21

Wang, Xiaoqing, Jijian Xu, Mingjia Zhi, Zhanglian Hong, and Fuqiang Huang. "Synthesis of Co2P nanoparticles decorated nitrogen, phosphorus Co-doped Carbon-CeO2 composites for highly efficient oxygen reduction." Journal of Alloys and Compounds 801 (September 2019): 192–98. http://dx.doi.org/10.1016/j.jallcom.2019.06.087.

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22

Li, Yan, Mengnan Cui, Tianjiao Li, Yu Shen, Zhenjun Si, and Heng-guo Wang. "Embedding Co2P nanoparticles into co-doped carbon hollow polyhedron as a bifunctional electrocatalyst for efficient overall water splitting." International Journal of Hydrogen Energy 45, no. 33 (June 2020): 16540–49. http://dx.doi.org/10.1016/j.ijhydene.2020.04.137.

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23

Yang, Yuanyuan, Xiongyi Liang, Feng Li, Shuwen Li, Xinzhe Li, Siu-Pang Ng, Chi-Man Lawrence Wu, and Rong Li. "Encapsulating Co2P@C Core-Shell Nanoparticles in a Porous Carbon Sandwich as Dual-Doped Electrocatalyst for Hydrogen Evolution." ChemSusChem 11, no. 2 (January 9, 2018): 376–88. http://dx.doi.org/10.1002/cssc.201701705.

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24

Li, Di, Zengyong Li, Jiaojiao Ma, Xinwen Peng, and Chuanfu Liu. "One-step construction of Co2P nanoparticles encapsulated in N, P co-doped biomass-based porous carbon as bifunctional efficient electrocatalysts for overall water splitting." Sustainable Energy & Fuels 5, no. 9 (2021): 2477–85. http://dx.doi.org/10.1039/d1se00062d.

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The graphic shows a core-shell Co2P nanoparticles as bifunctional electrocatalyst for HER and OER. The collaborative effect between NPPC and Co2P can improve the charge transfer rate and further enhanced catalytic activity.
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25

Das, Debanjan, and Karuna Kar Nanda. "One-step, integrated fabrication of Co2P nanoparticles encapsulated N, P dual-doped CNTs for highly advanced total water splitting." Nano Energy 30 (December 2016): 303–11. http://dx.doi.org/10.1016/j.nanoen.2016.10.024.

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26

Jiang, Deli, Wanxia Ma, Yimeng Zhou, Yingying Xing, Biao Quan, and Di Li. "Coupling Co2P and CoP nanoparticles with copper ions incorporated Co9S8 nanowire arrays for synergistically boosting hydrogen evolution reaction electrocatalysis." Journal of Colloid and Interface Science 550 (August 2019): 10–16. http://dx.doi.org/10.1016/j.jcis.2019.04.080.

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27

Lei, Chaojun, Fenfen Wang, Jian Yang, Xianfeng Gao, Xinyao Yu, Bin Yang, Guohua Chen, Chris Yuan, Lecheng Lei, and Yang Hou. "Embedding Co2P Nanoparticles in N-Doped Carbon Nanotubes Grown on Porous Carbon Polyhedra for High-Performance Lithium-Ion Batteries." Industrial & Engineering Chemistry Research 57, no. 39 (September 10, 2018): 13019–25. http://dx.doi.org/10.1021/acs.iecr.8b02036.

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28

Zhou, Dan, and Li-Zhen Fan. "Co2P nanoparticles encapsulated in 3D porous N-doped carbon nanosheet networks as an anode for high-performance sodium-ion batteries." Journal of Materials Chemistry A 6, no. 5 (2018): 2139–47. http://dx.doi.org/10.1039/c7ta09609g.

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A novel Co2P-3D PNC composite with Co2P NPs encapsulated in 3D porous N-doped carbon nanosheet networks was synthesized by a cobalt nitrate-induced PVP-blowing method combined with an in situ phosphidation process. The resultant Co2P-3D PNC anode delivers high specific capacity, enhanced rate capability, and improved cycling stability.
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29

Li, Xiang, Jingwen Ma, Jiaqing Luo, Shuting Cheng, Hanzhang Gong, Jian Liu, Chunming Xu, et al. "Porous N, P co-doped carbon-coated ultrafine Co2P nanoparticles derived from DNA: An electrocatalyst for highly efficient hydrogen evolution reaction." Electrochimica Acta 393 (October 2021): 139051. http://dx.doi.org/10.1016/j.electacta.2021.139051.

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30

Duan, Jingmin, Zhongqing Xiang, Hongsong Zhang, Bing Zhang, and Xu Xiang. "Pd-Co2P nanoparticles supported on N-doped biomass-based carbon microsheet with excellent catalytic performance for hydrogen evolution from formic acid." Applied Surface Science 530 (November 2020): 147191. http://dx.doi.org/10.1016/j.apsusc.2020.147191.

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31

Ou, Guanrong, Zhijian Peng, Yuling Zhang, Zhaohui Xu, Akif Zeb, Zhenyu Wu, Xiaoming Lin, Guozheng Ma, and Yongbo Wu. "A metal-organic framework-derived engineering of carbon-encapsulated monodispersed CoP/Co2P@N C electroactive nanoparticles toward highly efficient lithium storage." Electrochimica Acta 467 (November 2023): 143098. http://dx.doi.org/10.1016/j.electacta.2023.143098.

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32

Shao, Qi, Yan Li, Xu Cui, Tianjiao Li, Heng-guo Wang, Yanhui Li, Qian Duan, and Zhenjun Si. "Metallophthalocyanine-Based Polymer-Derived Co2P Nanoparticles Anchoring on Doped Graphene as High-Efficient Trifunctional Electrocatalyst for Zn-Air Batteries and Water Splitting." ACS Sustainable Chemistry & Engineering 8, no. 16 (April 1, 2020): 6422–32. http://dx.doi.org/10.1021/acssuschemeng.0c00852.

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33

Wang, Xuting, Zuoyi Xiao, Wensha Niu, Zhenyu Zhao, Hui Lv, Shangru Zhai, Li Wei, Qingda An, and Chengrong Qin. "Co2P-Co3(PO4)2 nanoparticles immobilized on kelp-derived 3D honeycomb-like P-doped porous carbon as cathode electrode for high-performance asymmetrical supercapacitor." Colloids and Surfaces A: Physicochemical and Engineering Aspects 655 (December 2022): 130192. http://dx.doi.org/10.1016/j.colsurfa.2022.130192.

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Li, Xinzhe, Yiyun Fang, Feng Li, Min Tian, Xuefeng Long, Jun Jin, and Jiantai Ma. "Ultrafine Co2P nanoparticles encapsulated in nitrogen and phosphorus dual-doped porous carbon nanosheet/carbon nanotube hybrids: high-performance bifunctional electrocatalysts for overall water splitting." Journal of Materials Chemistry A 4, no. 40 (2016): 15501–10. http://dx.doi.org/10.1039/c6ta05485d.

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35

Kaewtrakulchai, Napat, Rungnapa Kaewmeesri, Vorranutch Itthibenchapong, Apiluck Eiad-Ua, and Kajornsak Faungnawakij. "Palm Oil Conversion to Bio-Jet and Green Diesel Fuels over Cobalt Phosphide on Porous Carbons Derived from Palm Male Flowers." Catalysts 10, no. 6 (June 19, 2020): 694. http://dx.doi.org/10.3390/catal10060694.

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Porous carbon was successfully synthesized from palm male flowers (PMFs), using microwave-assisted potassium hydroxide (KOH) activation and was used as a catalyst support for the conversion of palm oil into bio-hydrocarbons, in fractions of green diesel and bio-jet fuel. Palm male flower-derived porous carbon (PC), consolidated with well dispersed cobalt phosphide (CoP) nanoparticles, was synthesized by simple wet-impregnation with subsequent thermal treatment. The physicochemical properties of the synthesized CoP/PC catalysts were evaluated by various techniques including proximate and ultimate elemental analysis, FTIR, XRD, N2 sorption, SEM, TEM–EDS, and NH3-temperature programmed desorption (TPD). The effects of the pyrolysis temperatures (600−900 °C), used for the impregnated samples before the reduction process, on catalyst properties and catalytic performance were investigated. Moreover, the effect of a liquid hourly space velocity of 0.5–1.5 h−1 and reaction temperatures of 340–420 °C was studied in the palm oil conversion. The catalyst pyrolyzed at 600 °C possessed the greatest particle dispersion and surface area, and showed the highest yield of liquid hydrocarbon product (C9–C18). We also found that the high pyrolysis temperature above 800 °C partially transformed the Co2P phase into CoP one which significantly exhibited higher cracking activity and bio-jet selectivity, due to the improved acidity of the catalyst.
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36

Han, Zhu, Jiu-Ju Feng, You-Qiang Yao, Zhi-Gang Wang, Lu Zhang, and Ai-Jun Wang. "Mn, N, P-tridoped bamboo-like carbon nanotubes decorated with ultrafine Co2P/FeCo nanoparticles as bifunctional oxygen electrocatalyst for long-term rechargeable Zn-air battery." Journal of Colloid and Interface Science 590 (May 2021): 330–40. http://dx.doi.org/10.1016/j.jcis.2021.01.053.

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37

Ali, Asad, Yang Liu, Rongcheng Mo, Pinsong Chen, and Pei Kang Shen. "Facile one-step in-situ encapsulation of non-noble metal Co2P nanoparticles embedded into B, N, P tri-doped carbon nanotubes for efficient hydrogen evolution reaction." International Journal of Hydrogen Energy 45, no. 46 (September 2020): 24312–21. http://dx.doi.org/10.1016/j.ijhydene.2020.06.235.

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38

Arslan, Mehmet Enes, Arzu Tatar, Özge Çağlar Yıldırım, İrfan Oğuz Şahin, Ozlem Ozdemir, Erdal Sonmez, Ahmet Hacımuftuoglu, et al. "In Vitro Transcriptome Analysis of Cobalt Boride Nanoparticles on Human Pulmonary Alveolar Cells." Materials 15, no. 23 (December 6, 2022): 8683. http://dx.doi.org/10.3390/ma15238683.

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Nanobiotechnology influences many different areas, including the medical, food, energy, clothing, and cosmetics industries. Considering the wide usage of nanomaterials, it is necessary to investigate the toxicity potentials of specific nanosized molecules. Boron-containing nanoparticles (NPs) are attracting much interest from scientists due to their unique physicochemical properties. However, there is limited information concerning the toxicity of boron-containing NPs, including cobalt boride (Co2B) NPs. Therefore, in this study, Co2B NPs were characterized using X-ray crystallography (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM), and energy-dispersive X-ray spectroscopy (EDX) techniques. Then, we performed 3-(4,5-dimethyl-thiazol-2-yl) 2,5-diphenyltetrazolium bromide (MTT), lactate dehydrogenase (LDH) release, and neutral red (NR) assays for assessing cell viability against Co2B NP exposure on cultured human pulmonary alveolar epithelial cells (HPAEpiC). In addition, whole-genome microarray analysis was carried out to reveal the global gene expression differentiation of HPAEpiC cells after Co2B NP application. The cell viability tests unveiled an IC50 value for Co2B NPs of 310.353 mg/L. The results of our microarray analysis displayed 719 gene expression differentiations (FC ≥ 2) among the analyzed 40,000 genes. The performed visualization and integrated discovery (DAVID) analysis revealed that there were interactions between various gene pathways and administration of the NPs. Based on gene ontology biological processes analysis, we found that the P53 signaling pathway, cell cycle, and cancer-affecting genes were mostly affected by the Co2B NPs. In conclusion, we suggested that Co2B NPs would be a safe and effective nanomolecule for industrial applications, particularly for medical purposes.
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Sang, Xinxin, Hengbo Wu, Nan Zang, Huilian Che, Dongyin Liu, Xiangdao Nie, Dawei Wang, Xiaoxue Ma, and Wei Jin. "Co2P nanoparticle/multi-doped porous carbon nanosheets for the oxygen evolution reaction." New Journal of Chemistry 45, no. 19 (2021): 8769–74. http://dx.doi.org/10.1039/d1nj00613d.

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Yi, Lanhua, Xiaoqin Peng, Yuan Meng, Yonglan Ding, Xianyou Wang, and Yebo Lu. "N-Doped carbon-coated Co2P-supported Au nanocomposite as the anode catalyst for borohydride electrooxidation." New Journal of Chemistry 45, no. 32 (2021): 14779–88. http://dx.doi.org/10.1039/d1nj02240g.

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Au(50)Co2P@NC(50)/C nanoparticle composite electrocatalyst combines the lower content of noble metal and much higher catalytic activity for BH4− electrooxidation.
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Ghasemi, Ali, Gholam Reza Gordani, and Ebrahim Ghasemi. "Co2W hexaferrite nanoparticles-carbon nanotube microwave absorbing nanocomposite." Journal of Magnetism and Magnetic Materials 469 (January 2019): 391–97. http://dx.doi.org/10.1016/j.jmmm.2018.09.010.

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42

Reddy, M. Surya Sekhar, C. Sai Vandana, and Y. B. Kishore Kumar. "Tailoring the Inherent Magnetism of N:CdS Nanoparticles with Co2+ Doping." Indian Journal Of Science And Technology 16, no. 27 (July 24, 2023): 2024–34. http://dx.doi.org/10.17485/ijst/v16i27.596.

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43

Carroll, Kyler J., Zachary J. Huba, Steven R. Spurgeon, Meichun Qian, Shiv N. Khanna, Daniel M. Hudgins, Mitra L. Taheri, and Everett E. Carpenter. "Magnetic properties of Co2C and Co3C nanoparticles and their assemblies." Applied Physics Letters 101, no. 1 (July 2, 2012): 012409. http://dx.doi.org/10.1063/1.4733321.

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44

Choi, Young In, Ju Hyun Yang, So Jeong Park, and Youngku Sohn. "Energy Storage and CO2 Reduction Performances of Co/Co2C/C Prepared by an Anaerobic Ethanol Oxidation Reaction Using Sacrificial SnO2." Catalysts 10, no. 10 (September 25, 2020): 1116. http://dx.doi.org/10.3390/catal10101116.

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Co/Co2C/C hybrids were prepared employing a new synthetic route and demonstrated as materials for energy storage and CO2 recycling application. Herein, an anaerobic ethanol oxidation reaction over Co3O4 nanoparticles (NPs) was first employed to fabricate Co/Co2C/C hybrids using sacrificial SnO2. In the absence of SnO2, Co3O4 NPs were converted to alpha and beta metallic Co. On the other hand, using sacrificial SnO2 resulted in the formation of Co2C and Co embedded in the carbon matrix at approximately 450 °C, as determined by temperature-programmed mass spectrometry analysis. The newly developed materials were fully examined by X-ray diffraction crystallography, scanning electron microscopy, energy-dispersive X-ray analysis, high-resolution transmission electron microscopy, and X-ray photoelectron spectroscopy. The Co/Co2C/C hybrids showed a specific capacitance of 153 F/g at a current density of 0.5 A/g. Photocatalytic CO2 reduction experiments were performed and generated CO, CH4, and CH3OH as reduction products with yields of 47.7, 11.0, and 23.4 μmol/g, respectively. The anaerobic ethanol oxidation reaction could be a very useful method for the development of carbon-supported metal carbides, which have not been achieved by other synthetic methods. Furthermore, the demonstration tests unveiled new application areas of Co carbide materials.
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45

Lin, Yi-Heng, Po-Chia Huang, Sheng-Chang Wang, and Jow-Lay Huang. "Highly active electrocatalyst cobalt-carbide nanoparticles synthesized by wet-chemistry method for hydrogen evolution reaction." Modern Physics Letters B 34, no. 07n09 (March 16, 2020): 2040022. http://dx.doi.org/10.1142/s0217984920400229.

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Hydrogen is a promising alternative energy without greenhouse gas emissions. The transition metal carbides (TMCs) are considered a sustainable alternatives to noble metals in catalysis. Among the TMCs, Co[Formula: see text]C ([Formula: see text] = 2, 3) nanoparticles (NPs) act as an excellent electrocatalyst for hydrogen evolution reaction (HER) by water splitting. In our report, Co[Formula: see text]C nanocomposites were synthesized by wet chemistry method using cobalt (II) acetate, sodium hydroxide as precursors and triethylene glycol as solvent. In addition, Co2C NPs were synthesized by similar wet chemistry method using cobalt (II) acetate as precursors and triethylene glycol, oleylamine as solvent. The cobalt carbide NPs exhibited high electrocatalytic activity. Co[Formula: see text]C nanocomposites performed a −0.33 V onset potential and 91 mV/dec Tafel slope, while the Co2C NPs exhibited a better performance of −0.27 V and 60 mV/dec, respectively.
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46

Li, Z. W., L. Chen, C. K. Ong, and Z. Yang. "Static and dynamic magnetic properties of Co2Z barium ferrite nanoparticle composites." Journal of Materials Science 40, no. 3 (February 2005): 719–23. http://dx.doi.org/10.1007/s10853-005-6312-y.

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47

Wang, Pengyan, Jiawei Zhu, Zonghua Pu, Rui Qin, Chengtian Zhang, Ding Chen, Qian Liu, et al. "Interfacial engineering of Co nanoparticles/Co2C nanowires boosts overall water splitting kinetics." Applied Catalysis B: Environmental 296 (November 2021): 120334. http://dx.doi.org/10.1016/j.apcatb.2021.120334.

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48

Yu, Shi, and Gan Moog Chow. "Carboxyl group (–CO2H) functionalized ferrimagnetic iron oxide nanoparticles for potential bio-applications." J. Mater. Chem. 14, no. 18 (2004): 2781–86. http://dx.doi.org/10.1039/b404964k.

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Nikzad, Alireza, Ali Ghasemi, Masoud Kavosh Tehrani, and Gholam Reza Gordani. "Correlation Between Structural Features and Microwave Analysis of Substituted Sr-Co2Y Ceramic Nanoparticles." Journal of Superconductivity and Novel Magnetism 29, no. 6 (February 17, 2016): 1657–64. http://dx.doi.org/10.1007/s10948-016-3430-5.

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Novio, Fernando, Julia Lorenzo, Fabiana Nador, Karolina Wnuk, and Daniel Ruiz-Molina. "Carboxyl Group (CO2H) Functionalized Coordination Polymer Nanoparticles as Efficient Platforms for Drug Delivery." Chemistry - A European Journal 20, no. 47 (October 5, 2014): 15443–50. http://dx.doi.org/10.1002/chem.201403441.

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