MXene/Ag2CrO4 Nanocomposite as Supercapacitors Electrode
Abstract
:1. Introduction
2. Materials and Methods
2.1. Chemical and Reagents
2.2. Ag2CrO4 Nanoparticles Synthesis
2.3. Synthesis of MXene (Ti3C2Tx)
2.4. Synthesis of MXene/Ag2CrO4 Nanocomposite
3. Results and Discussion
3.1. X-ray Diffraction (XRD) Analysis
3.2. The Scanned Electronic Microscopic Analysis
3.3. Energy Dispersive X-ray Spectroscopy (EDX)
3.4. Raman Spectroscopy
3.5. Photoluminescence (PL) Spectroscopy
3.6. Electrochemical Analysis
3.6.1. Electrochemical Impedance Spectroscopy (EIS)
3.6.2. Electrochemical Active Surface Area (ECSA) Analysis
3.6.3. Electrochemical Investigations
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
- Goel, A.; Kumar, M. Supercapacitors as energy storing device: A review. Eur. J. Mol. Clin. Med. 2020, 7, 3586–3594. [Google Scholar]
- Saikia, B.K.; Benoy, S.M.; Bora, M.; Tamuly, J.; Pandey, M.; Bhattacharya, D. A brief review on supercapacitor energy storage devices and utilization of natural carbon resources as their electrode materials. Fuel 2020, 282, 118796. [Google Scholar] [CrossRef]
- Lukatskaya, M.R.; Kota, S.; Lin, Z.; Zhao, M.-Q.; Shpigel, N.; Levi, M.D.; Halim, J.; Taberna, P.-L.; Barsoum, M.W.; Simon, P.; et al. Ultra-high-rate pseudocapacitive energy storage in two-dimensional transition metal carbides. Nat. Energy 2017, 2, 17105. [Google Scholar] [CrossRef]
- Hu, H.; Pei, Z.; Ye, C. Recent advances in designing and fabrication of planar micro-supercapacitors for on-chip energy storage. Energy Storage Mater. 2015, 1, 82–102. [Google Scholar] [CrossRef]
- Zhu, Q.; Li, J.; Simon, P.; Xu, B. Two-dimensional MXenes for electrochemical capacitor applications: Progress, challenges and perspectives. Energy Storage Mater. 2021, 35, 630–660. [Google Scholar] [CrossRef]
- Chen, X.; Zhao, Y.; Li, L.; Wang, Y.; Wang, J.; Xiong, J.; Du, S.; Zhang, P.; Shi, X.; Yu, J. MXene/polymer nanocomposites: Preparation, properties, and applications. Polym. Rev. 2021, 61, 80–115. [Google Scholar] [CrossRef]
- Jun, B.-M.; Kim, S.; Heo, J.; Park, C.M.; Her, N.; Jang, M.; Huang, Y.; Han, J.H.; Yoon, Y. Review of MXenes as new nanomaterials for energy storage/delivery and selected environmental applications. Nano Res. 2019, 12, 471–487. [Google Scholar] [CrossRef] [Green Version]
- Osti, N.; Naguib, M.; Ostadhossein, A.; Xie, Y.; Kent, P.R.C.; Dyatkin, B.; Rother, G.; Heller, W.; Van Duin, A.C.T.; Gogotsi, Y.; et al. Effect of metal ion intercalation on the structure of MXene and water dynamics on its internal surfaces. ACS Appl. Mater. Interfaces 2016, 8, 8859–8863. [Google Scholar] [CrossRef]
- Peng, Y.-Y.; Akuzum, B.; Kurra, N.; Zhao, M.-Q.; Alhabeb, M.; Anasori, B.; Kumbur, E.C.; Alshareef, H.N.; Ger, M.-D.; Gogotsi, Y. All-MXene (2D titanium carbide) solid-state microsupercapacitors for on-chip energy storage. Energy Environ. Sci. 2016, 9, 2847–2854. [Google Scholar] [CrossRef] [Green Version]
- Iro, Z.S.; Subramani, C.; Dash, S.S. A brief review on electrode materials for supercapacitor. Int. J. Electrochem. Sci. 2016, 11, 10628–10643. [Google Scholar] [CrossRef]
- Yang, J.; Bao, W.; Jaumaux, P.; Zhang, S.; Wang, C.; Wang, G. MXene-based composites: Synthesis and applications in rechargeable batteries and supercapacitors. Adv. Mater. Interfaces 2019, 6, 1802004. [Google Scholar] [CrossRef]
- Shi, M.; Xin, Y.; Chen, X.; Zou, K.; Jing, W.; Sun, J.; Chen, Y.; Liu, Y. Coal-derived porous activated carbon with ultrahigh specific surface area and excellent electrochemical performance for supercapacitors. J. Alloys Comp. 2021, 859, 157856. [Google Scholar] [CrossRef]
- Ghidiu, M.; Lukatskaya, M.R.; Zhao, M.-Q.; Gogotsi, Y.; Barsoum, M.W. Conductive two-dimensional titanium carbide ‘clay’ with high volumetric capacitance. Nat. Cell Biol. 2014, 516, 78–81. [Google Scholar] [CrossRef] [PubMed]
- Yuan, C.; Bin Wu, H.; Xie, Y.; Lou, X.W. Mixed transition-metal oxides: Design, synthesis, and energy-related applications. Angew. Chem. Int. Ed. 2014, 53, 1488–1504. [Google Scholar] [CrossRef] [PubMed]
- Xue, Y.; Sun, S.; Wang, Q.; Dong, Z.; Liu, Z. Transition metal oxide-based oxygen reduction reaction electrocatalysts for energy conversion systems with aqueous electrolytes. J. Mater. Chem. A 2018, 6, 10595–10626. [Google Scholar] [CrossRef]
- Maitra, S.; Mitra, R.; Nath, T. Sol-gel derived MgCr2O4 nanoparticles for aqueous supercapacitor and alkaline OER and HER bi-functional electrocatalyst applications. J. Alloys Comp. 2021, 858, 157679. [Google Scholar] [CrossRef]
- Veksha, A.; Moo, J.G.S.; Krikstolaityte, V.; Oh, W.-D.; Udayanga, W.C.; Giannis, A.; Lisak, G. Synthesis of CaCr2O4/carbon nanoplatelets from non-condensable pyrolysis gas of plastics for oxygen reduction reaction and charge storage. J. Electroanal. Chem. 2019, 849, 113368. [Google Scholar] [CrossRef]
- Walia, S.; Balendhran, S.; Nili, H.; Zhuiykov, S.; Rosengarten, G.; Wang, Q.H.; Bhaskaran, M.; Sriram, S.; Strano, M.S.; Kalantar-Zadeh, K. Transition metal oxides—Thermoelectric properties. Prog. Mater. Sci. 2013, 58, 1443–1489. [Google Scholar] [CrossRef] [Green Version]
- Ouyang, S.; Li, Z.; Ouyang, Z.; Yu, T.; Ye, J.; Zou, Z. Correlation of Crystal structures, electronic structures, and photocatalytic properties in a series of Ag-based oxides: AgAlO2, AgCrO2, and Ag2CrO4. J. Phys. Chem. C 2008, 112, 3134–3141. [Google Scholar] [CrossRef]
- Xu, D.; Cheng, B.; Cao, S.; Yu, J. Enhanced photocatalytic activity and stability of Z-scheme Ag2CrO4-GO composite photocatalysts for organic pollutant degradation. Appl. Catal. B Environ. 2015, 164, 380–388. [Google Scholar] [CrossRef]
- Feizpoor, S.; Habibi-Yangjeh, A.; Vadivel, S. Novel TiO2/Ag2 CrO4 nanocomposites: Efficient visible-light-driven photocatalysts with n–n heterojunctions. J. Photochem. Photobiol. A Chem. 2017, 341, 57–68. [Google Scholar] [CrossRef]
- Li, H.; Li, X.; Liang, J.; Chen, Y. Hydrous RuO2-decorated MXene coordinating with silver nanowire inks enabling fully printed micro-supercapacitors with extraordinary volumetric performance. Adv. Energy Mater. 2019, 9, 1902467. [Google Scholar] [CrossRef]
- Ma, Z.; Kang, S.; Ma, J.; Shao, L.; Zhang, Y.; Liu, C.; Wei, A.; Xiang, X.; Wei, L.; Gu, J. Ultraflexible and mechanically strong double-layered aramid nanofiber-Ti3C2Tx MXene/silver nanowire nanocomposite papers for high-performance electromagnetic interference shielding. ACS Nano 2020, 14, 8368–8382. [Google Scholar] [CrossRef]
- Etman, A.S.; Halim, J.; Rosen, J. Fabrication of Mo1.33CTz (MXene)—Cellulose freestanding electrodes for supercapacitor applications. Mater. Adv. 2021, 2, 743–753. [Google Scholar] [CrossRef]
- He, X.; Liu, Z.; Shen, G.; He, X.; Liang, J.; Zhong, Y.; Liang, T.; He, J.; Xin, Y.; Zhang, C.; et al. Microstructured capacitive sensor with broad detection range and long-term stability for human activity detection. NPJ Flex. Electron. 2021, 5, 17. [Google Scholar] [CrossRef]
- Liu, Y.; Luo, R.; Li, Y.; Qi, J.; Wang, C.; Li, J.; Sun, X.; Wang, L. Sandwich-like Co3O4/MXene composite with enhanced catalytic performance for Bisphenol A degradation. Chem. Eng. J. 2018, 347, 731–740. [Google Scholar] [CrossRef]
- Zou, G.; Zhang, Z.; Guo, J.; Liu, B.; Zhang, Q.; Fernandez, C.; Peng, Q. Synthesis of MXene/Ag composites for extraordinary long cycle lifetime lithium storage at high rates. ACS Appl. Mater. Interfaces 2016, 8, 22280–22286. [Google Scholar] [CrossRef] [PubMed]
- Simon, P.; Gogotsi, Y. Materials for electrochemical capacitors. In Nanoscience and Technology: A Collection of Reviews from Nature Journals; Rodgers, P., Ed.; Macmillan: London, UK; World Scientific: London, UK, 2009; pp. 320–329. [Google Scholar]
- Gao, Y.; Wang, L.; Zhou, A.; Li, Z.; Chen, J.; Bala, H.; Hu, Q.; Cao, X. Hydrothermal synthesis of TiO2/Ti3C2 nanocomposites with enhanced photocatalytic activity. Mater. Lett. 2015, 150, 62–64. [Google Scholar] [CrossRef]
- Iqbal, M.A.; Ali, S.I.; Amin, F.; Tariq, A.; Rizwan, S. La- and Mn-codoped bismuth ferrite/Ti3C2 MXene composites for efficient photocatalytic degradation of congo red dye. ACS Omega 2019, 4, 8661–8668. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- Shafique, R.; Rani, M.; Mahmood, A.; Khan, S.; Janjua, N.K.; Sattar, M.; Batool, K.; Yaqoob, T. Copper chromite/graphene oxide nanocomposite for capacitive energy storage and electrochemical applications. Int. J. Environ. Sci. Technol. 2021. [Google Scholar] [CrossRef]
- Alamdari, R.F.; Hajimirsadeghi, S.S.; Kohsari, I. Synthesis of silver chromate nanoparticles: Parameter optimization using Taguchi design. Inorg. Mater. 2010, 46, 60–64. [Google Scholar] [CrossRef]
- Peng, C.; Yang, X.; Li, Y.; Yu, H.; Wang, H.; Peng, F. Hybrids of two-dimensional Ti3C2 and TiO2 exposing {001} Facets toward enhanced photocatalytic activity. ACS Appl. Mater. Interfaces 2016, 8, 6051–6060. [Google Scholar] [CrossRef] [PubMed]
- Zhou, L.; Kamyab, H.; Surendar, A.; Maseleno, A.; Ibatova, A.Z.; Chelliapan, S.; Karachi, N.; Parsaee, Z. Novel Z-scheme composite Ag2CrO4/NG/polyimide as high performance nano catalyst for photoreduction of CO2: Design, fabrication, characterization and mechanism. J. Photochem. Photobiol. A Chem. 2019, 368, 30–40. [Google Scholar] [CrossRef]
- Soofivand, F.; Mohandes, F.; Salavati-Niasari, M. Silver chromate and silver dichromate nanostructures: Sonochemical synthesis, characterization, and photocatalytic properties. Mater. Res. Bull. 2013, 48, 2084–2094. [Google Scholar] [CrossRef]
- Tariq, A.; Ali, S.I.; Akinwande, D.; Rizwan, S. Efficient visible-light photocatalysis of 2D-MXene nanohybrids with Gd3+- and Sn4+-codoped bismuth ferrite. ACS Omega 2018, 3, 13828–13836. [Google Scholar] [CrossRef] [Green Version]
- Irfan, S.; Rizwan, S.; Shen, Y.; Li, L.; Asfandiyar, A.; Butt, S.; Nan, C.-W. The gadolinium (Gd3+) and tin (Sn4+) co-doped BiFeO3 nanoparticles as new solar light active photocatalyst. Sci. Rep. 2017, 7, 1–12. [Google Scholar] [CrossRef] [Green Version]
- Vanaja, M.; Annadurai, G. Coleus aromaticus leaf extract mediated synthesis of silver nanoparticles and its bactericidal activity. Appl. Nanosci. 2013, 3, 217–223. [Google Scholar] [CrossRef] [Green Version]
- Kannan, K.; Sliem, M.H.; Abdullah, A.M.; Sadasivuni, K.K.; Kumar, B. Fabrication of ZnO-Fe-MXene based nanocomposites for efficient CO2 reduction. Catalysts 2020, 10, 549. [Google Scholar] [CrossRef]
- Dong, X.; Li, J.; Xing, Q.; Zhou, Y.; Huang, H.; Dong, F. The activation of reactants and intermediates promotes the selective photocatalytic NO conversion on electron-localized Sr-intercalated g-C3N4. Appl. Catal. B Environ. 2018, 232, 69–76. [Google Scholar] [CrossRef]
- Malik, T.; Naveed, S.; Muneer, M.; Mohammad, M.A. Fabrication and characterization of laser scribed supercapacitor based on polyimide for energy storage. Key Eng. Mater. 2018, 778, 181–186. [Google Scholar] [CrossRef] [Green Version]
- Bin-In, J.; Hsia, B.; Yoo, J.-H.; Hyun, S.; Carraro, C.; Maboudian, R.; Grigoropoulos, C.P. Facile fabrication of flexible all solid-state micro-supercapacitor by direct laser writing of porous carbon in polyimide. Carbon 2015, 83, 144–151. [Google Scholar] [CrossRef]
- Reddy, R.N.; Reddy, R.G. Sol-gel MnO2 as an electrode material for electrochemical capacitors. J. Power Sources 2003, 124, 330–337. [Google Scholar] [CrossRef]
- Naguib, M.; Mashtalir, O.; Carle, J.; Presser, V.; Lu, J.; Hultman, L.; Gogotsi, Y.; Barsoum, M.W. Two-dimensional transition metal carbides. ACS Nano 2012, 6, 1322–1331. [Google Scholar] [CrossRef] [PubMed]
- Zhan, X.; Si, C.; Zhou, J.; Sun, Z. MXene and MXene-based composites: Synthesis, properties and environment-related applications. Nanoscale Horiz. 2019, 5, 235–258. [Google Scholar] [CrossRef]
- Khan, T.M.; Mehmood, M.F.; Mahmood, A.; Shah, A.; Raza, Q.; Iqbal, A.; Aziz, U. Synthesis of thermally evaporated ZnSe thin film at room temperature. Thin Solid Films 2011, 519, 5971–5977. [Google Scholar] [CrossRef]
- Nagarajan, R.D.; Sundaramurthy, A.; Sundramoorthy, A.K. Synthesis and characterization of MXene (Ti3C2Tx)/Iron oxide composite for ultrasensitive electrochemical detection of hydrogen peroxide. Chemosphere 2021, 286, 131478. [Google Scholar] [CrossRef]
- Sarycheva, A.; Gogotsi, Y. Raman spectroscopy analysis of the structure and surface chemistry of Ti3C2Tx MXene. Chem. Mater. 2020, 32, 3480–3488. [Google Scholar] [CrossRef]
- Hu, M.; Li, Z.; Hu, T.; Zhu, S.; Zhang, C.; Wang, X. High-capacitance mechanism for Ti3C2Tx MXene by in situ electrochemical raman spectroscopy investigation. ACS Nano 2016, 10, 11344–11350. [Google Scholar] [CrossRef] [PubMed]
- Zhao, L.; Wang, K.; Wei, W.; Wang, L.; Han, W. High-performance flexible sensing devices based on polyaniline/MXene nanocomposites. InfoMat 2019, 1, 407–416. [Google Scholar] [CrossRef] [Green Version]
- Muduli, S.; Pandey, P.; Devatha, G.; Babar, R.; Thripuranthaka, M.; Kothari, D.C.; Kabir, M.; Pillai, P.P.; Ogale, S.B. Photoluminescence quenching in self-assembled cspbbr3 quantum dots on few-layer black phosphorus sheets. Angew. Chem. 2018, 130, 7808–7812. [Google Scholar] [CrossRef]
- Pan, A.; Ma, X.; Huang, S.; Wu, Y.; Jia, M.; Shi, Y.; Liu, Y.; Wangyang, P.; He, L.; Liu, Y. CsPbBr3 Perovskite nanocrystal grown on MXene nanosheets for enhanced photoelectric detection and photocatalytic CO2 reduction. J. Phys. Chem. Lett. 2019, 10, 6590–6597. [Google Scholar] [CrossRef] [Green Version]
- Iqbal, M.A.; Tariq, A.; Zaheer, A.; Gul, S.; Ali, S.I.; Akinwande, D.; Rizwan, S. Ti3C2-MXene/bismuth ferrite nanohybrids for efficient degradation of organic dyes and colorless pollutants. ACS Omega 2019, 4, 20530–20539. [Google Scholar] [CrossRef] [Green Version]
- Ghifari, A.; Long, D.X.; Kim, S.; Ma, B.; Hong, J. Transparent platinum counter electrode prepared by polyol reduction for bifacial, dye-sensitized solar cells. Nanomater. 2020, 10, 502. [Google Scholar] [CrossRef] [Green Version]
- Schechner, P.; Kroll, E.; Bubis, E.; Chervinsky, S.; Zussman, E. Silver-plated electrospun fibrous anode for glucose alkaline fuel cells. J. Electrochem. Soc. 2007, 154, B942–B948. [Google Scholar] [CrossRef]
- Lufrano, F.; Staiti, P.; Minutoli, M. Influence of Nafion content in electrodes on performance of carbon supercapacitors. J. Electrochem. Soc. 2004, 151, A64–A68. [Google Scholar] [CrossRef]
- Negroiu, R.; Svasta, P.; Pirvu, C.; Vasile, A.; Marghescu, C. Electrochemical impedance spectroscopy for different types of supercapacitors. In Proceedings of the 40th International Spring Seminar on Electronics Technology (ISSE), Sofia, Bulgaria, 10–14 May 2017. [Google Scholar]
- Mujtaba, A.; Janjua, N.K. Fabrication and electrocatalytic application of CuO@Al2O3Hybrids. J. Electrochem. Soc. 2015, 162, H328–H337. [Google Scholar] [CrossRef]
- Sabatani, E.; Rubinstein, I.; Maoz, R.; Sagiv, J. Organized self-assembling monolayers on electrodes. J. Electroanal. Chem. Interfacial Electrochem. 1987, 219, 365–371. [Google Scholar] [CrossRef]
- Khan, S.; Shah, S.; Anjum, M.; Khan, M.; Janjua, N. Electro-oxidation of ammonia over copper oxide impregnated γ-Al2O3 nanocatalysts. Coatings 2021, 11, 313. [Google Scholar] [CrossRef]
- Muhammad, S.; Zahra, U.B.; Ahmad, A.; Shah, L.A.; Muhammad, A. Understanding the basics of electron transfer and cyclic voltammetry of potassium ferricyanide—An outer sphere heterogeneous electrode reaction. J. Chem. Soc. Pakistan 2020, 42, 813–817. [Google Scholar]
- Cossar, E.; Houache, M.S.; Zhang, Z.; Baranova, E.A. Comparison of electrochemical active surface area methods for various nickel nanostructures. J. Electroanal. Chem. 2020, 870, 114246. [Google Scholar] [CrossRef]
- Xu, H.; Zheng, D.; Liu, F.; Li, W.; Lin, J. Synthesis of an MXene/polyaniline composite with excellent electrochemical properties. J. Mater. Chem. A 2020, 8, 5853–5858. [Google Scholar] [CrossRef]
- Mishra, N.; Shinde, S.; Vishwakarma, R.; Kadam, S.; Sharon, M.; Sharon, M. MWCNTs synthesized from waste polypropylene plastics and its application in super-capacitors. In AIP Conference Proceedings; American Institute of Physics: College Park, MD, USA, 2013; Volume 1538, pp. 228–236. [Google Scholar] [CrossRef]
- Sagadevan, S.; Chowdhury, Z.Z.; Bin Johan, M.R.; Aziz, F.A.; Salleh, E.M.; Hawa, A.; Rafique, R.F. A one-step facile route synthesis of copper oxide/reduced graphene oxide nanocomposite for supercapacitor applications. J. Exp. Nanosci. 2018, 13, 284–296. [Google Scholar] [CrossRef] [Green Version]
- Wang, X.; Fu, Q.; Wen, J.; Ma, X.; Zhu, C.; Zhang, X.; Qi, D. 3D Ti3C2Txaerogels with enhanced surface area for high performance supercapacitors. Nanoscale 2018, 10, 20828–20835. [Google Scholar] [CrossRef] [PubMed]
- Lin, Z.; Barbara, D.; Taberna, P.-L.; Van Aken, K.L.; Anasori, B.; Gogotsi, Y.; Simon, P. Capacitance of Ti3C2Tx MXene in ionic liquid electrolyte. J. Power Sources 2016, 326, 575–579. [Google Scholar] [CrossRef] [Green Version]
- Boota, M.; Anasori, B.; Voigt, C.; Zhao, M.-Q.; Barsoum, M.W.; Gogotsi, Y. Pseudocapacitive electrodes produced by oxidant-free polymerization of pyrrole between the layers of 2D titanium carbide (MXene). Adv. Mater. 2016, 28, 1517–1522. [Google Scholar] [CrossRef]
- Zang, X.; Wang, J.; Qin, Y.; Wang, T.; He, C.; Shao, Q.; Zhu, H.; Cao, N. Enhancing capacitance performance of Ti3C2Tx MXene as electrode materials of supercapacitor: From controlled preparation to composite structure construction. Nano-Micro Lett. 2020, 12, 77. [Google Scholar] [CrossRef] [Green Version]
Elements | Shell | Weight (%) |
---|---|---|
Oxygen | K | 14.10 |
Silver | K | 43.41 |
Titanium | K | 39.04 |
Chromium | K | 3.04 |
Electrolyte | Ru (Ω) | Rp (kΩ) | CPE (µF) | Alpha | RW (µΩ) | Kapp (10−8 cm s−1) |
---|---|---|---|---|---|---|
1M KOH | 17.52 | 52.60 | 7.90 | 0.85 | 19.63 | 0.03 |
0.1M H2SO4 | 7.80 | 1.35e−6 | 0.94 | 0.89 | 92.03 | 3953 |
Scan Rate (m Vs−1) | Specific Capacitance (F/g) in 1 M KOH | Specific Capacitance (F/g) in 0.1 M H2SO4 |
---|---|---|
10 | - | 525 |
20 | 75 | 348 |
40 | 40 | 239 |
70 | 29 | 176 |
80 | 28 | 161 |
100 | 26 | 148 |
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. |
© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Share and Cite
Yaqoob, T.; Rani, M.; Mahmood, A.; Shafique, R.; Khan, S.; Janjua, N.K.; Shah, A.A.; Ahmad, A.; Al-Kahtani, A.A. MXene/Ag2CrO4 Nanocomposite as Supercapacitors Electrode. Materials 2021, 14, 6008. https://doi.org/10.3390/ma14206008
Yaqoob T, Rani M, Mahmood A, Shafique R, Khan S, Janjua NK, Shah AA, Ahmad A, Al-Kahtani AA. MXene/Ag2CrO4 Nanocomposite as Supercapacitors Electrode. Materials. 2021; 14(20):6008. https://doi.org/10.3390/ma14206008
Chicago/Turabian StyleYaqoob, Tahira, Malika Rani, Arshad Mahmood, Rubia Shafique, Safia Khan, Naveed Kausar Janjua, Aqeel Ahmad Shah, Awais Ahmad, and Abdullah A. Al-Kahtani. 2021. "MXene/Ag2CrO4 Nanocomposite as Supercapacitors Electrode" Materials 14, no. 20: 6008. https://doi.org/10.3390/ma14206008