Heterojunction formation in In2O3–NiO nanocomposites: Towards high specific capacitance

Jabeen, Sobia; Iqbal, Javed; Arshad, Aqsa; Williams, James; Samarin, Sergey; Rani, Maria

doi:10.1016/j.jallcom.2020.155840

Cited by 18 publications

(6 citation statements)

References 64 publications

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“…The lower energy peak at 529.4 eV could be assigned to the lattice oxygen of In 2 O 3 , while the higher one at 531.1 eV is usually attributed to chemisorbed oxygen on the surfaces. [ 46,50,51 ] Figure 4d shows the Cd 3d spectrum of In 2 O 3 /CdZnS composites, which exhibits two peaks of Cd 3d 5/2 and Cd 3d 3/2 discerned at the binding energies of 404.7 and 411.5 eV, respectively, suggesting that the chemical state of Cd in In 2 O 3 /CdZnS is Cd 2+ . In the Zn 2p high‐resolution XPS spectrum of In 2 O 3 /CdZnS (Figure 4e), it shows that the binding energies for Zn 2p 3/2 and Zn 2p 1/2 are centered at 1021.4 and 1044.5 eV, respectively.…”

Section: Resultsmentioning

confidence: 99%

MOFs‐Derived Fusiform In₂O₃ Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution

Yang

Tang

Luo

et al. 2021

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The development of efficient visible‐light‐driven photocatalysts is one of the critically important issues for solar hydrogen production. Herein, high‐efficiency visible‐light‐driven In2O3/CdZnS hybrid photocatalysts are explored by a facile oil‐bath method, in which ultrafine CdZnS nanoparticles are anchored on NH2‐MIL‐68‐derived fusiform In2O3 mesoporous nanorods. It is disclosed that the as‐prepared In2O3/CdZnS hybrid photocatalysts exhibit enhanced visible‐light harvesting, improves charges transfer and separation as well as abundant active sites. Correspondingly, their visible‐light‐driven H2 production rate is significantly enhanced for more than 185 times to that of pristine In2O3 nanorods, and superior to most of In2O3‐based photocatalysts ever reported, representing their promising applications in advanced photocatalysts.

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Section: Resultsmentioning

confidence: 99%

MOFs‐Derived Fusiform In₂O₃ Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution

Yang

Tang

Luo

et al. 2021

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“…[20]. After coating with NiO, the diffraction peaks at 37.04 • , 43.13 • , 62.72 • , 75.13 • , and 78.60 • correspond to the (111), ( 200), ( 220), (311), and (222) diffraction planes in NiO, respectively (JCPDS 01-073-1523) [21]. Furthermore, after loading MoS 2 , there are diffraction peaks at 14.5 • , 32.12 • , 39.72 • , and 58.5 • for MoS 2 , which correspond to plates (002), (100), (103), and (110), respectively, which indicate the presence of MoS 2 confirmed in composite nanoparticles In 2 O 3 /NiO (JCPDS 73-1508) [14,22].…”

Section: Assessment Of Photocatalytic Performancementioning

confidence: 99%

In2O3/NIO/MOS2 Composite as a Novel Photocatalytic towards Imatinib and 5-Fluorouracil Degradation

Khashi,

Sayadi

2023

Water

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Photocatalysts with high efficiency in water and wastewater treatment have gained increasing attention in recent years. This study synthesized an In2O3/NiO/MoS2 composite using the hydrothermal method and characterized its crystal structure, particle size, morphology, elemental purity, and optical properties. This nanocomposite exhibits high photocatalytic activity under visible light radiation. It achieved efficiencies of 91.57% and 88.23% in decomposing Imatinib and 5-fluorouracil, respectively. The formation of heterogeneity between MoS2 and NiO enhances the photocatalytic activity, which facilitates the separation and transfer efficiency of photo-generated electron-hole pairs, increases the catalytic active sites, and inhibits the rate of electron-hole recombination. The photocatalytic mechanism shows that both O2− and H+ are reactive species for the degradation of the studied pollutant. The stability and reusability tests deposited that the In2O3/NiO/MoS2 composite photocatalyst has superior stability during four reuse cycles. The results of the study show that a unique photocatalyst system can provide a new perspective and create new opportunities for the design of efficient composite photocatalysts.

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“…Due to these unique properties, NiO x thin films become multipurpose materials in various applications such as electrochromic (EC) applications [ 4 ]. NiO manifests high optical contrast, fast switching times, good cycling, and anodic coloration, which is very promising for a counter electrode layer in complementary EC devices [ 5 , 6 , 7 ], supercapacitors [ 8 ], as a hole transport layer of perovskite solar cells [ 9 ], highly sensitive gas sensors [ 2 ], transparent conducting oxides, spin-valve giant magnetoresistive sensors, chemical sensor applications, Schottky diodes, and metal oxide field-effect transistors (MOSFETs) [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Nickel Oxide Films Deposited by Sol-Gel Method: Effect of Annealing Temperature on Structural, Optical, and Electrical Properties

et al. 2022

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In our study, transparent and conductive films of NiOx were successfully deposited by sol-gel technology. NiOx films were obtained by spin coating on glass and Si substrates. The vibrational, optical, and electrical properties were studied as a function of the annealing temperatures from 200 to 500 °C. X-ray Photoelectron (XPS) spectroscopy revealed that NiO was formed at the annealing temperature of 400 °C and showed the presence of Ni+ states. The optical transparency of the films reached 90% in the visible range for 200 °C treated samples, and it was reduced to 76–78% after high-temperature annealing at 500 °C. The optical band gap of NiOx films was decreased with thermal treatments and the values were in the range of 3.92–3.68 eV. NiOx thin films have good p-type electrical conductivity with a specific resistivity of about 4.8 × 10−3 Ω·cm. This makes these layers suitable for use as wideband semiconductors and as a hole transport layer (HTL) in transparent solar cells.

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Heterojunction formation in In2O3–NiO nanocomposites: Towards high specific capacitance

Cited by 18 publications

References 64 publications

MOFs‐Derived Fusiform In₂O₃ Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution

MOFs‐Derived Fusiform In₂O₃ Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution

In2O3/NIO/MOS2 Composite as a Novel Photocatalytic towards Imatinib and 5-Fluorouracil Degradation

Nickel Oxide Films Deposited by Sol-Gel Method: Effect of Annealing Temperature on Structural, Optical, and Electrical Properties

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Heterojunction formation in In2O3–NiO nanocomposites: Towards high specific capacitance

Cited by 18 publications

References 64 publications

MOFs‐Derived Fusiform In2O3 Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution

MOFs‐Derived Fusiform In2O3 Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution

In2O3/NIO/MOS2 Composite as a Novel Photocatalytic towards Imatinib and 5-Fluorouracil Degradation

Nickel Oxide Films Deposited by Sol-Gel Method: Effect of Annealing Temperature on Structural, Optical, and Electrical Properties

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MOFs‐Derived Fusiform In₂O₃ Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution

MOFs‐Derived Fusiform In₂O₃ Mesoporous Nanorods Anchored with Ultrafine CdZnS Nanoparticles for Boosting Visible‐Light Photocatalytic Hydrogen Evolution