Thin films composed of Zr-doped In<sub>2</sub>O<sub>3</sub> grains rich in fracture surfaces and cracks for photoelectrochemical water oxidation

Yang, Shu; Chen, Changlong; Wei, Yu‐Ling; Wang, Leshuang; Liu, Qiang; Jiang, Liya; Li, Guobao

doi:10.1039/d1dt03690d

Cited by 4 publications

(2 citation statements)

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“…29,36 The optical property was characterized by UV-vis diffuse reflectance, and Tauc's plots was used to analyze the bang gap of In 2 O 3 and Cl-GQDs/In 2 O 3 . 1 The absorption regions of In 2 O 3 in the ultraviolet range were shown in Fig. 4a, and the calculated band gap was 2.46 eV.…”

Section: Resultsmentioning

confidence: 96%

“…Among metal oxide semiconductor nanomaterials, indium oxide (In 2 O 3 ) as a characteristic n-type semiconductor with a band gap of 2.0-3.6 eV, had been widely applied in photodetectors, solar cells, photocatalytic degradation and gas detection. [1][2][3][4][5] Many advantages of In 2 O 3 , such as excellent optoelectronic properties, high electrical conductivity, tunable band gap and light absorption ability, had made it attracted widespread attention. [6][7][8][9] Essential for optical semiconductor devices was the ability to absorb visible light and the rapid separation of photogenerated electron-hole pairs.…”

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confidence: 99%

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Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In₂O₃

Li¹,

Wang²,

Lei³

et al. 2022

J. Electrochem. Soc.

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The morphology and optical properties of simple synthesized chlorine-doped graphene quantum dots (Cl-GQDs) were synthesized by transmission electron microscopy, photoluminescence, and UV-vis spectrometry. The Cl-GQDs/In2O3 were synthesized by an ultrasonic treatment and the morphology, structure and composition, band gap, and surface area were analyzed by different techniques. The effect of the mass percentage of Cl-GQDs on the photoelectrochemical (PEC) behavior of In2O3 was investigated, and the results showed that 3 wt% Cl-GQDs could effectively improve the separation of photogenerated carriers. Moreover, the photocurrent density of 3 wt% Cl-GQDs/In2O3 was about ten times that of pure In2O3. Cyclic voltammetry measurements of Cl-GQDs/In2O3 under dark and light were compared to further investigate the capacitive effect of Cl-GQDs, and the results indicated that Cl-GQDs could store photogenerated electrons, inhibiting the recombination of electron-hole pairs. This work was expected to be helpful for enhancing the PEC performance of In2O3 and extending the application of Cl-GQDs.

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Section: Resultsmentioning

confidence: 96%

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confidence: 99%

Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In₂O₃

Li¹,

Wang²,

Lei³

et al. 2022

J. Electrochem. Soc.

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A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation

Wang

Zhu

et al. 2023

Adv Funct Materials

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CO2 hydrogenation to value‐added chemicals has been considered as a promising way to reduce CO2 emission and alleviate energy crisis. However, the high‐efficiency CO2 hydrogenation process is driven by the current drawbacks of low activity and/or selectivity. Herein, it is demonstrated that 2D S‐doped ZnInOx, which evolves from the calcination of ZnIn2S4 nanosheets (ZIS NSs), can serve as a functional support for Pd nanoparticles (NPs) to promote the selective CO2 hydrogenation to CH3OH. Detailed investigations show that ZnIn2S4 will evolve into In2O3 and amorphous S‐doped ZnO, on which Pd NPs are preferentially located due to the strong electrophilicity of S. Consequently, the strong interaction between Pd NPs and amorphous S‐doped ZnO prevents Pd NPs from sintering and facilitates the selective CO2 hydrogenation to produce CH3OH. The optimal catalyst shows a CO2 conversion of 12.7% with a CH3OH selectivity of 87.4% at 280 °C. This study provides a facile route to regulate catalytic supports and controllably load active species, which may attract great research interests in the fields of heterogeneous catalysis.

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The enhanced photoelectric performances and capacitance effects of In2O3/3D rGO

Lei,

Tang,

et al. 2023

Diamond and Related Materials

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Thin films composed of Zr-doped In₂O₃ grains rich in fracture surfaces and cracks for photoelectrochemical water oxidation

Abstract: Zr doped In2O3 thin films are prepared on FTO substrates by a two-step method: firstly, Zr-doped In(OH)3 thin films are hydrothermally deposited, and then converted to Zr-doped In2O3 films by...

Cited by 4 publications

References 32 publications

Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In₂O₃

Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In₂O₃

A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation

The enhanced photoelectric performances and capacitance effects of In2O3/3D rGO

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Thin films composed of Zr-doped In2O3 grains rich in fracture surfaces and cracks for photoelectrochemical water oxidation

Abstract: Zr doped In2O3 thin films are prepared on FTO substrates by a two-step method: firstly, Zr-doped In(OH)3 thin films are hydrothermally deposited, and then converted to Zr-doped In2O3 films by...

Cited by 4 publications

References 32 publications

Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In2O3

Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In2O3

A Derivative of ZnIn2S4 Nanosheet Supported Pd Boosts Selective CO2 Hydrogenation

The enhanced photoelectric performances and capacitance effects of In2O3/3D rGO

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Product

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Thin films composed of Zr-doped In₂O₃ grains rich in fracture surfaces and cracks for photoelectrochemical water oxidation

Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In₂O₃

Photoelectrochemical Behavior of Simple Synthesized Cl-GQDs/In₂O₃

A Derivative of ZnIn₂S₄ Nanosheet Supported Pd Boosts Selective CO₂ Hydrogenation