Ni(OH)2-modified SrTiO3 for enhanced photocatalytic hydrogen evolution reactions

2020 ◽  
Vol 44 (17) ◽  
pp. 7194-7199
Author(s):  
Wenqian Chen ◽  
Meiqi Zhang ◽  
Shaohua Yang ◽  
Jinyi Chen ◽  
Liang Tang
Keyword(s):  
Photocatalytic Activity ◽  
Hydrogen Evolution ◽  
Strontium Titanate ◽  
Chemical Stability ◽  
High Chemical ◽  
Photocatalytic Hydrogen Evolution ◽  
Excellent Photocatalytic Activity ◽  
Hydrogen Evolution Reactions ◽  
High Chemical Stability

Strontium titanate (SrTiO3) is a promising photocatalyst because of its high chemical stability and excellent photocatalytic activity.

Integrating Mn-ZIF-67 on hollow spherical CdS photocatalysts forming a unique interfacial structure for the efficient photocatalytic hydrogen evolution and degradation under visible light

2020 ◽  
Vol 7 (9) ◽  
pp. 2809-2822
Author(s):  
Dan You ◽  
Dajun Shi ◽  
Qingrong Cheng ◽  
Yanling Chen ◽  
Zhiquan Pan
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Hydrogen Evolution ◽  
Visible Light Irradiation ◽  
Interfacial Structure ◽  
Light Irradiation ◽  
Photocatalytic Hydrogen Evolution ◽  
Excellent Photocatalytic Activity

CdS@Mn-ZIF-67 heterojunction photocatalyst exhibited excellent photocatalytic activity for TC degradation and hydrogen evolution under visible light irradiation and are more effective than the single Mn-ZIF-67 or the hollow CdS nanospheres.

TiO2/CdS porous hollow microspheres rapidly synthesized by salt-assistant aerosol decomposition method for excellent photocatalytic hydrogen evolution performance

2016 ◽  
Vol 45 (3) ◽  
pp. 1160-1165 ◽  
Author(s):  
Yu Huang ◽  
Jun Chen ◽  
Wei Zou ◽  
Linxing Zhang ◽  
Lei Hu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Hydrogen Evolution ◽  
Decomposition Method ◽  
Hollow Microspheres ◽  
One Pot ◽  
Photocatalytic Hydrogen Evolution ◽  
Excellent Photocatalytic Activity

TiO2/CdS porous hollow microspheres have been one-pot rapidly synthesized and exhibit an excellent photocatalytic activity of 996 μmol h−1 under visible light.

Enhanced photocatalytic hydrogen evolution efficiency using hollow microspheres of (CuIn)xZn2(1−x)S2 solid solutions

2015 ◽  
Vol 44 (24) ◽  
pp. 10991-10996 ◽  
Author(s):  
Yu Huang ◽  
Jun Chen ◽  
Wei Zou ◽  
Linxing Zhang ◽  
Lei Hu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Hydrogen Evolution ◽  
Solid Solutions ◽  
Hollow Spheres ◽  
Hollow Microspheres ◽  
Photocatalytic Hydrogen Evolution ◽  
Excellent Photocatalytic Activity

Hollow spheres of multicomponent (CuIn)xZn2(1−x)S2 solid solutions have been rapidly synthesized, which exhibit excellent photocatalytic activity.

Enhanced photocatalytic hydrogen evolution over a heterojunction composed of silver cyanamide and graphitic carbon nitride

2018 ◽  
Vol 42 (19) ◽  
pp. 16005-16012 ◽  
Author(s):  
Chunpeng Bai ◽  
Jingce Bi ◽  
Junbiao Wu ◽  
Yide Han ◽  
Xia Zhang
Keyword(s):  
Photocatalytic Activity ◽  
Hydrogen Evolution ◽  
Carbon Nitride ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
Simulated Sunlight ◽  
Sunlight Irradiation ◽  
Photocatalytic Hydrogen Evolution ◽  
Excellent Photocatalytic Activity

A semiconductor heterojunction composed of silver cyanamide (Ag2NCN) and graphitic carbon nitride (g-C3N4) exhibited excellent photocatalytic activity for hydrogen evolution under simulated sunlight irradiation.

Cobalt ion redox and conductive polymers boosted the photocatalytic activity of the graphite carbon nitride–Co3O4 Z-scheme heterostructure

2021 ◽  
Vol 45 (1) ◽  
pp. 162-168
Author(s):  
Tao Li ◽  
Jiandong Cui ◽  
Yezhan Lin ◽  
Kecheng Liu ◽  
Rui Li ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Synergistic Effect ◽  
Hydrogen Evolution ◽  
Carbon Nitride ◽  
Conductive Polymers ◽  
Cobalt Ion ◽  
Photocatalytic Hydrogen Evolution ◽  
Conductive Polyaniline

The enhanced photocatalytic hydrogen evolution performance of g-C3N4–Co3O4 2D–1D Z-scheme heterojunctions was achieved through the synergistic effect of the cobalt ion redox, conductive polyaniline, and a Co3O4 nanobelt.

scholarly journals Conjugated Polymer Donor-Molecular Acceptor Nanohybrids for Photocatalytic Hydrogen Evolution

2019 ◽  
Author(s):  
Haofan Yang ◽  
Xiaobo Li ◽  
Reiner Sebastian Sprick ◽  
Andrew I. Cooper
Keyword(s):  
Photocatalytic Activity ◽  
Charge Transfer ◽  
Conjugated Polymers ◽  
Hydrogen Evolution ◽  
Conjugated Polymer ◽  
Apparent Quantum Yield ◽  
High Hydrogen ◽  
Photocatalytic Hydrogen Evolution ◽  
Efficient Charge ◽  
Donor Acceptor

A library of 237 organic binary/ternary nanohybrids consisting of conjugated polymers donors and both fullerene and non-fullerene molecular acceptors was prepared and screened for sacrificial photocatalytic hydrogen evolution. These donor-acceptor nanohybrids (DANHs) showed significantly enhanced hydrogen evolution rates compared with the parent donor or acceptor compounds. DANHs of <a></a><a>a polycarbazole</a>-based donor combined with a methanofullerene acceptor (PCDTBT/PC<sub>60</sub>BM) showed a high hydrogen evolution rate of 105.2 mmol g<sup>-1</sup> h<sup>-1</sup> under visible light (λ > 420 nm). This DANH photocatalyst produced 5.9 times more hydrogen than a sulfone-containing polymer (P10) under the same conditions, which is one of the most efficient organic photocatalysts reported so far. An apparent quantum yield of hydrogen evolution of 3.0 % at 595 nm was measured for this DANH. The photocatalytic activity of the DANHs, which in optimized cases reached 179.0 mmol g<sup>-1</sup> h<sup>-1</sup>, is attributed to efficient charge transfer at the polymer donor/molecular acceptor interface. We also show that ternary donor<sub>A</sub>-donor<sub>B</sub>-acceptor nanohybrids can give higher activities than binary donor-acceptor hybrids in some cases.

scholarly journals TiO2-Coated ZnO Nanowire Arrays: A Photocatalyst with Enhanced Chemical Corrosion Resistance

Catalysts ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 1289
Author(s):  
Lan Gao ◽  
Elyes Nefzaoui ◽  
Frédéric Marty ◽  
Mazen Erfan ◽  
Stéphane Bastide ◽  
...  
Keyword(s):  
Chemical Stability ◽  
Large Scale ◽  
Organic Dyes ◽  
Synthesis Method ◽  
Atomic Layer ◽  
Strong Acid ◽  
Tio2 Coating ◽  
High Chemical ◽  
Chemical Corrosion ◽  
High Chemical Stability

Photocatalysis is proven to be the most efficient and environmentally friendly method for the degradation of organic pollutants in water purification. To meet the requirement of large-scale water treatment, there are two important points: One is the lifetime and chemical stability of the photocatalyst material, especially in the complex and harsh aqueous conditions. The other is the ease of synthesis of such photocatalysts with specific nano-morphology. In this work, two common photocatalyst materials, zinc oxide (ZnO) and titanium dioxide (TiO2), are selected to form more sustainable photocatalysts with high chemical stability. This involves the combination of both TiO2 and ZnO in a two-step simple synthesis method. It appears advantageous to exploit the conformal deposition of atomic layer deposition (ALD) to achieve nanometer-thick TiO2 coating on ZnO nanowires (NWs) with a high aspect ratio, which are firmly anchored to a substrate and exhibit a large specific surface area. The high chemical stability of the ALD TiO2 coating has been investigated in detail and proven to be effective under both strong acid and strong alkaline aqueous solutions. In addition, photocatalysis experiments with organic dyes show that via this simple two-step synthesis method, the produced ZnO/TiO2 tandem does indeed exhibit improved chemical stability in a harsh environment, while allowing efficient photodegradation.

Fabrication of selective interface of ZnO/CdS heterostructures for more efficient photocatalytic hydrogen evolution

2018 ◽  
Vol 47 (35) ◽  
pp. 12162-12171 ◽  
Author(s):  
Xinlong Ma ◽  
Fei Zhao ◽  
Qinping Qiang ◽  
Tongyao Liu ◽  
Yuhua Wang
Keyword(s):  
Photocatalytic Activity ◽  
Hydrogen Evolution ◽  
Photocatalytic Hydrogen Evolution

Selective interface in ZnO/CdS heterostructure promote the photocatalytic activity.

Hydrogenated ZnIn2S4 microspheres: boosting photocatalytic hydrogen evolution by sulfur vacancy engineering and mechanism insight

2019 ◽  
Vol 21 (45) ◽  
pp. 25484-25494 ◽  
Author(s):  
Yanze Wang ◽  
Da Chen ◽  
Laishun Qin ◽  
Junhui Liang ◽  
Yuexiang Huang
Keyword(s):  
Photocatalytic Activity ◽  
Hydrogen Evolution ◽  
Sulfur Vacancy ◽  
Photocatalytic Hydrogen Evolution

The correlation between hydrogenation-induced surface sulfur vacancies and photocatalytic activity of hydrogenated ZnIn2S4 is tentatively proposed in this work.

Sign in / Sign up

Export Citation Format

Share Document