A Cu2O/TiO2 heterojunction thin film cathode for photoelectrocatalysis

Siripala, W.; Ivanovskaya, Anna; Jaramillo, Thomas F.; Baeck, Sung‐Hyeon; McFarland, Eric W.

doi:10.1016/s0927-0248(02)00343-4

Cited by 434 publications

(254 citation statements)

References 16 publications

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“…In a subsequent paper [73], based on these data, we predicted several suitable substrates, such as ZrO 2 , SnO 2 and Cu 2 O for decreasing the bandgap of TiO 2 -thin films. Many of these thin film combinations were realized in the meantime, which confirm the advantages of photo catalytic band gap engineering and the improvement of properties [74][75][76] without citing the source of this idea [73].…”

Section: Tio 2 /Srtio 3 and Tio 2 /Al 2 O 3 Interfaces: Strain Enginementioning

confidence: 95%

The Atomistic Structure of Metal/Ceramic Interfaces Is the Key Issue for Developing Better Properties

Wunderlich

2014

Metals

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Metal-metal-, ceramic-metal-composites (MMC, CMC) and related functional materials are steadily gaining interest for practical applications. This invited overview paper is divided into three parts. First, the importance of interfaces in material science is emphasized, then basics of computer modeling of interfaces on atomic scale is outlined, followed by the description of some interface examples and their applications. Atomistic modeling requires the specific determination of the orientation relationship between both crystal lattices facing the heterogeneous interface, the interface plane, and translation vectors of two facing crystals. Examples of the atomistic structure are described in this paper for interfaces, such as MgO/Ag, MgO/TiN, Al 2 O 3 /Fe, and others. The trend in this research is gradually, but steadily shifting from structural towards functional materials, because atomic binding at interfaces offers a broad spectrum of new properties to be utilized for applications.

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Section: Tio 2 /Srtio 3 and Tio 2 /Al 2 O 3 Interfaces: Strain Enginementioning

confidence: 95%

The Atomistic Structure of Metal/Ceramic Interfaces Is the Key Issue for Developing Better Properties

Wunderlich

2014

Metals

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“…For the first time, a Cu2O/TiO2 heterojunction system without the presence of other forms of copper was prepared by electrochemical deposition of Cu2O on Ti foil by Siripala et al as a thin film heterojunction photocathode [93]. They observed a photoresponce demonstrating efficient light-induced charge carriers' separation at Cu2O-TiO2 junction.…”

Section: Cu2o-tio2 Heterojunctionmentioning

confidence: 99%

On the Origin of Enhanced Photocatalytic Activity of Copper-Modified Titania in the Oxidative Reaction Systems

2017

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Modification of titania with copper is a promising way to enhance the photocatalytic performance of TiO 2 . The enhancement means the significant retardation of charge carriers' recombination ratio and the introduction of visible light activity. This review focuses on two main ways of performance enhancement by copper species-i.e., originated from plasmonic properties of zero-valent copper (plasmonic photocatalysis) and heterojunctions between semiconductors (titania and copper oxides). The photocatalytic performance of copper-modified titania is discussed for oxidative reaction systems due to their importance for prospective applications in environmental purification. The review consists of the correlation between copper species and corresponding variants of photocatalytic mechanisms including novel systems of cascade heterojunctions. The problem of stability of copper species on titania, and the methods of its improvement are also discussed as important factors for future applications. As a new trend in the preparation of copper-modified titania photocatalyst, the role of particle morphology (faceted particles, core-shell structures) is also described. Finally, in the conclusion section, perspectives, challenges and recommendations for future research on copper-modified titania are formulated.

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“…Copper and copper oxides [11][12][13][14][15][16][17][18][19] are the most known widely known p-type semiconductor used for CO 2 reduction, but these suffer from a lack of stability. From this some groups have presented the combination of metals and oxides for robust materials.…”

Section: Introductionmentioning

confidence: 99%

A New Si/TiO2/Pt p-n Junction Semiconductor to Demonstrate Photoelectrochemical CO2 Conversion

Guaraldo

Brito

Wood

et al. 2015

Electrochimica Acta

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A Cu2O/TiO2 heterojunction thin film cathode for photoelectrocatalysis

Cited by 434 publications

References 16 publications

The Atomistic Structure of Metal/Ceramic Interfaces Is the Key Issue for Developing Better Properties

The Atomistic Structure of Metal/Ceramic Interfaces Is the Key Issue for Developing Better Properties

On the Origin of Enhanced Photocatalytic Activity of Copper-Modified Titania in the Oxidative Reaction Systems

A New Si/TiO2/Pt p-n Junction Semiconductor to Demonstrate Photoelectrochemical CO2 Conversion

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