Preparation and Analysis of Cu2O Thin-Film Solar Cells

Herion, J.; Natsch, B.; Niekisch, E. A.; Scharl, G.

doi:10.1007/978-94-009-9487-4_106

2nd E.C. Photovoltaic Solar Energy Conference 1979

DOI: 10.1007/978-94-009-9487-4_106

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Preparation and Analysis of Cu2O Thin-Film Solar Cells

J. Herion¹,

B. Natsch²,

E. A. Niekisch³

et al.

Abstract: Solar thin film battery has been dominated in the market with a safe, reliable, pollution-free and long life. Cu2O photoelectric thin film battery has been given more attention due to the advantages of the low price, abundant reserves and good photoelectric effect, Cu2O is a p-type semiconductor with a band gap of 1.9eV-2.38eV. At present, the Cu2O thin films are prepared by low cost methods such as thermal evaporation, sputtering, chemical vapor deposition and electrochemical deposition. According to the res… Show more

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“…For instance, Cu2O coupled with ZnO was reported to be unstable [11], while Cu2O/TiO2 junctions are relatively stable [12,13].…”

mentioning

confidence: 99%

Enhanced Photoelectrochemical Properties of Cu2O-loaded Short TiO2 Nanotube Array Electrode Prepared by Sonoelectrochemical Deposition

Liu

Zhou

et al. 2010

Nano-Micro Lett.

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Copper and titanium remain relatively plentiful in earth crust. Therefore, using them in solar energy conversion technologies are of significant interest. In this work, cuprous oxide (Cu2O)-modified short TiO2 nanotube array electrode was prepared based on the following two design ideas: first, the short titania nanotubes obtained from sonoelectrochemical anodization possess excellent charge separation and transportation properties as well as desirable mechanical stability; second, the sonoelectrochemical deposition technique favours the improvement in the combination between Cu2O and TiO2 nanotubes, and favours the dispersion of Cu2O particles. UV-Vis absorption and photo-electronchemical measurements proved that the Cu2O coating extended the visible spectrum absorption and the solar spectrum-induced photocurrent response. Under AM1.5 irradiation, the photocurrent density of the composite electrode (i.e. sonoelectrochemical deposition for 5 min) was more than 4.75 times as high as the pure nanotube electrode. Comparing the photoactivity of the Cu2O/TiO2 electrode obtained using sonoelectrochemical deposition with others that synthesized using plain electrochemical deposition, the photocurrent density of the former electrode was ~2.2 times higher than that of the latter when biased at Cuprous oxide (Cu2O) is a semiconductor having a direct band gap of 2.0 eV, which has been studied previously for application in solar energy converting devices [9]. A major attraction of Cu2O is that it is an inexpensive, non-toxic and readily available material. However, semiconductor materials with band gap suitable for capturing a significant fraction of incident solar

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“…For instance, Cu2O coupled with ZnO was reported to be unstable [11], while Cu2O/TiO2 junctions are relatively stable [12,13].…”

mentioning

confidence: 99%

Enhanced Photoelectrochemical Properties of Cu2O-loaded Short TiO2 Nanotube Array Electrode Prepared by Sonoelectrochemical Deposition

Liu

Zhou

et al. 2010

Nano-Micro Lett.

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show abstract

Production of cuprous oxide, a solar cell material, by thermal oxidation and a study of its physical and electrical properties

Musa

Akomolafe

Carter

1998

Solar Energy Materials and Solar Cells

595

315

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Direct existence to suggest activity of copper ions surface diffusion on nanowire in growth process

et al. 2019

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As regards the copper oxide nanowire growth process, our experiment was consistent with the proposal of copper ions surface diffusion on a nanowire. Simply in the atmospheric pressure it is possible to synthesize CuO nanowires by annealing a copper sheet. Under a general copper oxide nanowires occurring condition, pouring the flow rate of a slight amount of air into an enclosed electric furnace in the atmospheric pressure, copper oxide nanowires adhering copper particles were synthesized on copper sheet successfully. In the growth process of the CuO wire, when the Cu substrate was heated in the air, stresses caused grain boundaries of Cu2O and CuO layers in the Cu substrate. Ultimately Cu ions formed a wire tip diffusing on the surface of a CuO wire in the vertical direction to the top surface of the CuO layer, while assembling to the tip. In this report, we describe characteristics of the structure of the CuO nanowire obtained by lowering the air flow rate.

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Preparation and Analysis of Cu2O Thin-Film Solar Cells

Cited by 3 publications

References 3 publications

Enhanced Photoelectrochemical Properties of Cu2O-loaded Short TiO2 Nanotube Array Electrode Prepared by Sonoelectrochemical Deposition

Enhanced Photoelectrochemical Properties of Cu2O-loaded Short TiO2 Nanotube Array Electrode Prepared by Sonoelectrochemical Deposition

Production of cuprous oxide, a solar cell material, by thermal oxidation and a study of its physical and electrical properties

Direct existence to suggest activity of copper ions surface diffusion on nanowire in growth process

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