Journal ArticleDOI
Controlling the crystallite size and influence of the film thickness on the optical and electrical characteristics of nanocrystalline Cu2S films
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TLDR
In this paper, the surface morphology of the deposited Cu 2 S nanocrystalline films was studied using both the scanning electron microscopy (SEM) and the atomic force microscopy(AFM).About:
This article is published in Materials Research Bulletin.The article was published on 2012-02-01. It has received 28 citations till now. The article focuses on the topics: Nanocrystalline material & Heterojunction.read more
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Anodic Cu2S and CuS nanorod and nanowall arrays: preparation, properties and application in CO2 photoreduction
TL;DR: A weak, but nevertheless promising and previously unnoticed, photocatalytic action in copper sulfide nanorod and platelet arrays for the sunlight-driven conversion of CO₂ into CH₄ is observed.
Journal ArticleDOI
Spectrophotometric method for optical band gap and electronic transitions determination of semiconductor materials
Nicola Sangiorgi,Nicola Sangiorgi,L. Aversa,Roberta Tatti,Roberto Verucchi,Alessandra Sanson +5 more
TL;DR: In this article, the authors developed a graphical method for electronic transitions and band gap energy determination for samples in powder form, which can be used to evaluate the nature of electronic transition that occurs in a semiconductor material.
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Effects of indium doping on the crystallographic, morphological, electrical, and optical properties of highly crystalline ZnO films
TL;DR: In this article, the growth and characterization of a batch of indium doped zinc oxide films to explore controllable n-type doping in ZnO with high crystalline quality for the optoelectronic device application was reported.
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Effect of the stoichiometry of CuxS thin films on the optical and electrical properties and the solar thermal performance
Ana Cuevas,R. Romero,Dietmar Leinen,Enrique A. Dalchiele,J.R. Ramos-Barrado,Francisco Martín +5 more
TL;DR: In this article, the effects of the Cu x S stoichiometry, 1 ≤ x ≤ 2, on optical, electrical, and solar thermal properties of copper sulphide thin films, which have been deposited by chemical spray pyrolysis onto glass, have been studied.
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Tunable macro–mesoporous ZnO nanostructures for highly sensitive ethanol and acetone gas sensors
Hua Wen Huang,Jing Liu,Guangfu He,Peng Yao,Min Wu,Wei Hong Zheng,Li-Hua Chen,Yu Li,Bao-Lian Su,Bao-Lian Su,Bao-Lian Su +10 more
TL;DR: In this paper, a tunable macro-mesoporous ZnO (M/m-ZnO) nanostructures with a wurtzite hexagonal structure have been successfully synthesized using polymer colloids as a hard template and 20-40 nm ZnOs nanoparticles as a precursor via controlling the ratios of colloids and ZnOn nanoparticles.
References
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Phthalocyanines: old dyes, new materials. Putting color in nanotechnology
TL;DR: WhyPhthalocyanines are versatile building blocks for fabricating materials at the nanometer scale and are targets for different scientific purposes and technological applications is described.
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Preparation of CuO nanoparticles by microwave irradiation
TL;DR: In this paper, as-prepared CuO nanoparticles with an average size of ca. 4nm have been successfully prepared by microwave irradiation, using copper (II) acetate and sodium hydroxide as the starting materials and ethanol as the solvent.
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Preparation of copper oxide thin film by the sol-gel-like dip technique and study of their structural and optical properties
TL;DR: In this article, the optical direct band gap energies for Cu2O and CuO films calculated from optical absorption measurements are 2.10 and 1.90 eV, respectively, which are quite comparable with the reported values.
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Copper oxide thin films prepared by chemical vapor deposition from copper dipivaloylmethanate
TL;DR: In this paper, a series of characterizations on the film quality by scanning electron microscope, X-ray photoelectron spectroscopy, Xray diffraction and Fourier transform infrared spectrometer has been made, and the performance of solar thermal conversion are also identified on the produced films.