Results 181 to 190 of about 2,636 (227)

Evolution of sprayed Cu2ZnSnS4

Materials Science in Semiconductor Processing, 2014
Abstract Cu 2 ZnSnS 4 (CZTS) thin films have been prepared using a Spray pyrolysis technique. The evolution of CZTS, followed by an increase in thiourea concentrations [S] from 0.04 to 0.07 M, is investigated. EDX analysis exhibits a drastic increase of sulfur amount as the thiourea concentration increases.
Zeineb Seboui, Abdelaziz Gassoumi, Najoua Kamoun-Turki   +2 more
openaire   +1 more source

Shallow defects in Cu2ZnSnS4

Physica B: Condensed Matter, 2009
Cu 2 SnZnS 4 is a promising candidate for thin film solar cells with absorbers made of non-toxic and abundant elements. So far very little effort has been put into understanding the basic material properties. We investigate vapour phase grown Cu 2 SnZnS 4 crystals by temperature and intensity dependent photoluminescence measurements.
Hönes, Katja, Zscherpel, Elisabeth, Scragg, Jonathan J., SIEBENTRITT, Susanne   +3 more
openaire   +2 more sources

Preparations of Cu2ZnSnS4 thin films and Cu2ZnSnS4/Si heterojunctions on silicon substrates by sputtering

Optik, 2016
Abstract The single-crystalline silicon substrate has close lattice constant with Cu 2 ZnSnS 4 (CZTS), which is beneficial to the crystalline growth of CZTS thin films. In this work, the CZTS thin films were deposited on silicon substrates by sputtering and post-sulfurization to form CZTS/Si heterojunctions.
Jiaxiong Xu, Yuanzheng Yang, Zhongming Cao, Zhiwei Xie   +3 more
openaire   +1 more source

Facile synthesis of Cu2ZnSnS4 nanocrystals

CrystEngComm, 2011
A facile, greener and inexpensive method was developed to synthesize high quality quarternary Cu2ZnSnS4 (CZTS) nanocrystals at temperature lower than 220 °C, in which Cu2ZnSn(S2CNEt2)10, oleylamine and oleic acid were used as the precursor, activation agent and capping agent, respectively.
Chao Zou, Lijie Zhang, Deshang Lin, Yun Yang, Qiang Li, Xiangju Xu, Xi'an Chen, Shaoming Huang   +7 more
openaire   +1 more source

Electrodeposition of thin Cu2ZnSnS4 films

Russian Journal of Electrochemistry, 2017
The electrochemical behavior of copper(II), zinc(II), and thiosulfate (S2O3 2-) ions on the molybdenum electrode in individual 0.2 М sodium sulfate solutions (рН 6.7) and with addition of either 0.1 М tartaric acid (рН 4.6) or 0.1 М citric acid (рН 4.7) is studied.
M. B. Dergacheva, K. A. Urazov, A. E. Nurtazina   +2 more
openaire   +1 more source

Sprayed films of stannite Cu2ZnSnS4

Applied Surface Science, 1996
Abstract A stoichiometric Cu2ZnSnS4 film with the stannite structure and resistivity of 2 × 10 2 Ω · cm has been prepared by annealing polycrystalline quaternary films at 550°C, which are spray-deposited on glass substrates, in an argon gas flow containing H2S.
Norio Nakayama, Kentaro Ito
openaire   +1 more source

Microphotoluminescence study of Cu2ZnSnS4 polycrystals

Journal of Photonics for Energy, 2013
Microphotoluminescence studies of Cu 2 ZnSnS 4 polycrystals were performed. At room temperature, two photoluminescence (PL) bands were detected at 1.39 and 1.53 eV and attributed to band-to-tail (BT) and band-to-band (BB) recombination, respectively. At lower temperatures, band-to-impurity recombination always dominates.
Maarja Grossberg, Pille Salu, Jaan Raudoja, Jüri Krustok   +3 more
openaire   +1 more source

Improvement of Mo/Cu2ZnSnS4 interface for Cu2ZnSnS4 (CZTS) thin film solar cell application

MRS Proceedings, 2014
ABSTRACTThe focus of this work is on back contact improvement for sputtered CZTS thin film solar cells. Three methods have been investigated including a thin Ag coating, a thin ZnO coating on the Mo back contact and rapid thermal annealing of the back contact.
Hongtao Cui, Xiaolei Liu, Xiaojing Hao, Fangyang Liu, Ning Song, Wei Li, Chang Yan, Gavin Conibeer, Martin Green   +8 more
openaire   +1 more source

Synthesis and characterization of Cu2ZnSnS4 nanoparticles

Nanomaterials and Energy, 2015
Copper zinc tin sulfide (Cu2ZnSnS4 or CZTS) is a p-type semiconducting material with high absorption coefficient (104 cm−1) and a band gap of ~1·5 eV. Most of its constituents are earth abundant and are environmentally benign. Therefore, in this work, the authors investigated structural and optical properties of CZTS nanoparticles synthesized by ...
Annapoornam Ganesan Kannan, Thirumalaisamy Esvaramoorthy Manjulavalli   +1 more
openaire   +1 more source

Wurtzite Cu2ZnSnS4 nanocrystals: a novel quaternary semiconductor

Chemical Communications, 2011
A new wurtzite phase Cu(2)ZnSnS(4) was discovered and the corresponding nanocrystals have been successfully synthesized. They have been characterized in detail and showed the photoelectric response, which demonstrated their potential in the application of photovoltaic devices.
Xiaotang, Lu, Zhongbin, Zhuang, Qing, Peng, Yadong, Li   +3 more
openaire   +2 more sources