The influence of Ge substitution and H2S annealing on Cu2ZnSnS4 thin films
Source abstract
Abstract
Abstract Cu2Zn(Sn1-xGex)S4 thin films (where x = 0, 0.25, 0.50, 0.75, and 1) were deposited by spin coating technique and annealed under 30 and 40 ccm H2S:Ar (1:9) flows to understand the influence of Ge atom content ratio and H2S flow rate during the annealing of thin films on morphological, structural and optical properties of Cu2Zn(Sn1-x Gex)S4 thin films. It was seen that the Ge content has a strong influence on the structural and optical properties of the films. The crystal size of the films decreased sharply for Cu2Zn(Sn0.75Ge0.25)S4 thin film and started to increase slowly owing to the formation of high dislocation density and strain in the structures. The Raman spectra show the formation of kesterite thin films and blue Raman shift with Ge substitution to the content. The films obtained under 40 ccm H2S:Ar (1:9) flows have weak secondary peaks associated with ZnS formation. The UV–Vis data showed the increase of optical bandgap from 1.52 to 2.05 eV with a rise in Ge ratio in the structures.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties · Copper-based nanomaterials and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (42)
Show source-provided references
1. Dyatlov · 2020
2. Current challenges and future prospects for a highly efficient (> 20%) kesterite CZTS solar cell: a review10.1016/j.solmat.2019.03.001 ↗
3. Investigation of Mo films deposited on high temperature polyimide substrate by magnetron sputtering for flexible CIGS thin film solar cells application10.1063/1.5096867 ↗
4. Weatherability of Cu2ZnSnSe4 thin film solar cells on diverse substrates10.1016/j.solener.2019.11.089 ↗
5. Earth-abundant CZTSSe thin film solar cells on flexible stainless steel foil substrates
6. Cadmium free Cu2ZnSnS4 solar cells with 9.7% efficiency10.1002/aenm.201900439 ↗
7. Solar cells fabricated by spray pyrolysis deposited Cu2CdSnS4 thin films10.1016/j.renene.2019.07.057 ↗
8. Germanium incorporation in Cu2ZnSnS4 and formation of a Sn–Ge gradient
9. Profound optical analysis for novel amorphous Cu2FeSnS4 thin films as an absorber layer for thin film solar cells10.1016/j.ceramint.2020.04.195 ↗
10. Effect of Na doping on the performance and the band alignment of CZTS/CdS thin film solar cell10.1016/j.solener.2020.02.088 ↗
11. Rapid microwave synthesis of Cu2ZnSnS4 nanocrystals for photovoltaic junctions10.1002/er.4256 ↗
12. Thermal sulfurization effect on sprayed CZTS thin films properties and CZTS/CdS solar cells performances10.1088/2053-1591/aaa6e5 ↗
13. Co-sputtered Cu2ZnTi(S:Se)4 absorbers for thin film solar cells10.1016/j.renene.2019.07.086 ↗
14. Annealing temperature dependence of properties of Cu2ZnSnS4 thin films prepared by sol–gel sulfurization method10.1143/JJAP.50.05FB08 ↗
15. The effect of annealing temperature on Cu2ZnGeSe4 thin films and solar cells grown on transparent substrates10.1088/2515-7639/abfa7b ↗
16. Large efficiency improvement in Cu2ZnSnSe4 solar cells by introducing a superficial Ge nanolayer10.1002/aenm.201501070 ↗
17. Doping and alloying of kesterites10.1088/2515-7655/ab23bc ↗
18. Effect of Na and the back contact on Cu2Zn(Sn,Ge)Se4 thin-film solar cells: towards semi-transparent solar cells10.1016/j.solener.2020.06.044 ↗
19. The path towards efficient wide band gap thin-film kesterite solar cells with transparent back contact for viable tandem application10.1016/j.solmat.2020.110824 ↗
20. Photocathode characteristics of a spray-deposited Cu2ZnGeS4 thin film for CO2 reduction in a CO2-saturated aqueous solution10.1021/acsaem.9b01418 ↗
21. Cu content dependence of morphological, structural and optical properties for Cu2ZnGeS4 thin films synthesized by sulfurization of sputtered precursors10.1016/j.matlet.2015.05.170 ↗
22. Growth and characterization of Cu2ZnGeSe4 thin films by selenization of multiple stacks (Cu/Se/ZnSe/Se/Ge/Se) in high vacuum10.1016/j.vacuum.2016.06.020 ↗
23. Facile synthesis of Cu2ZnGeS4 thin films from binary metal sulfides and study of their physical properties10.1016/j.tsf.2019.02.049 ↗
24. Aqueous based reflux method for green synthesis of nanostructures: application in CZTS synthesis10.1016/j.mex.2015.12.003 ↗
25. Non-vacuum processed Cu2ZnSnS4 thin films: influence of copper precursor on structural, optical and morphological properties10.1016/j.jallcom.2014.05.140 ↗
26. Facile synthesis of Cu2ZnGeS4 thin films from binary metal sulfides and study of their physical properties10.1016/j.tsf.2019.02.049 ↗
27. Synthesis of Wurtzite Cu2ZnGeSe4 nanocrystals and their thermoelectric properties, Chem10.1002/asia.201300425 ↗
28. High‐efficiency Cu2ZnSn(S,Se)4 solar cells fabricated through a low‐cost solution process and a two‐step heat treatment10.1002/pip.2810 ↗
29. Phase-selective hydrothermal synthesis of Cu2ZnSnS4 nanocrystals: the effect of the sulphur precursor10.1039/C3CE42606H ↗
30. Modification of electrical and optical properties of CuO thin films by Ni doping10.1007/s10971-015-3953-4 ↗
31. Simple preparation and characterization of nano-crystalline zinc oxide thin films by sol-gel method on glass substrate10.4236/wjcmp.2012.21002 ↗
32. Sn-rich CZTS films spin-coated from methanol-based sol-gel solution: annealing effect on microstructure and optoelectronic properties
33. Solvothermal synthesis of CZTS nanoparticles in ethanol: preparation and characterization10.3938/jkps.66.1511 ↗
34. Multiwavelength excitation Raman scattering study of polycrystalline kesterite Cu2ZnSnS4 thin films10.1063/1.4861593 ↗
35. Band gap engineering of alloyed Cu2ZnGexSn1–xQ4 (Q= S, Se) films for solar cell10.1021/jp510877g ↗
36. Secondary phases and temperature effect on the synthesis and sulfurization of CZTS10.1016/j.solener.2018.07.085 ↗
37. Hybrid mesoporous Cu2ZnSnS4 (CZTS)–TiO2 photocatalyst for efficient photocatalytic conversion of CO 2 into CH 4 under solar irradiation10.1039/C6RA02763F ↗
38. Precursor ratio optimizations for the synthesis of colloidal CZTS nanoparticles for photocatalytic degradation of malachite green10.1016/j.jpcs.2017.10.045 ↗
39. L-cystine-assisted synthesis of Cu2ZnGeS4 nanocrystal powder via solvothermal process10.1016/j.matlet.2015.10.065 ↗
40. Investigating the effect of sulphurization on volatility of compositions in Cu-poor and Sn-rich CZTS thin films10.1016/j.apsusc.2019.145043 ↗
41. Electrical and optical properties of Cu2ZnSnS4 grown by a thermal co-evaporation method and its diode application10.1016/j.mssp.2014.07.006 ↗
42. Assessing the defect tolerance of kesterite-inspired solar absorbers10.1039/D0EE02177F ↗