[HTML][HTML] Point defects, compositional fluctuations, and secondary phases in non-stoichiometric kesterites
The efficiency of kesterite-based solar cells is limited by various non-ideal recombination
paths, amongst others by a high density of defect states and by the presence of binary or …
paths, amongst others by a high density of defect states and by the presence of binary or …
Phonon Raman spectroscopy of nanocrystalline multinary chalcogenides as a probe of complex lattice structures
Abstract Ternary (I–III–VI) and quaternary (I–II–IV–VI) metal-chalcogenides like CuInS 2 or
Cu 2 ZnSn (S, Se) 4 are among the materials currently most intensively investigated for …
Cu 2 ZnSn (S, Se) 4 are among the materials currently most intensively investigated for …
Structural Polymorphism in “Kesterite” Cu2ZnSnS4: Raman Spectroscopy and First-Principles Calculations Analysis
M Dimitrievska, F Boero, AP Litvinchuk… - Inorganic …, 2017 - ACS Publications
This work presents a comprehensive analysis of the structural and vibrational properties of
the kesterite Cu2ZnSnS4 (CZTS, I 4̅ space group) as well as its polymorphs with the space …
the kesterite Cu2ZnSnS4 (CZTS, I 4̅ space group) as well as its polymorphs with the space …
Raman and X-ray Photoemission Identification of Colloidal Metal Sulfides as Potential Secondary Phases in Nanocrystalline Cu2ZnSnS4 Photovoltaic Absorbers
The aim of this study is to establish reliable spectroscopic fingerprints of compounds that
may form as secondary phases in Cu2ZnSnS4 (CZTS) nanocrystals (NCs) synthesized by …
may form as secondary phases in Cu2ZnSnS4 (CZTS) nanocrystals (NCs) synthesized by …
Anisotropies of angle-resolved polarized Raman response identifying in low miller index β-Ga2O3 single crystal
Beta-phase gallium oxide (β-Ga 2 O 3) with a monoclinic lattice structure is a research
hotspot in the field of ultra-wide bandgap semiconductors in the world and displays …
hotspot in the field of ultra-wide bandgap semiconductors in the world and displays …
Phonon spectra of strongly luminescent nonstoichiometric Ag–In–S, Cu–In–S, and Hg–In–S nanocrystals of small size
We present a detailed analysis of Raman and infrared (IR) phonon spectra of strongly
luminescent nonstoichiometric M–In–S (M= Cu, Ag, Hg) and core/shell M–In-S/ZnS …
luminescent nonstoichiometric M–In–S (M= Cu, Ag, Hg) and core/shell M–In-S/ZnS …
[HTML][HTML] Combinatorial and machine learning approaches for the analysis of Cu 2 ZnGeSe 4: influence of the off-stoichiometry on defect formation and solar cell …
Solar cells based on quaternary kesterite compounds like Cu2ZnGeSe4 are complex
systems where the variation of one parameter can result in changes in the whole system …
systems where the variation of one parameter can result in changes in the whole system …
Multiwavelength excitation Raman scattering of Cu2ZnSn1-xGex (S, Se) 4 single crystals for earth abundant photovoltaic applications
E Garcia-Llamas, M Guc, IV Bodnar, X Fontané… - Journal of Alloys and …, 2017 - Elsevier
Raman spectroscopy was used to evaluate the zone-center optical phonons of Cu 2 ZnSn 1-
x Ge x (S, Se) 4 single crystals, leading to a complete characterization of their vibrational …
x Ge x (S, Se) 4 single crystals, leading to a complete characterization of their vibrational …
[HTML][HTML] Optical properties of quaternary kesterite-type Cu 2 Zn (Sn 1− x Ge x) S 4 crystalline alloys: Raman scattering, photoluminescence and first-principle …
The transformation of the vibrational spectrum of Cu2Zn (Sn1− xGex) S4 single crystals over
the entire composition range (0≤ x≤ 1) is studied experimentally by low-temperature …
the entire composition range (0≤ x≤ 1) is studied experimentally by low-temperature …
[HTML][HTML] Raman and X-ray photoelectron spectroscopic study of aqueous thiol-capped Ag-Zn-Sn-S nanocrystals
The synthesis of (Cu, Ag)-Zn-Sn-S (CAZTS) and Ag-Zn-Sn-S (AZTS) nanocrystals (NCs) by
means of “green” chemistry in aqueous solution and their detailed characterization by …
means of “green” chemistry in aqueous solution and their detailed characterization by …