Sulfur content standards for solar cells
Finally, by tuning the sulfur mole fraction in buffer and absorber layers, we presented a solar cell with an Sb 2 (S 0.2 Se 0.8) 3 /ZnO 0.4 S 0.6 heterojunction structure that exhibited a high efficiency of 15.65%, which was a …
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Efficient Sb2(S,Se)3/Zn (O,S) solar cells with high open-circuit voltage by controlling sulfur content …
Finally, by tuning the sulfur mole fraction in buffer and absorber layers, we presented a solar cell with an Sb 2 (S 0.2 Se 0.8) 3 /ZnO 0.4 S 0.6 heterojunction structure that exhibited a high efficiency of 15.65%, which was a …
Steep sulfur gradient in CZTSSe solar cells by H2S-assisted rapid surface sulfur…
Steep sulfur gradient in CZTSSe solar cells by H2S- assisted rapid surface sulfurization† Teoman Taskesen, *a Devendra Pareek, a Dirk Hauschild, bcd Alan Haertel,bc Lothar Weinhardt, bcd Wanli Yang, e Timo Pfeiffelmann,a David Nowak,a Clemens Heske bcd and Levent G¨utay a ...
Sulfur contributes to stable and efficient carbon-based perovskite …
The power conversion efficiency (PCE) of perovskite solar cells (PSCs) is already higher than those of other thin-film photovoltaic technologies, but the stability …
Steep sulfur gradient in CZTSSe solar cells by H 2 S-assisted …
Sulfur/selenium grading is a widely used optimization strategy in kesterite thin-film solar cells to obtain a bandgap-graded absorber material and to optimize optical and electrical …
Influence of precursor sulfur content on film formation and compositional changes in Cu2ZnSnS4 films and solar cells …
In most cases, as-deposited films are post-annealed in sulfur or selenium containing atmospheres to reach the desired sulfur or selenium content and to improve the film quality. The highest efficiencies reported to date [1], [13] were obtained by depositing precursor films already containing sulfur or selenium, followed by post-annealing.
Recent progress on non-fullerene acceptor materials for organic …
Organic solar cells, as an emerging clean energy technology, have received widespread favor from researchers due to their advantages such as flexibility, light weight, solution …
Interfacial Sulfur Functionalization Anchoring SnO2 and CH3NH3PbI3 for Enhanced Stability and Trap Passivation in Perovskite Solar Cells …
Trap states at the interface or in bulk perovskite materials critically influence perovskite solar cells performance and long-term stability. Here, a strategy for efficiently passivating charge traps and mitigating interfacial recombination by SnO 2 surface sulfur functionalization is reported, which utilizes xanthate decomposition on the SnO 2 …
Sulfur passivation and contact methods for GaAs nanowire solar cells
Sulfur passivation and contact methods for GaAs nanowire solar cells N Tajik 1, Z Peng 1, P Kuyanov 1 and R R LaPierre Published 1 April 2011 • IOP Publishing Ltd Nanotechnology, Volume 22, Number 22 Citation N Tajik et …
Antagonistic effects in structural design of sulfur-based polyimides as shielding layers for solar cells …
New sulfur-containing polyimides were prepared from the same diamine and distinct dianhydrides for solar cell purposes. The balance between thermal stability, refractive index and optical transparency was optimized by combining in the same molecule alicyclic or fluorinated chemical sequences together with aromatic units and sulfide …
Influence of sulfur partial pressure on the structural performance of Cu2ZnSnS4 solar cells …
1. Introduction The efficiency of thin-film solar cells continues to achieve breakthroughs, of which the efficiency of Cu(In x Ga 1-x)Se 2 (CIGS) cells batteries has exceeded 22%, but the scarcity of indium and gallium used in it has limited its industrial application. Cu 2 ZnSnS 4 (CZTS) thin-film solar cells are a promising alternative to …
Prebaking of an SnS source with sulfur for achieving higher photovoltaic performance in VTD-SnS thin films for solar cells
Given its preeminent photovoltaic properties, tin sulfide (SnS) has attracted remarkable interest and has been explored as an absorber for thin-film solar cells in the last few decades. However, the power conversion efficiency (PCE) of SnS-based solar cells is typically below 4%. The deficit in open circuit
A highly efficient colourless sulfur/iodide-based hybrid electrolyte for dye-sensitized solar cells …
A new kind of hybrid electrolyte with S2−/Sx2− and I− was invented, and the new hybrid system was demonstrated to outperform the well-known I−/I3− redox system in DSCs. An efficiency of 9.1% was achieved in our lab under AM 1.5 illumination using the dye N719, considerably higher than the efficiency of 8.0%
Cu2ZnSn (SxSe1−x)4 thin film solar cell with high sulfur content (x approximately 0.4) and low Voc deficit prepared using a postsulfurization ...
Fig. 6 a presents the external quantum efficiency (EQE) spectra of several CZTSSe solar cells; the cells labeled S13, S20, S40, and S100 had 0.13, 0.2, 0.4, and 1 sulfur content, respectively. The band gaps of the CZTSSe thin films were derived by plotting [E ln(1 − EQE)] 2 versus E as shown in Fig. 6 b, where E is the energy …
Solution processable, cross-linked sulfur polymers as solid electrolytes in dye-sensitized solar cells …
Inverse-vulcanized polymeric sulfur has been prepared and utilized for solid-state dye sensitized solar cells. A power conversion efficiency of 1.5% was recorded with a short-circuit current of 4.1 mA cm−2 and an open-circuit voltage of 0.75 V under standard AM 1.5G illumination (1000 W m−2). The results in
Cu2ZnSn (SxSe1−x)4 thin film solar cell with high sulfur content (x approximately 0.4) and low Voc deficit prepared using a postsulfurization ...
High-efficiency (11.1%) Cu 2 ZnSn(SxSe1−x) 4 (CZTSSe) solar cells have been obtained only with low-sulfur absorbers because the incorporation of high sulfur content is typically accompanied by a large open-circuit voltage (V oc) deficit this research, a sulfur ...
Fabrication of Sulfur‐incorporated Bismuth‐based Perovskites Solar Cells …
band edge of about 590 nm (2.10 eV), and the sulfur content in the MA 3 Bi 2 I 9-2 x S x fi lm almost unchanged from the results of the EDX analysis (Table S1, Supporing Information), which ...
Sulfurization induced surface constitution and its …
To obtain high photovoltaic performances for the emerging copper zinc tin sulfide/selenide (CZTSSe) thin film solar cells, much effort has deservedly been placed on CZTSSe phase purification...
Band-gap tuning of Cu2ZnSn(S,Se)4 solar cell absorbers via defined incorporation of sulphur based on a post-sulphur…
We demonstrate that based on a post-sulphurization approach the mean sulphur concentration and bandgap of Cu 2 ZnSn(S,Se) 4 (CZTSSe) solar cell absorber layers can be precisely controlled. However, X-ray diffraction and secondary ion mass spectrometry studies reveal an inhomogeneous sulphur incorporation at lower process …
Steep sulfur gradient in CZTSSe solar cells by H 2 S-assisted rapid surface sulfurization …
Sulfur/selenium grading is a widely used optimization strategy in kesterite thin-film solar cells to obtain a bandgap-graded absorber material and to optimize optical and electrical properties of the solar-cell device. In this work, we present a novel approach to introduce a [S]/([S] + [Se]) grading for Cu2ZnSn(S,S
Mixed Sulfur and Iodide-Based Lead-Free Perovskite Solar Cells …
Herein we report for the first time on the fabrication of solar cells exploiting methylammonium antimony sulfur diiodide (MASbSI 2) perovskite structures, as light …
Influence of precursor sulfur content on film formation and the properties of sulfurized Cu2ZnSnS4 thin films for solar cells
Request PDF | On Apr 1, 2014, Dae‐Ho Son and others published Influence of precursor sulfur content on film formation and the properties of sulfurized Cu2ZnSnS4 thin films for ...
Sulfur contributes to stable and efficient carbon-based perovskite solar cells …
The power conversion efficiency (PCE) of perovskite solar cells (PSCs) is already higher than those of other thin-film photovoltaic technologies, but the stability issue limits their applications. The introduction of sulfur-based …
Steep sulfur gradient in CZTSSe solar cells by H2S-assisted …
Sulfur/selenium grading is a widely used optimization strategy in kesterite thin-film solar cells to obtain a bandgap-graded absorber material and to optimize optical and electrical …
Copper-zinc-tin-sulfur-selenium thin film solar cells
Photovoltaic technology can convert inexhaustible clean solar energy into electrical energy, so its large-scale application is a significant way to realize the transformation of our energy structure. Photovoltaics have undergone more than sixty years of development, and different kinds of solar cells have emerged so far. Although silicon …
Sulfur-annealed Cu2SnS3 (CTS) thin films for solar cell …
In this study, chemical bath deposition process was used to deposit Cu2SnS3 (CTS) thin film onto stainless-steel substrate at room temperature. The investigation focused on the impact of sulfur annealing on the optoelectrical characteristics of the films, with the potential for solar cell applications. X-ray diffraction analyses …
Solution processable, cross-linked sulfur polymers as solid electrolytes in dye-sensitized solar cells …
Inverse-vulcanized polymeric sulfur has been prepared and utilized for solid-state dye sensitized solar cells. A power conversion efficiency of 1.5% was recorded with a short-circuit current of 4.1 mA cm(-2) and an open-circuit voltage of 0.75 V under standard AM 1.5G illumination (1000 W m(-2)). Th …
Effects of Chemical Valences of Sulfur on the …
Abstract. The low electrical conductivity and the high surface defect density of the TiO 2 electron transport layer (ETL) limit the quality of the following perovskite (PVK) layers and the power conversion efficiency (PCE) of …
Solution processable, cross-linked sulfur polymers as …
Abstract Inverse-vulcanized polymeric sulfur has been prepared and utilized for solid-state dye sensitized solar cells. A power conversion efficiency of 1.5% was recorded with a short-circuit current of 4.1 mA cm −2 and an …
Defect Passivation by a Sulfur-Containing Lewis Base for Efficient …
In the rapid development of perovskite solar cells (PSCs), additive engineering has played a significant role for perovskite crystallization and passivation. …
Ambient-Air Sulfurization Process for Cu2ZnSnS4 Thin Film Solar Cells: Self-Creating Inert Atmosphere Using Sulfur …
balanced with N 2. 15 These reports are mainly focused toward sulfurization temperature and time and so on, in which the optimization conditions of sulfurization have been disclosed thoroughly ...
Recent Progress in Perovskite Solar Cells Modified by Sulfur Compounds
In the past decade, organic–inorganic hybrid perovskite solar cells (PSCs) have begun to be increasingly studied worldwide owing to the superior properties of perovskite material. However, some issues have delayed their commercialization, such as their long-term ...
Ambient-Air Sulfurization Process for Cu2ZnSnS4 Thin Film Solar Cells: Self-Creating Inert Atmosphere Using Sulfur …
CZTS thin film solar cells were always prepared by conducting sulfurization. For examples, Emrani et al. have revealed the effects of sulfurization temperature on CZTS thin film and achieved an ...
The effect of sulfur on the phase formation of Cu2ZnSnS4 solar cell …
The results indicate that the secondary phases such as Cu 2 S, ZnS and SnS etc., are present as identified by XRD and Raman spectroscopy in the lower sulfur content alloys. However, the pure CZTS kesterite …
Solution processable, cross-linked sulfur polymers as solid electrolytes in dye-sensitized solar cells …
Inverse-vulcanized polymeric sulfur has been prepared and utilized for solid-state dye sensitized solar cells. A power conversion efficiency of 1.5% was recorded with a short-circuit ...
Sulfur passivation and contact methods in GaAs nanowire solar cells …
The effect of sulfur passivation on core-shell p-n junction GaAs nanowire (NW) solar cells has been investigated. Devices of two types were investigated, consisting of indium tin ...
Solution processable, cross-linked sulfur polymers as solid electrolytes in dye-sensitized solar cells …
Inverse-vulcanized polymeric sulfur has been prepared and utilized for solid-state dye sensitized solar cells. A power conversion efficiency of 1.5% was recorded with a short-circuit current of 4.1 mA cm−2 and an …
Characterization of Sulfur Bonding in CdS:O Buffer Layers for CdTe-based Thin-Film Solar Cells
On the basis of a combination of X-ray photoelectron spectroscopy and synchrotron-based X-ray emission spectroscopy, we present a detailed characterization of the chemical structure of CdS:O thin films that can be employed as a substitute for CdS layers in thin-film solar cells. It is possible to an …
Recent Progress in Perovskite Solar Cells Modified by Sulfur …
The introduction of sulfur to PSCs can relieve the above issues because sulfur can passivate interfacial trap states, suppress charge recombination, and inhibit ion migration, thereby enhancing the stability of PSCs. Furthermore, Pb S bonds provide new …