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High efficiency low-temperature processed perovskite solar cells integrated with alkali …
TY - JOUR T1 - High efficiency low-temperature processed perovskite solar cells integrated with alkali metal doped ZnO electron transport layers AU - Azmi, Randi AU - Hwang, Sunbin AU - Yin, Wenping AU - Kim, Tae-Wook AU - Ahn, Tae Kyu AU - Jang
Homogeneous doping of entire perovskite solar cells via alkali …
Doping with metal cations has been demonstrated to be efficacious for controlling charge transport and reducing charge recombination for perovskite solar cells. Herein, we report …
Advent of alkali metal doping: a roadmap for the evolution of perovskite solar …
Metal–halide hybrid perovskites have prompted the prosperity of the sustainable energy field and simultaneously demonstrated their great potential in meeting both the growing consumption of energy and the increasing social development requirements. Their inimitable features such as strong absorption ability,
Solar assisted alkali pretreatment of garden biomass: Effects on …
A comprehensive study was carried out to assess the effectiveness of solar assisted alkali pretreatment (SAAP) on garden biomass (GB). The pretreatment efficiency was assessed based on lignocellulose degradation, conversion of cellulose into reducing sugars, changes in the ultra-structure and functi …
Efficiency Enhancement of Cu 2 ZnSn(S,Se) 4 Solar Cells …
In this paper, a systematic research of alkali-metals doping effects on CZTSSe solar cells performances was reported. Alkali metal-containing precursors were utilized to investigate various influences of alkali metals on CZTSSe solar cells. K-doped CZTSSe solar cells showed the best device performance in our research.
The impact of alkali elements on the degradation of CIGS solar cells
Unencapsulated CIGS solar cells with high and low contents of sodium (Na) and potassium (K) were simultaneously exposed to damp heat and illumination. The solar cells with a high alkali (Na, K) content exhibited higher initial conversion efficiencies, but degraded severely within 100 h, while the alkali poor samples kept relatively stable …
High efficiency low-temperature processed perovskite solar cells ...
High efficiency low-temperature processed perovskite solar cells integrated with alkali metal doped ZnO electron transport layers. Randi Azmi, Sunbin Hwang, Wenping Yin, Tae-Wook Kim, Tae Kyu Ahn, Sung-Yeon Jang. Research output: Contribution to journal › Article › Research › peer-review.
Overcoming ionic migration in perovskite solar cells through alkali …
Article Overcoming ionic migration in perovskite solar cells through alkali metals Clara A. Aranda,1,2,3,5,* Agustin O. Alvarez,3 Vladimir S. Chivrony,4 Chittaranjan Das,1 Monika Rai,1 and Michael Saliba1,2,* SUMMARY Alkalimetals
Alkali Salts as Interface Modifiers in n‐i‐p Hybrid Perovskite Solar …
A potential failure mechanism is tied to a bias-induced ion migration, which causes current–voltage hysteresis and a decay in the device performance over time. …
Overcoming ionic migration in perovskite solar cells through alkali …
Alkali metals, as additives in perovskite solar cells (PSCs), have been extensively investigated for their impact on performance enhancement. This performance is sensitive to ion-driven interfacial recombination processes that lead to voltage losses and …
Perovskite Solar Cells: Alkali Chlorides for the Suppression of the ...
In article number 1803872, Aleksandra B. Djurišić, Zhubing He and co-workers report a promising inverted planar perovskite solar cell using NiO as the hole-transport-layer.Significant suppression of interfacial recombination is achieved by a facile alkali chloride modification at the interface between NiO and perovskite.
Advent of alkali metal doping: a roadmap for the …
Advent of alkali metal doping: a roadmap for the evolution of perovskite solar cells. Metal–halide hybrid perovskites have prompted …
Homogeneous doping of entire perovskite solar cells via alkali …
Herein, we report the homogeneous doping of entire perovskite solar cells by alkali cations via a dopant diffusion strategy from the hole transport layer. It was found that Rb + ions enhanced the conductivity and optimized the energy level alignment.
Alkali Metal Cations Modulate the Energy Level of …
N-type tin oxide (SnO 2) films are commonly used as an electron transport layer (ETL) in perovskite solar cells (PSCs). However, SnO 2 films are of poor quality due to facile agglomeration under a low-temperature …
Interfacial Alkali Diffusion Control in Chalcopyrite Thin-Film Solar …
Alkali elements, specifically sodium (Na), are key materials to enhance the energy conversion efficiencies of chalcopyrite and related thin-film photovoltaic solar cells. Recently, the effect of potassium (K) has also attracted attention because elemental K has unique effects different from Na as well as a similar beneficial effect in improving device …
Enhanced Capture of Broadband Solar‐Blind UV Light via …
Herein, an enhanced capture device for broadband solar-blind UV light is constructed by combining an ordinary semiconductor with a DC spectrum converter, the essence of which is to introduce the appropriate alkali-metal ions (Li +, Na +, and K +) into DC layer. Europium-doped organic–inorganic composite films are used as spectral …
High efficiency and stability of perovskite solar cells prepared by ...
Perovskite solar cells (PSCs) have attracted much attention at home and abroad due to their excellent photoelectric properties. Defects in the electron transport layer (ETL) and ETL/perovskite interface greatly affect the power conversion efficiency (PCE) and stability of PSCs. In the paper, the surface of tin dioxide (SnO2) ETL was modified by an alkali …
Interfacial Alkali Diffusion Control in Chalcopyrite Thin-Film Solar ...
Alkali elements, specifically sodium (Na), are key materials to enhance the energy conversion efficiencies of chalcopyrite and related thin-film photovoltaic solar cells. Recently, the effect of potassium (K) has also attracted attention because elemental K has unique effects different from Na as well as a similar beneficial effect in improving device …
An anti-oil-fouling superhydrophilic composite aerogel for solar …
Solar evaporation generation is a promising method for purifying high salinity water using renewable solar energy. However, the design for the efficient antifouling solar-thermal water evaporation of low-cost systems remains a challenge. ... An anti-oil-fouling superhydrophilic composite aerogel for solar saline alkali water desalination ...
Kesterite Solar Cells: Insights into Current Strategies and …
3 Alkali Treatments in Kesterite Solar Cells. The incorporation of alkali elements into the CIGS solar cells has led to two step-changes: greatly improved bulk quality by Na doping developed in the 1990s, and surface passivation by heavy alkali postdeposition treatment (PDT) developed recently.
Advances in CIGS thin film solar cells with emphasis on the alkali ...
Advances in CIGS thin film solar cells with emphasis on the ...
Defect-rich ultrathin poly-heptazine-imide-framework nanosheets with alkali-ion doping for photocatalytic solar …
Polymeric carbon nitride (CN) as a metal-free photocatalyst holds great promise to produce high-value chemicals and H2 fuel utilizing clean solar energy. However, the wider deployment of pristine CN is critically hampered by the poor charge carrier transport and high recombination. Herein, we develop a facile salt template-assisted …
Sulfate‐Assisted Interfacial Engineering for High Yield and …
Sulfate-Assisted Interfacial Engineering for High Yield and Efficiency of Triple Cation Perovskite Solar Cells with Alkali-Doped TiO 2 Electron-Transporting Layers Trilok Singh, Corresponding Author
Alkali Metals Doping for High‐Performance Planar Heterojunction …
This research identifies that doping of heavy alkali metals is an effective approach to improve the performance of Sb 2 S 3 solar cells.
Alkali-cation-enhanced benzylammonium passivation for efficient and stable perovskite solar …
Two-step sequential deposition has been shown to be an effective method to improve the quality of perovskite films and performance of perovskite solar cells (PSCs). In this work, we have developed a two-step sequential deposition method, incorporating an alkali cation (e.g., Cs+) and a benzylammonium (BA+) c
Perovskite Solar Cells: Alkali Chlorides for the Suppression of the Interfacial Recombination in Inverted Planar Perovskite Solar …
In article number 1803872, Aleksandra B. Djurišić, Zhubing He and co-workers report a promising inverted planar perovskite solar cell using NiO as the hole-transport-layer.Significant suppression of interfacial recombination is achieved by a facile alkali chloride ...
Enhanced Capture of Broadband Solar-Blind UV Light via Introducing Alkali-Metal Ions (Li
Herein, an enhanced capture device for broadband solar-blind UV light is constructed by combining an ordinary semiconductor with a DC spectrum converter, the essence of which is to introduce the appropriate alkali …
Emergence of flexible kesterite solar cells: progress and ...
Alkali element incorporation is another critical issue that needs to be addressed in order to achieve high-efficiency flexible CZTSSe solar cells. Like in the case of CIGS, alkali element sodium ...
Lithium vs Alkaline Batteries for Solar: A Detailed Comparison
Primary Alkaline – Single-use, non-rechargeable alkaline batteries are commonly used in lower-drain solar lights and devices. Sizes include AAA, AA, C, D, and 9V. Secondary Alkaline – Rechargeable NiMH …
Overcoming ionic migration in perovskite solar cells through alkali …
The main bottleneck to achieving an industrial market of solar cells based on perovskite material is the recombination mechanisms provoked by its intrinsic ionic migration. This ionic migration directly affects photovoltage values, diminishing the efficiency and stability of these devices. We use Na+ to reduce this ionic migration, allowing us to …
Overcoming ionic migration in perovskite solar cells through alkali ...
DOI: 10.1016/j.joule.2023.11.011 Corpus ID: 266284035; Overcoming ionic migration in perovskite solar cells through alkali metals @article{Aranda2023OvercomingIM, title={Overcoming ionic migration in perovskite solar cells through alkali metals}, author={Clara A. Aranda and Agustin O. Alvarez and Vladimir S. Chivrony and …
Direct evidence for grain boundary passivation in Cu(In,Ga)Se2 solar ...
CIGSe absorbers were deposited onto molybdenum (Mo)-coated alkali-aluminosilicate glass, which serves as a Na source during the three-stage evaporation process following the ZSW standard procedure established for the growth of high-efficiency CIGSe solar cells. CIGSe absorbers and the alkali-fluoride PDT were prepared in the same vacuum …
Solar Steam Gasification of Cellulose in a Molten Alkali Salt: Salt ...
A prototype 3 kW solar gasifier that operates in continuous mode to produce a mixture of hydrogen and carbon monoxide (synthesis gas) was operated at 1200 K in a high flux solar simulator with record breaking efficiency for steam gasification of cellulose. A unique aspect of the gasifier is the use of a molten alkali salt as heat transfer media and chemical …
Emerging alkali metal ion (Li+, Na+, K+ and Rb+) doped perovskite films for efficient solar cells: recent advances …
Herein, a comprehensive review of the incorporation of alkali metal ions (Li +, Na +, K + and Rb +) in emerging perovskite solar cells for a longer carrier lifetime, lower interfacial defect density, faster charge transfer, no hysteresis, higher stability and higher power ...
Passivation of Bulk and Interface Defects in Sputtered-NiOx-Based Planar Perovskite Solar …
Nickel oxide (NiOx) (deposited by sputtering (sp)) is a promising hole transport layer (HTL) for inverted planar perovskite solar cells. However, poor CH3NH3PbI3 crystallization, elimination of CH3NH3+, and formation of residual PbI2 grains, induced by defects present on the surface of sp-NiOx, have limited the device efficiency. Herein, a …
Advances in CIGS thin film solar cells with emphasis on the alkali …
In this review, we summarize the strategies of the alkali element doping in CIGS solar cell, the problems to be noted in the PDT process, the effects on the CdS …
Performance optimization of a solar-driven alkali metal …
DOI: 10.1016/j.applthermaleng.2022.119569 Corpus ID: 253294928 Performance optimization of a solar-driven alkali metal thermoelectric converter coupled to thermally regenerative electrochemical cycles @article{Zhao2023PerformanceOO, title={Performance ...
Alkali Chlorides for the Suppression of the Interfacial Recombination ...
Suppression of the interfacial recombination are achieved by facile alkali chloride modification of the nickel oxide in inverted perovskite solar cells. It is demonstrated that the interface modifica...