Cu(In,Al)Se 2 (CIAS) solar cells yield better photovoltaic performance than CuInSe 2 cells, although the effective range of Al concentration that can improve device performance is narrower than that of elemental Ga in Cu(In,Ga)Se 2 (CIGS). A decrease in the alkali metal concentration in CIAS films with increasing Al concentration is observed ...
Approximately a decade after the suggestion of Nast et al. to use aluminum induced layer exchange for thin-film solar cells, this paper will discuss the aluminum induced crystallization process itself as well as the implementation into workable solar cells.
The applicability of MIC for thin-film photovoltaic solar cell applications is mainly determined by the position of the metal after crystallization, the incorporation of the metal in the crystallized Si layer, the electronic effect of the metal on the silicon layer and the possibility to obtain a homogeneous crystalline silicon layer.
One possible material fabrication approach is metal induced crystallization (MIC). Many metals lower the crystallization temperature of a-Si but for photovoltaic (PV) solar cell applications aluminum seems to be the most interesting.
... According to B€ odeker et al. (2010), 72% of the aluminum used in the PV industry devotes to the construction and mounting facilities, while panel frames and inverters consume 22% and 6%, respectively.
The record aluminum induced crystallization (AIC) solar cell today features an energy conversion efficiency of 8.5%, too low to be competitive with other PV technologies. The main problems and limitations as encountered today will be described. We believe that an energy conversion efficiency of 8.5% is not the limit of AIC solar cells.
It was found that continuous pc-Si layers with grain diameters up to 100 µm can be obtained with the aluminum induced layer exchange process . Together with the relative harmless electronic effect of Al in silicon, Al is probably the most suitable metal for MIC pc-Si solar cells. Fig. 1.
Cu(In,Al)Se 2 (CIAS) solar cells yield better photovoltaic performance than CuInSe 2 cells, although the effective range of Al concentration that can improve device performance is narrower than that of elemental Ga in Cu(In,Ga)Se 2 (CIGS). A decrease in the alkali metal concentration in CIAS films with increasing Al concentration is observed ...
Another type of solar cell is the amorphous silicon solar cell. These cells are made from a thin film of silicon that has been deposited onto a substrate. The material you use to make your solar panel will also affect its …
Polycrystalline silicon (poly-Si) thin films are fabricated by aluminum-induced crystallization (AIC) of amorphous silicon suboxide (a-SiOx, x = 0.22) at 550 °C for 20 h.
aluminium alloys make aluminium a useful material for solar absorption. These qualities
In this study, Atomic Layer Deposition (ALD) equipment was used to deposit Al2O3 film on a p-type silicon wafer, trimethylaluminum (TMA) and H2O were used as precursor materials, and then the post ...
Aluminum‐based chalcopyrite materials have attracted attention because of the wide controllability range of their material properties and potential for use in energy‐conversion …
Aluminum‐based chalcopyrite materials have attracted attention because of the wide controllability range of their material properties and potential for use in energy‐conversion devices. Herein, CuAlSe 2 ‐based thin‐film growth and solar cell device properties are discussed
Approximately a decade after the suggestion of Nast et al. to use aluminum induced layer exchange for thin-film solar cells, this paper will discuss the aluminum induced crystallization process itself as well as the implementation into workable solar cells.
The light absorber in c-Si solar cells is a thin slice of silicon in crystalline form (silicon wafer). Silicon has an energy band gap of 1.12 eV, a value that is well matched to the solar spectrum, close to the optimum value for solar-to-electric energy conversion using a single light absorber s band gap is indirect, namely the valence band maximum is not at the same …
aluminium alloys make aluminium a useful material for solar absorption. These qualities
Yuriy Akimov and Wee Shing Koh at the A*STAR Institute of High Performance Computing (Singapore) have now improved the light conversion efficiency of thin-film solar cells by depositing...
Yuriy Akimov and Wee Shing Koh at the A*STAR Institute of High Performance Computing (Singapore) have now improved the light conversion efficiency of thin-film solar cells by …
This manuscript by Marus et al. demonstrated a tsuchime-like aluminum film by electrochemical anodization for improving the absorbance for the silicon solar cells. This nanostructure can be …
Here, we show that a self-forming nanostructure—Tsuchime-like nanocrater aluminum (T-NC Al) film—greatly enhances absorption in an ultra-thin solar cell. At the same time, it eliminates the need for lithography and other …
produce well-ordered silicon Nanowires for solar cell applications. The study uses a single step anodizing process as a main process in the experiments. Samples produced from a 99.97% purity Aluminum (AL) foil, and others produced from AL-silicon wafers coated by an AL film with different AL thicknesses are used in the study. The study ...
In a solar PV cell, the amount of aluminum present varies based on different components. For instance, in the formulation of solar cells, the aluminum content can range from about 50 wt% to 85 wt% of the mixture . Additionally, solar cell aluminum paste typically consists of 70-80% aluminum powder by mass . Furthermore, in a solar photovoltaic ...
Here, we show that a self-forming nanostructure—Tsuchime-like nanocrater aluminum (T-NC Al) film—greatly enhances absorption in an ultra-thin solar cell. At the same time, it eliminates the need for lithography and other costly manufacturing processes and becomes more effective as the cell gets thinner. The nanostructure resembling a ...
Thin-film polycrystalline silicon (pc-Si) solar cell technology tries to combine the cost benefit of thin-film technology and the quality potential of crystalline Si technology.
The results showed that an enhancement of 40 % in absorption could be achieved by integrating the aluminum particles on thin silicon solar cells with the proper combination of NP parameters compared to those without aluminum particles. The work is useful for the further theoretical study and design for the plasmonic thin-film solar cell.
The obtained minor effect of the thermal annealing on morphological and electrical properties of Sn thin films is offset by an improvement in the performance parameters of solar cells after...
Approximately a decade after the suggestion of Nast et al. to use aluminum induced layer exchange for thin-film solar cells, this paper will discuss the aluminum induced …
This manuscript by Marus et al. demonstrated a tsuchime-like aluminum film by electrochemical anodization for improving the absorbance for the silicon solar cells. This nanostructure can be easily formed and cost-effective without expensive process like lithography. The authors also showed the theoretical studies on the effects of diameter of ...
Light trapping 1 is an essential aspect in the design of solar cells based on thin absorbers, including both amorphous/microcrystalline thin films 2,3,4 and the recently emerging thin mono ...
The obtained minor effect of the thermal annealing on morphological and electrical properties of Sn thin films is offset by an improvement in the performance parameters of solar cells after...
The results showed that an enhancement of 40 % in absorption could be achieved by integrating the aluminum particles on thin silicon solar cells with the proper …
This type of solar cell includes: (1) free-standing silicon "membrane" cells made from thinning a silicon wafer, (2) silicon solar cells formed by transfer of a silicon layer or solar cell structure from a seeding silicon substrate to a surrogate nonsilicon substrate, and (3) solar cells made in silicon films deposited on a supporting substrate, which may be either an inexpensive, lower ...
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