Material properties of IMO:H+SnOx bilayer film and application in SHJ solar cells a, XRD patterns of IMO:H and bilayer films. b, Electrical characteristics of SnOx, IMO:H and bilayer films. c,d, J ...
The global photovoltaic (PV) market is dominated by crystalline silicon (c-Si) based technologies with heavily doped, directly metallized contacts. Recombination of photo-generated electrons and ...
Ag nanowire meshes are controllably fabricated over large areas (4 cm 2) using substrate-conformal imprint lithography (SCIL). Nanowire meshes are significantly more conductive than an industrial 80 nm ITO layer. A hybrid nanowire/ITO/SiN x electrode is demonstrated on silicon heterojunction (SHJ) solar cells. Current (J sc) is increased …
Cubic silicon carbide (3C-SiC) is a promising photoelectrode material for solar water splitting due to its relatively small …
Erwin, W. R. et al. Engineered Porous Silicon Counter Electrodes for High Efficiency Dye-Sensitized Solar Cells. ACS Appl. Mater. Interfaces 6, 9904–9910 (2014).
A Pt/SiC nanocomposite with ∼10 wt% Pt loading was used as a counter electrode (CE) in dye-sensitized solar cells (DSCs), it shows a high power conversion efficiency (PCE) of 7.07% (a DSC with a ...
3.4 The JV characteristic a-SiC:H solar cell. The conversion efficiency of a solar cell can be increased significantly with the improvement of materials properties and subsequently the designs and structures of the cell. Hydrogenated amorphous silicon carbide (a-SiC:H) alloys have been used as the top layers of the single and multijunction ...
By incorporating this hybrid electrode into SHJ solar cells, 9.0 cm 2 cells are achieved with an efficiency of 24.04% (FF of 81.64%) and 252 cm 2 cells with an …
Transparent conductive electrodes based on graphene have been previously proposed as an attractive candidate for optoelectronic devices. While graphene alone lacks the antireflectance properties needed in many applications, it can still be coupled with traditional transparent conductive oxides, further enhancing their electrical …
Here, we report that M6 wafer scale SHJ cells reached an efficiency of 24.94% using room temperature DC sputtering deposited ZnO:Al (AZO) transparent electrode. Compared …
Silicon heterojunction solar cells represent a promising photovoltaic approach, yet low short-circuit currents limit their power conversion efficiency. New research shows an efficiency record of ...
DOI: 10.1002/anie.201006635 Corpus ID: 29687531; Low-cost molybdenum carbide and tungsten carbide counter electrodes for dye-sensitized solar cells. @article{Wu2011LowcostMC, title={Low-cost molybdenum carbide and tungsten carbide counter electrodes for dye-sensitized solar cells.}, author={Mingxing Wu and Xiao Lin …
A Pt/SiC nanocomposite with ~10 wt% Pt loading was used as a counter electrode (CE) in dye-sensitized solar cells (DSCs), it shows a high power conversion efficiency (PCE) of 7.07% (a DSC with a SiC CE has a PCE of 3.29%), reaching 98.5% of the level obtained using a Pt CE (7.18%). This work provide …
The Solar Energy Technologies Office (SETO) supports research and development projects that advance the understanding and use of the semiconductor silicon carbide (SiC). SiC is used in power electronics devices, like inverters, which deliver energy from photovoltaic (PV) arrays to the electric grid, and other applications, like heat exchangers ...
A highly transparent passivating contact (TPC) as front contact for crystalline silicon (c-Si) solar cells could in principle combine high conductivity, excellent …
Recent Progress of Electrode Materials for Flexible ...
We demonstrate how the equations can be applied to aid in the design of electrodes by comparing silicon-graphite and tin-graphite composite negative electrodes as examples with practical relevance ...
KEYWORDS: silicon carbide, titanium dioxide, solar cells, hot-wire CVD, amorphous silicon 1. Introduction The solar energy conversion is one of key technologies for realizing a sustainable energy system. In particular, silicon thin film solar cells are a promising technology because of their lower cost and larger area. In this field, a large ...
Understanding capacity fade in silicon based electrodes for lithium-ion batteries using three electrode cells and upper cut-off voltage studies. Journal of Power Sources 302, 426–430, https ...
1 Introduction. Global photovoltaic (PV) installation is increasing every year and has reached 228.5 GW in 2022, [] while the cumulative installed solar capacity exceeds 1 TW and has to grow even faster. [] The majority of PV systems have used silicon solar cells since 1970 and are now the cheapest source of electricity among all others. [] One way to further …
Charge carrier collection in silicon heterojunction solar cells occurs via intrinsic/doped hydrogenated amorphous silicon layer stacks deposited on the crystalline silicon wafer surfaces. Usually, both the electron and hole collecting stacks are externally capped by an n-type transparent conductive oxide, which is primarily needed for carrier ...
We explored LiF x to reduce parasitic absorption inside solar cells for this purpose. Some silicon-based materials [16][17][18][19] [20] [21] and instead of the a-Si:H(n) layer, alternate ...
Results demonstrate that molybdenum and tungsten carbides are potential alternatives to the expensive and scarce Pt in low-cost DSSCs. Carbide-based catalysts, MoC and WC embedded in ordered nanomesoporous carbon were developed for the redn. of triiodide in DSSCs. CV, EIS, Tafel polarization, and photocurrent/voltage tests confirm …
Yu et al. demonstrate a certified 25.94% efficiency silicon heterojunction solar cell replacing part of indium-based electrodes with undoped tin oxide and using …
Amorphous silicon enables the fabrication of very high-efficiency crystalline-silicon-based solar cells due to its combination of excellent passivation of the …
Silicon Carbide Solar Cells Investigated. The semiconductor silicon carbide (SiC) has long been known for its outstanding resistance to harsh environments (e.g., thermal …
Figure 1 Illustration of different SHJ solar cell structures and the path for charge carriers to electrodes. ... Challenges for lowly-doped phosphorus emitters in silicon solar cells with screen-printed silver contacts. Energy Procedia. 2017; 124:936-946. ... Transparent silicon carbide/tunnel SiO2 passivation for c-Si solar cell front side ...
electrode for next generation photodetectors and solar cells due to its excellent optical transparency, high electrical con- ductivity and mechanical flexibility.
Nogay, G. et al. Silicon-rich silicon carbide hole-selective rear contacts for crystalline-silicon-based solar cells. ACS Appl. Mater. Interfaces 8, 35660–35667 (2016).
The emergence of crystallize silicon (c-Si)-based solar cells is considered a milestone, driving the development of the photovoltaic industry worldwide, which can be …
To obtain high conversion efficiency, various carrier-selective contact structures are being applied to the silicon solar cell, and many related studies are being conducted. We conducted research on TiO2 to create an electron-selective contact structure that does not require a high-temperature process. Titanium metal was deposited using a …
Counter electrodes in dye-sensitized solar cells
Here, we report that M6 wafer scale SHJ cells reached an efficiency of 24.94% using room temperature DC sputtering deposited ZnO:Al (AZO) transparent electrode. Compared with indium tin oxide (ITO) standard cells, interfacial contact and smaller bandgap are observed to be the main factors that limit the AZO solar cell performance.