The ionic liquid N-butyl-N′-(4-pyridylheptyl)imidazolium bis(trifluoromethane)sulfonimide (BuPyIm-TFSI) was used as a dual-functional additive to improve the electrical properties of the hole-transporting material (HTM) for perovskite solar cells.
What is HTM in perovskite solar cell?
Organic and inorganic p-type semiconductor materials are commonly used as hole transporting materials (HTM) in perovskite solar cells due to its high mobility and simple preparation process , , . HTM separates the photo-excited electron-hole pairs and transport the holes to the external circuits.
What is HTM layer?
For an HTM layer, both organic and inorganic materials were used to observe their influence on efficiency. We have considered spiro-OMeTAD, Cu2O, and CuSCN as the HTM layer. … This indicates that the proposed lead-free PSC structure is feasible for the production of high-efficiency lead-free perovskite solar cells.
Which of the following can be used as primary light absorber in perovskite solar cells?
Clean energy applications of perovskites
Silicon has been the primary semiconductor material used in solar cells since the 1950s, as its semiconducting properties align well with the spectrum of the sun’s rays and it is relatively abundant and stable.
What is halide perovskite?
A perovskite solar cell (PSC) is a type of solar cell which includes a perovskite-structured compound, most commonly a hybrid organic-inorganic lead or tin halide-based material, as the light-harvesting active layer. … Perovskite solar cells are therefore the fastest-advancing solar technology as of 2016.
What is Spiro OMeTAD?
Spiro-OMeTAD (Spiro-MeOTAD) is one of the most studied and suitable hole transport layer materials (HTL) due to its facile implementation and high performance in organic-inorganic electronic devices.
Why are perovskite solar cells important?
Perovskite solar cells of certain compositions can convert ultraviolet and visible light into electricity very efficiently, meaning they might be excellent hybrid-tandem partners for absorber materials such as crystalline silicon that efficiently convert infrared light.
What is hole transport layer?
Hole transport layer (HTL) do the opposite of (ETL) behavior it blocks electrons to fllow through . Materials of these characteristics are used to optimize both the performance and the stability of the devices.
Where is perovskite found?
Perovskite is found in Earth’s mantle has been mined in Arkansas, the Urals, Switzerland, Sweden, and Germany. Each variety has a slightly different chemical makeup, allowing for different physical characteristics.
Is perovskite toxic?
The team of scientists, led by Dr. Kazuhiko Maeda, Associate Professor at the Department of Chemistry, Tokyo Institute of Technology, developed a perovskite-based semiconductor material that is free of toxic lead and can absorb a wide range of visible light.
Who invented perovskite solar cell?
A History of Perovskite Solar Cells
|1981||GTE Laboratories (Waltham, Mass.)|
|1988||Ferranti Plc (Oldham, U.K.)|
|1988||Sharp (Osaka, Japan)|
|1994||D.B. Mitzi et al./ IBM (Yorktown Heights, N.Y.)|
Is perovskite a ceramic?
The perovskite structure is shown to be the single most versatile ceramic host. … Ceramics (processed inorganic materials) are by far the highest volume and highest tonnage materials made and used by humankind.