What are the types of thin film solar cells?

Principles of semiconductor solar photovoltaic cell

What are the types of thin film solar cells?

admin on October 15, 2021 0 Comments • Tags: #amorphoussiliconthinfilmsolarcells #dyesensitizednanothinfilmsolarcells #multicomponentcompoundthinfilmsolarcells #organicsemiconductorthinfilmsolarcells #polycrystallinesiliconthinfilmsolarcells

The previous article described the types of crystalline silicon solar cells. This article will introduce the types of thin film solar cells According to the materials used to prepare solar cells, thin-film solar cells can be divided into the following categories. (1) Multicomponent compound thin film solar cellsCopper-in-selenium (CIS) thin-film solar cells: CuInSe2 has a … Read More

What are the two types of crystalline silicon solar cells?

Principles of semiconductor solar photovoltaic cell

What are the two types of crystalline silicon solar cells?

admin on October 12, 2021 0 Comments • Tags: #crystallinesiliconsolarcell #monocrystallinesiliconsolarcells #polycrystallinesiliconsolarcells

Crystalline silicon solar cells are divided into monocrystalline silicon solar cells and polycrystalline silicon solar cells. (1) Monocrystalline silicon solar cellsThis is the solar cell with the highest conversion efficiency and the most mature technology among solar cells. This is because the monocrystalline silicon material and its related processing technology are mature and stable, the … Read More

What is the equivalent circuit of a solar cell?

Principles of semiconductor solar photovoltaic cell

What is the equivalent circuit of a solar cell?

admin on October 9, 2021 0 Comments • Tags: #opencircuitvoltageofsolarcell #photocurrent #solarcellequivalentcircuit

The solar cell can be represented by a circuit composed of a series resistance Rs caused by a PN junction diode VD, a constant current source Iph, and an electrode of the solar cell, and a parallel resistance Rsh corresponding to the PN junction leakage current, as shown in Figure 1. It is the equivalent … Read More

What is the principle of solar cells?

Principles of semiconductor solar photovoltaic cell

What is the principle of solar cells?

admin on September 22, 2021 0 Comments • Tags: #opencircuitvoltage #photoelectricconversionefficiency #shortcircuitcurrent

What is the principle of solar cells?The working principle of solar cells is based on the photovoltaic effect. When light irradiates the solar cell, it will generate a photo-generated current Ipn from the N area to the P area. At the same time, due to the characteristics of the P-N junction diode, there is a … Read More

Performance structure of semiconductor P-N junction of solar photovoltaic cell

Principles of semiconductor solar photovoltaic cell

Performance structure of semiconductor P-N junction of solar photovoltaic cell

admin on August 21, 2021 0 Comments • Tags: #bandstructureofpnjunction #carrierlifetime #pnjunctionunderlight

① Band structure of P-N junctionDue to the diffusion and drift of carriers, a space charge region and a built-in electric field appear in the semiconductor, causing the potential U and related hole potential energy (eV) or electron potential energy (one eV) of this part to change with the position, and finally change the PN … Read More

Principles of semiconductor solar photovoltaic cell

Semiconductor P-N junction of solar photovoltaic cell

admin on August 10, 2021 0 Comments • Tags: #electronconcentration #ntypesemiconductormaterial #ptypesemiconductormaterial

Intrinsic semiconductor materials are doped with group V impurity elements (phosphorus, arsenic, etc.), and the impurities provide electrons, making the electron concentration in them greater than the hole concentration, forming an N-type semiconductor (Figure 1) material, and the impurity is called “donor” “. At this time, the electron concentration is greater than the hole concentration, … Read More

Principles of semiconductor solar photovoltaic cell

What is the energy band of semiconductors?

admin on August 3, 2021 0 Comments • Tags: #electronorbit #electronicenergylevel #semiconductorcrystal

Interpreted from the energy band point of view, the reason why the conductivity of a semiconductor is between a conductor and an insulator lies in the band gap of the semiconductor energy band. The energy value that the electrons in free space can obtain is basically continuous, but in semiconductors, due to quantum effects, the … Read More

Principles of semiconductor solar photovoltaic cell

Crystal structure and electron-hole pairs of semiconductor solar photovoltaic cell

admin on August 3, 2021 0 Comments • Tags: #diamondstructure #intrinsicsemiconductor #latticeconstant #thermalequilibrium

Crystal structureSolid substances can be divided into two categories, crystalline and non-crystalline, according to the arrangement rules of their particles (atoms, ions, and molecules). Solid substances with a definite melting point are called crystals, such as silicon, gallium arsenide, ice, and general metals; solid substances that have no definite melting point and gradually soften within … Read More

Principles of semiconductor solar photovoltaic cell

What is a semiconductor and its classification and characteristics?

admin on August 3, 2021 0 Comments • Tags: #conductivityofsemiconductors #freeelectron #thermistor

In order to illustrate the concept of photovoltaic effect, we have to start with semiconductors. According to the electrical conductivity, solid materials can be divided into insulators, conductors and semiconductors. In layman’s terms, those that can conduct electricity are called conductors; those that cannot conduct electricity are called insulators; those that are between conductors and … Read More