The richest source of caesium in nature, at least in 1985, was a deposit of pollucite, a mineral that is hydrated mixed silica of aluminum and caesium, near Bernic Lake, Manitoba, Canada. The primary uses of the element are in photoelectric cells, as a hydrogenation catalyst, in atomic clocks, and in ionic propulsion systems for space vehicles.
Caesium (also called cesium) is used in photoelectric cells, as a catalyst for hydrogenation of some organic compounds, in medical applications, and in industrial research. Other uses of caesium include atomic clocks, removing air traces from vacuum tubes, and in ion propulsion systems.
caesium and sometimes potassium because of when these elements are irradiated with light,the light energy is sufficient for atom to lose electron...
Caesium (Cesium in American English), one of three metals that is in the liquid form at room temperature is most commonly used in atomic clocks. Historically, the most important use for cesium has been in research and development, primarily in chemical and electrical applications. It is also used in photoelectric cells.
Selenium is an element which contains 34 protons. With these 34 protons, it also contains 45 electrons. SE (selenium's symbol) is mainly used TV cameras and photoelectric cells. The element was discovered in 1817 by Jons Berzelius.
Photoelectric cells are devices that generate electrical output that is dependent on the amount of illumination. They are used in various mechanical devices to set off alarms or open doors.
This application is probably possible.
Photoelctric cells was first discovered by Johann Elster and Hans Geitel.
Richard S. Hunter has written: 'Photoelectric tristimulus colorimetry with three filters' -- subject(s): Colorimetry, Photoelectric cells
Albert Ray Olpin has written: 'Cosmopolitan provincialism: Utah!' -- subject(s): History, University of Utah 'Method of enhancing the sensitiveness of alkali metal photoelectric cells' -- subject(s): Photoelectric cells
Bruno Lange has written: 'Photometrische Analyse' -- subject(s): Colorimetric analysis 'Die Photoelemente und ihre Anwendung' -- subject(s): Photoelectric cells 'Photoelements and their application' -- subject(s): Photoelectric cells
Caesium and potassium have low work functions. As a result, when these metals are irradiated with light, the light energy absorbed may be sufficient to make these metals emit electrons (photoelectric effect). This property makes caesium and potassium useful as electrodes in photoelectric cells.
The most common photoelectric cells consist of two electrodes separated by light sensitive semiconductor material. A high voltage source, such as a battery, is connected to the electrodes set up a current even in the absence of light. When light strikes the semiconductor material in the photocell, current in the circuit increases in proportion to the intensity of the light. The current from a photoelectric cell is often used to operate switches or relays, so are often used in automatic door openers and intrusion alarms. This type of photoelectric cells are called electric eyes.
the photoelectrons released during photoelectric effect are used to generate electricity in photo cells
there are three types ,they are photoconductive cell ,photoemissive cell and photovoltiac cell
most are silicon. some high efficiency ones for special applications have been made using gallium arsenide, but these are too expensive for commercial or home use, also there is a potential problem of arsenic leaching.
no... it is made up of elements. It does not have cells because it is an element. Think of hydrogen. Its an element.
light is absorbed by special cells known as photoelectric cells...... these cells are made uf certain materials that release electrons upon absorbing energy in the form of light...
Calcium is element 20 on the periodic table with an atomic mass of 40.078 amu. It is an alkaline earth metal and is found in the human body (bones, cells, etc).
photo voltaic cells convert light energy to electricalenergy The conversion of sunlight to electricity using photovoltaic (PV) cells, also known as solar cells, is based on the photoelectric effect discovered by Alexander Bequerel in 1839. The photoelectric effect describes the release of positive and negative charge carriers in a solid state when light strikes its surface.
The element used to kill cancer cells is: Californium.
The ionization enthalpy of K and Cs is less than that of Li and therefore these metals easily lose electrons on exposure to light than lithium.That's the reason potassium and cesium are used in photoelectric cells rather than Cs.
Both. Photoelectric cells work off light, and thermal collectors depend on heat.