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Experimental Approach to Silicon Heterojunction Tandem Solar Cells

A solar cell, or a photovoltaic (PV) cell, is an electrical device that converts light energy directly into electricity by the photovoltaic effect. There are different types of solar cells. Tandem solar cells could have a very good conversion efficiency in comparison with other types of solar cells. Tandem solar cells are considered the industry’s next step in photovoltaics due to their excellent conversion efficiency. A very good example is the perovskite absorber material that has been developed for efficient tandem solar cells.

176
05 Mar 2024

Topic Review

Wide-Bandgap Semiconductors for Radiation Detection

An overview of wide-bandgap (WBG) semiconductors for radiation detection applications is given. The recent advancements in the fabrication of high-quality wafers have enabled remarkable WBG semiconductor device applications. The most common 4H-SiC, GaN, and β-Ga2O3 devices used for radiation detection are described.

209
04 Mar 2024

Topic Review

Cepheus is a northern constellation named after the mythical king of Aethiopia in Greek mythology. Positioned in the celestial northern hemisphere, it is recognizable for its distinctive shape resembling a house with a peaked roof. Cepheus is home to several notable deep-sky objects, including the famous variable star Delta Cephei, which gave its name to a class of pulsating stars known as Cepheid variables.

185
29 Feb 2024

Topic Review

Centaurus, a prominent southern hemisphere constellation, is one of the largest and most recognizable constellations in the night sky. Named after the centaur Chiron from Greek mythology, Centaurus features the bright Alpha Centauri system, one of the closest star systems to Earth.

258
29 Feb 2024

Topic Review

Cassiopeia, named after the queen in Greek mythology, is a prominent constellation in the northern celestial hemisphere. Known for its distinctive "W" or "M" shape, depending on its orientation in the sky, Cassiopeia is easily recognizable and has been a subject of fascination for astronomers and stargazers throughout history.

235
29 Feb 2024

Topic Review

Carina, Latin for "the keel" or "the hull," is a constellation in the southern celestial hemisphere. Representing the keel of the mythical ship Argo Navis, Carina is home to several notable celestial objects, including the second-brightest star in the night sky, Canopus. It is rich in nebulae, star clusters, and other deep-sky wonders.

297
29 Feb 2024

Topic Review

Capricornus, often depicted as a sea-goat in mythology, is a zodiac constellation located in the southern celestial hemisphere. Its name is derived from the Latin words "capra," meaning goat, and "cornu," meaning horn. Capricornus is notable for containing several bright stars and is associated with the winter solstice in the Northern Hemisphere.

284
29 Feb 2024

Topic Review

Canis Minor, Latin for "Lesser Dog," is a small constellation in the northern celestial hemisphere. Named for one of the hunting dogs of Orion in Greek mythology, Canis Minor is characterized by its two brightest stars, Procyon and Gomeisa, which shine brightly in the night sky.

268
29 Feb 2024

Topic Review

Canis Major, Latin for "Greater Dog," is one of the most prominent constellations in the southern celestial hemisphere. Often depicted as one of Orion's hunting dogs in Greek mythology, Canis Major is best known for its brightest star, Sirius, also called the Dog Star, which is the brightest star in the night sky. With its distinctive shape and rich cultural significance, Canis Major has fascinated astronomers and storytellers throughout history.

352
29 Feb 2024

Topic Review

Canes Venatici, Latin for "hunting dogs," is a small northern constellation situated between Ursa Major and Boötes. It was introduced by Johannes Hevelius in the 17th century, representing the hunting dogs of Boötes, the Herdsman. The constellation is notable for hosting several interesting celestial objects, including the famous Whirlpool Galaxy (M51) and the Sunflower Galaxy (M63).

206
29 Feb 2024

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