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Borophene stands out uniquely among Xenes with its metallic character, Dirac nature, exceptional electron mobility, thermal conductivity, and Young's moduli—surpassing graphene. Invented in 2015, various methods, including atomic layer deposition, molecular beam epitaxy, and chemical vapor deposition, have successfully been demonstrated to realize substrate-supported crystal growth. Top-down approaches like micromechanical, sonochemical, solvothermal and modified hummer's techniques have also been employed. Thanks to its high electronic mobility, borophene serves as an active material for ultrafast sensing of light, gases, molecules, and strain. Its metallic behaviour, electrochemical activity, and anti-corrosive nature make it ideal for applications in energy storage and catalysis. It has been proven effective as an electrocatalyst for HER, OER, water splitting, CO 2 reduction, and NH 3 reduction reactions. Beyond this, borophene has found utility in bioimaging, biosensing, and various biomedical applications. A special emphasis will be given on the borophene nanoarchitectonics i.e. doped borophene and borophene-based hybrids with other 2D materials and nanoparticles and the theoretical understanding of these emerging materials systems to gain more insights on their electronic structure and properties, aiming to manipulate borophene for tailored applications. [ABSTRACT FROM AUTHOR]