Surface chemistry in calcium capped carbon quantum dots
Shihuan Ren, Bingxu Liu, Guangting Han, Haiguang Zhao, Yuanming Zhang
Abstract
By treating C-dots with Na 2 CO 3 , Ca-free C-dots can be obtained. Ca 2+ shows a strong interaction with the CO group of the C-dots, contributing to the strong absorption at 405 nm, excitation-independent PL behavior and high quantum yield.
Topics & Concepts
Quantum dotExcitationQuantum yieldCarbon fibersYield (engineering)Absorption (acoustics)Materials scienceCalciumNanotechnologyCarbon quantum dotsChemistryAnalytical Chemistry (journal)Chemical engineeringPhysicsFluorescenceComposite numberComposite materialMetallurgyOrganic chemistryOpticsQuantum mechanicsEngineeringCarbon and Quantum Dots ApplicationsNanocluster Synthesis and ApplicationsQuantum Dots Synthesis And Properties