Purifying single photon emission from giant shell CdSe/CdS quantum dots at room temperature

• DOI: 10.1039/d2nr04744f
• Publication Date: 2023-01-04T09:58:49Z
• Authors: Sergii Morozov; Stefano Vezzoli; Alina Myslovska; Alessio Di Giacomo; N. Asger Mortensen; Iwan Moreels; Riccardo Sapienza
• Keywords: Condensed Matter - Mesoscale and Nanoscale Physics; FOS: Physical sciences; Physics - Applied Physics; 02 engineering and technology; Applied Physics (physics.app-ph); 01 natural sciences; 0104 chemical sciences; Physics and Astronomy; Mesoscale and Nanoscale Physics (cond-mat.mes-hall); General Materials Science; 0210 nano-technology

Single photon purity of an individual quantum dot is severely compromised by biexciton emission. Giant shell quantum dots are allowing for biexciton spectral separation with a long-pass filter improving single photon purity at room temperature.