Redox-mediated reversible modulation of the photoluminescence of single quantum dots

Li Ying^a), Liu Ren-Wei^a),^b), Ma Li^a), Fan Su-Na^a),^b), Li Hui^a), Hu Shu-Xin†^a), Li Ming^a)

Modulation of the PL intensity of a QD by different waveforms and frequencies: (a) the 0.1 Hz square wave potential and (b) the corresponding intensity trace, (c) the 0.04 Hz triangle wave potential and (d) the corresponding intensity trace.