Mercaptopropionic acid-capped Mn-doped ZnS quantum dots and Pb2+ as sensing system for rapid and sensitive room-temperature phosphorescence detection of sulfide in water

This data set includes the data of (1) fluorescence emission spectrum, room temperature phosphorescence emission spectrum, ultraviolet visible absorption spectrum of MPA capped Mn doped ZnS QDs, (2) room temperature phosphorescence emission spectrum of MPA coated Mn doped ZnS QDs, QDs-Pb2+system, QDs-Pb2+-S2 - system, and (3) room temperature phosphorescence changes after diluting to 10ml with different doses of MPA capped Mn doped ZnS QDs, (4) The effect of pH value on the room temperature phosphorescent intensity of MPA capped Mn doped ZnS QDs, QDs-Pb2+system, QDs-Pb2+-S2 - system, (5) the change of room temperature phosphorescent intensity of QDs-Pb2+system, QDs-Pb2+-S2 - system with incubation time, (6) the room temperature phosphorescent emission spectra of MPA capped Mn doped ZnS QDs in the presence of different concentrations of Pb in pH 11.5 borax NaOH buffer solutions, (7) Linear relationship between P0/P phosphorescent intensity ratio of QDs and Pb2+ system and Pb2+ concentration, (8) Effect of Pb2+ concentration on phosphorescent intensity of MPA capped Mn doped ZnS QDs, (9) Room temperature phosphorescent emission spectrum of QDs, QDs+Pb2+, QDs+Pb2+S2 -, QDs+S2 -+Pb2+system in borax NaOH buffer solution with pH value of 11.5, (10) Room temperature phosphorescent emission spectra of MPA coated Mn doped ZnS QDs and Pb2+ system in the presence of sulfide at different concentrations, (11) calibration curves between (P-P0) recovery strength of QDs+S2 -+Pb2+ system and sulfide concentration , (12) response of QDs+Pb2+system to different anions in the presence of sulfide and without sulfide, (13) The ultraviolet visible absorption spectra of MPA capped Mn doped ZnS QDs, Pb2+ S2 - and its different systems,(14) QDs+Pb2+system's recovery detection of sulfide in actual water samples.