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.

本数据集包含以下数据：（1）巯基丙酸（MPA）包覆的Mn掺杂ZnS量子点（QDs）的荧光发射光谱、室温磷光发射光谱及紫外-可见吸收光谱；（2）巯基丙酸（MPA）包覆的Mn掺杂ZnS QDs、QDs-Pb²⁺体系、QDs-Pb²⁺-S²⁻体系的室温磷光发射光谱；（3）不同剂量的MPA包覆Mn掺杂ZnS QDs稀释至10 mL后的室温磷光变化；（4）pH值对MPA包覆Mn掺杂ZnS QDs、QDs-Pb²⁺体系、QDs-Pb²⁺-S²⁻体系室温磷光强度的影响；（5）QDs-Pb²⁺体系、QDs-Pb²⁺-S²⁻体系的室温磷光强度随孵育时间的变化；（6）pH 11.5硼砂-NaOH缓冲溶液中，不同Pb浓度下MPA包覆Mn掺杂ZnS QDs的室温磷光发射光谱；（7）QDs与Pb²⁺体系的磷光强度比（P₀/P）与Pb²⁺浓度的线性关系；（8）Pb²⁺浓度对MPA包覆Mn掺杂ZnS QDs磷光强度的影响；（9）pH 11.5硼砂-NaOH缓冲溶液中，QDs、QDs+Pb²⁺、QDs+Pb²⁺+S²⁻、QDs+S²⁻+Pb²⁺体系的室温磷光发射光谱；（10）不同浓度硫化物存在下，MPA包覆Mn掺杂ZnS QDs与Pb²⁺体系的室温磷光发射光谱；（11）QDs+S²⁻+Pb²⁺体系的磷光强度恢复值（P-P₀）与硫化物浓度的校准曲线；（12）硫化物存在及不存在时，QDs+Pb²⁺体系对不同阴离子的响应；（13）MPA包覆Mn掺杂ZnS QDs、Pb²⁺、S²⁻及其不同组合体系的紫外-可见吸收光谱；（14）QDs+Pb²⁺体系对实际水样中硫化物的回收率检测数据。