Abstract
Mn-substituted 1D [Zn1−xMnxSe](DETA)0.5(DETA = diethylenetriamine, x = 0−0.3) inorganic−organic hybrid nanobelts have been synthesized by a solvothermal reaction in a mixed solvent media. Strong Mn2+ internal transition (4T1 → 6A1) emission peaks at 585 nm (2.12 eV) are detected at room temperature photoluminescence (PL) spectra, and the highest emission intensity is obtained when the nominal Mn content x = 0.15. Temperature- and pressure-dependent photoluminescent properties as well as the electron paramagnetic resonance (EPR) spectra of [Zn1−xMnxSe](DETA)0.5 nanobelts have been studied for the first time. Temperature-dependent PL spectra show that the lower the temperature, the higher the intensity of the emission intensity. Under high pressure, a large red shift of Mn2+-related orange luminescence is observed and luminescent intensity is greatly decreased as the pressure increases to 10.5 GPa. Pressure dependence of the Mn2+ PL integrated intensity and energy have the same kink point at 2.54 GPa, which...
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