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The responsive behavior shows the sensing has excellent linearity in 1.4–3.8μg L−1μM. The LOD for sensing CH3Hg+ is 0.8 μg L−1, which meets the standard of Chinese environmental quality standard for agricultural and industrial water. Interestingly, study also reveals the sensor is ...
Figure 3 shows a strong endothermic peak at 388 K with an enthalpy of 22.26 kJ/mol. The two phases were denoted as phase I, which refers to the region above 388 K, and phase II, which refers to the region below 388 K. Figure 3 Differential scanning calorimetry (DSC) curve of [NH2(...
The valid strong THz absorption at 1.58 THz was probed in the organic-inorganic hybrid perovskite thin film, CH3NH3PbI3, fabricated by sequential vacuum evaporation method. In usual solution-based methods such as 2-step solution and antisolvent, we ob
(CH2C6H5)] 2J(P,C)aliphatic 5.0 3.5 4.6 3.7, 4.0 [N(CH3)2] 4.4 3.5 3.6 2J(P,C)benzylic 5.3 4.0 4.9 4.6 4.8 4.9 4.6 Reference a a a a a [21] [21] benzylmethylamine moiety, furthermore, compound 4 shows a 2J(P,C) coupling constant for the CH3 in the N(CH3)2 group....
whichcorrespondstoaratioof1/4.Thisindicatesthattheaminogroupofglycineis about1/5deprotonatedand4/5protonatedatpH9.0. (c)From(b)weknowthattheaminogroupisabout1/5,or20%,deprotonatedatpH9.0. Thus,inmovingfrompH9.0topH9.6(atwhich,bydefinition,theaminogroupis 50%deprotonated),30%,or0.3,oftheglycineis...
Isotopic substitution clearly shows that in N2 matrix the bigger molecule plays the role of proton donor (Type-I structure) and in Ar matrix that of proton acceptor (Type-II structure). This difference can be rationalized by considering the existence of weak OH···N2 hydrogen bonds ...
The synthesis of 2CH3CN1·2CH3CN was accomplished by the reaction of 3 equiv of [Ir(1,5-COD)Cl]2 with 4 equiv of (n-Bu4N)2WO4; an X-ray diffraction single-crystal structure shows that the four tungsten atoms in of 2CH3CN1·2CH3CN are located in tetrahedral positions and combine ...
Figure 3e gives the HAADF-STEM image, which reveals many pores with different sizes inside the nanoflower-like CuMnOS particles. Figure 3f shows the FE-SEM-EDS spectrum, which verifies that aggregates are composed of Cu, Mn, S, and O. Figure 3g–j show the HAADF-STEM-EDX elemental maps...
which has a crystal lattice structure similar to CH3NH3PbI3but has a band gap of about 1.3 eV, between HTL and layer CH3NH3PbI3. Figure10shows schematic of LT structure for PSC (Fig.10a) without CH3NH3SnI3layer and (Fig.10b) with CH3NH3SnI3layer. As shown in Fig.10b by adding this...