Fig. 5: Practical FNR imaging characterization of (BTPP)1.8(HTPP)0.2MnBr4 transparent glassy screen. | Nature Communications

Fig. 5: Practical FNR imaging characterization of (BTPP)1.8(HTPP)0.2MnBr4 transparent glassy screen.

From: A transparent hybrid metal halide glassy scintillation screen for high-resolution fast neutron radiography

Fig. 5

a Schematic diagram of the experimental setup for FNR. Fast neutrons pass through the tested sample and the shielding layer, and are irradiated onto the scintillation screen to excite it luminescence, then receiving the image information by CCD. b The light output of different transparent scintillation screens, 2D Mn-STA2PbBr4 perovskite plate and ZnS (Ag): PP commercial fast neutron scintillation screen (ZnS (Ag): PP as a benchmark value of 1) (Error bars are presented as mean ± SD, n = 3 presents three independent experiments). c The light output of (BTPP)1.8(HTPP)0.2MnBr4 transparent scintillation screens with different thicknesses (mean ± SD, n = 3). d Resolution test with standard sample (steel plate with different slits width). (BTPP)1.8(HTPP)0.2MnBr4 transparent scintillation screen (left), and (BTPP)1.8(HTPP)0.2MnBr4 opaque polycrystalline screen (right). Scale bars: 5 mm. The insets show the photos of each scintillation screen. Scale bars: 4 cm. e Curves of the relative gray value distribution of (BTPP)2MnBr4 and (BTPP)1.8(HTPP)0.2MnBr4 transparent scintillation screen, (BTPP)1.8(HTPP)0.2MnBr4 opaque polycrystalline screen and ZnS (Ag): PP commercial screen (extract from Fig. 5d and Supplementary Fig. 29), showing the much finer distinguishable slit of transparent screens (0.1 mm) over commercial ZnS (Ag): PP screen (0.3 mm). f Comparison of the thickness and spatial resolution of (BTPP)1.8(HTPP)0.2MnBr4 transparent scintillation screen and several reported fast neutron scintillation screens7,17,24,26,28,54,55,56,57,58,59,60,61,62(The shadow indicates a decrease in resolution from high to low). g The hydrothermal reactor images by fast neutron imaging with (BTPP)1.8(HTPP)0.2MnBr4 transparent screen, (h), thermal neutron imaging with 6Li ZnS: Cu of PSI and (i), high-energy X-ray industrial CT imaging at 280 kV. Scale bars: 2 cm. j Fast neutron imaging of a very complicated scenario that a thick stainless steel hydrothermal reactor with polymer lining containing liquid and a stir bar. Schematic diagram of the imaging object (left) and the fast neutron imaging (right) of the hydrothermal reactor showing the distinct hierarchical structures of every parts.

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