UV-vis-NIR absorption spectroscopy was conducted on a PerkinElmer Lambda 1050 spectrophotometer at various temperatures for both solution and solid states. Steady-state photoluminescence spectra were recorded though an Edinburgh Instruments FLSP920 double-monochromator luminescence spectrometer equipped with a nitrogen-cooled near-IR sensitive photomultiplier (Hamamatsu).
Nitrogen cooled near ir sensitive photomultiplier
Manufactured by Hamamatsu Photonics
The nitrogen-cooled near-IR sensitive photomultiplier is a specialized piece of lab equipment designed to detect and amplify low-level near-infrared light signals. It utilizes a photocathode sensitive to near-infrared wavelengths and a cryogenic cooling system to minimize dark current, enabling high-sensitivity detection of faint near-IR signals.
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2 protocols using nitrogen cooled near ir sensitive photomultiplier
1
Spectroscopic Characterization of Materials
2
Characterization of Thin Film Materials
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A PerkinElmer Lambda 1050 spectrophotometer was used to measure UV–vis–NIR absorption for solution and thin films, and an Edinburgh Instruments FLSP920 double‐monochromator luminescence spectrometer, equipped with a nitrogen‐cooled near‐IR sensitive photomultiplier (Hamamatsu), was utilized to record corresponding photoluminescence. 2D‐GIWAXS was performed based on a Xenocs‐SAXS/WAXS system, where the X‐ray wavelength was 1.5418 Å and the fixed angle was 0.2° for X‐ray irradiation. Before measurement, the thin films spin‐coated from various solutions were annealed at 100°C for 30 min to remove residual solvent.
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