Nanosecond domain laser flash photolysis system
The laser flash photolysis method is a technique for tracking various high-speed reactions induced by pulsed light, ranging from nanoseconds to seconds, through transient absorption and emission in the ultraviolet, visible, and near-infrared regions. It allows for the analysis of various reaction mechanisms such as photoisomerization of materials and biomolecules, triplet-triplet absorption, phosphorescence, electron transfer, charge separation, energy transfer, photodecomposition, and photoreaction cycles, as well as the evaluation and comparison of related substances and new materials. Our laser flash photolysis system is utilized in cutting-edge fundamental research and development fields, including energy and environmental-related areas such as solar cells and photohydrogen production, as well as in the development of photofunctional materials, coordination chemistry, and biophysics.
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basic information
Features: - Equipped with a pseudo-logarithmic sampling mode that allows for one-shot measurement of transient absorbance from 10 nanoseconds to 1 second in photomultiplier measurements. - Fully automated pulse generator for single wavelength and multi-channel measurements. - Time-resolved spectral changes can be obtained with a single operation. - Reaction rates can be calculated on-site at the time of measurement using wavelength-time axis conversion and nonlinear least squares fitting functions.
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Applications/Examples of results
Examples of Use: - Analysis of solar cell devices - Analysis of photohydrogen generation devices - Analysis of novel metal complexes - Analysis of organic EL materials - Measurement of photochemical properties of organic photochromic molecules - Analysis of photoreaction cycles of visual substances - Observation of singlet oxygen luminescence - Analysis and characterization of reaction mechanisms of artificial hemoproteins and artificial blood - Application to laser-induced temperature jump systems Additionally, we accommodate various options and custom requests.
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Company information
Unisoku was established in 1974 with the aim of becoming a creator of unique measuring instruments. It is a manufacturer that primarily develops and sells its own ultra-high vacuum scanning probe microscopes (SPM) to universities, public institutions, and private companies and research institutes. Over the years, it has developed and commercialized advanced measuring instruments such as high-speed spectroscopic measurement devices and scanning tunneling microscopes, delivering them to universities and research institutions both domestically and internationally, and its technological content has received high praise from researchers in the field of basic research. In recent years, scanning probe microscopes have significantly improved in performance and multifunctionality, particularly as a means of observing sample surfaces at the atomic level. Their applications are expanding mainly from the field of physics to chemistry and bio-related fields, making them indispensable tools in nanotechnology and nanoscience.