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Using Terahertz Spectrometry to Study the Thermal Decomposition of Energy Materials
摘要： This paper describes experimental results on using nonstationary spectrometry in a terahertz frequency range to determine the composition of gaseous products of decomposition of energy materials. Dependences of analytical signals on lines of the main products of ammonium nitrate and PETN decomposition on time are obtained.
关键词： terahertz spectrometry,energy materials,ammonium nitrate,PETN,thermal decomposition,decomposition kinetics,decomposition products
更新于2025-09-11 14:15:04
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Optical and photoelectrochemical properties of Cu2SrSnS4 thin film fabricated by a facial ball-milling method
摘要： Earth-abundant and non-toxicity quaternary chalcogenide Cu2SrSnS4 is prepared by a facial ball-milling method. Its formation is revealed to be from the reaction between Cu2SnS3 and SrS at 600 oC. The bandgap of the prepared Cu2SrSnS4 film is speculated around 1.78 eV according to absorption test. The carrier lifetime of the prepared Cu2SrSnS4 film is about 2.06 ns. The photocurrent density of the Cu2SrSnS4 film is about 150 at -670 mV bias vs Ag/AgCl electrode and it repeats after 10 cycles of 1000 s. Its notable generation of photocurrent and photoelectrochemical stability indicates its potential for photoelectric conversion application.
关键词： Ball-milling,Thin films,Solar cell,Cu2SrSnS4,Optical,Solar energy materials
更新于2025-09-10 09:29:36