Giant Pressure-Induced Spectral Shift in Cyan-Emitting Eu~(2+)-Activated Sr_8Si_4O_(12)Cl_8 Microspheres for UltrasensitiveVisual Manometry

Teng Zheng; Marcin Runowski; Junpeng XueLaihui LuoUlises R. Rodriguez-MendozaVictor LavinInocencio R. MartinPlacida Rodriguez-HernandezAlfonso MunozPeng Du

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Giant Pressure-Induced Spectral Shift in Cyan-Emitting Eu~(2+)-Activated Sr_8Si_4O_(12)Cl_8 Microspheres for UltrasensitiveVisual Manometry

机译：Giant Pressure-Induced Spectral Shift in Cyan-Emitting Eu~(2+)-Activated Sr_8Si_4O_(12)Cl_8 Microspheres for UltrasensitiveVisual Manometry

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To address the unsatisfactory pressure sensitivity of luminescent manometers,Eu2+-activated supersensitive microspheres operating in the visible range aredeveloped. A series of Eu~(2+)-doped Sr_8Si_4O_(12)Cl_8 materials are synthesized asmicrospheres, and their structural and spectroscopic properties are studiedtheoretically and experimentally. Excited at 350 nm, the samples emit a brightcyan luminescence at ambient conditions that, upon pressure, changes togreen emission and finally to yellow light above 7 Gpa. Most importantly,a huge red-shift of the emission band from 497.3 to 568.8 nm is observedas the pressure increases, leading to an ultrahigh-pressure sensitivity of9.69 nm/Gpa, which is the highest sensitivity ever reported. The designedmicrospheres with polychromatic emissions and high-pressure sensitivity aresuitable for visual optical pressure sensing, and the applied strategy providessome important guidelines for the development of new optical manometers,allowing pressure monitoring with unprecedented accuracy.

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《Advanced functional materials》 |2023年第26期|214663.1-214663.11|共11页
作者
Teng Zheng; Marcin Runowski; Junpeng XueLaihui LuoUlises R. Rodriguez-MendozaVictor LavinInocencio R. MartinPlacida Rodriguez-HernandezAlfonso MunozPeng Du;
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Departamento de FisicaInstituto de Materiales y NanotecnologiaIUdEA & MALTA Consolider TeamUniversidad de La LagunaApdo. Correos 456, San Cristobal de La Laguna, Santa Cruz de TenerifeE-38200, Spain;

School of Physical Science and TechnologyNingbo UniversityNingbo, Zhejiang 315211, China;

School of Physical Science and TechnologyNingbo UniversityNingbo, Zhejiang 315211, China,School of Information and Electrical EngineeringZhejiang University City CollegeHangzhou, Zhejiang 310015, ChinaFaculty of ChemistryAdam Mickiewicz UniversityUniwersytetu Poznanskiego 8, Poznan 61–614, Poland,Departamento de FisicaInstituto de Materiales y NanotecnologiaIUdEA & MALTA Consolider TeamUniversidad de La LagunaApdo. Correos 456, San Cristobal de La LaguDepartamento de FisicaInstituto de Materiales y NanotecnologiaIUdEA & MALTA Consolider TeamUniversidad de La LagunaApdo. Correos 456, San Cristobal de La Laguna, Santa Cruz de TenerifeE-38200, Spain,Department of PhysicsPukyong National UniversityBusan 60;

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正文语种英语
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diamond anvil cell; lanthanides spectroscopy under pressure; optical (luminescence) manometry; rare-earth ions; remote pressure sensors;

Giant Pressure-Induced Spectral Shift in Cyan-Emitting Eu~(2+)-Activated Sr_8Si_4O_(12)Cl_8 Microspheres for UltrasensitiveVisual Manometry

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