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Technological parameters of thin-film pulsed laser scribing for perovskite photovoltaics

Clean Energy 2024年第3期8卷 127-135页

作者： Rustam Ishteev Pavel Gostishchev m.riia tiukhova Anton Sorokin Arthur Ishteev Vladimir Kondratenko Laboratory of Precision machining of materials Department of NanoelectronicsInstitute for Advanced Technologies and Industrial ProgrammingRTU MIREAMoscowRussia Research and Practical Clinical Center for Diagnostics and Telemedicine Technologies of the moscow Health Care Department MoscowRussia Laboratory of Advanced Solar Energy(LASE) National University of Science and Technology MISIS4 Leninsky St.MoscowRussia Semenov Federal Research Center of Chemical Physics Russian Academy of Sciences(RAS)4 Kosygina str.MoscowRussia

Over the past decade,the power conversion efficiency of halide perovskite solar cells has shown a rapid increase to 26.1%.The significant efficiency growth and the relative simplification of the technology for obtaining thin-film solar cells due to liquid printing methods determine the high potential for the low-cost perovskite solar cells ***,efficient use of cell geometry is comparable to the size of standard crystalline-Si wafers(156:156 mm and more).Therefore,modular geometry similar to amorphous-Si solar cell approaches is used to scale perovskite solar *** electrical connection of thin-film cells requires precise processing of the conductive layers that form the device p-i-n *** subject of research is the development of a full pulsed laser scribing cycle for inverted perovskite solar *** this work,we propose a study of a laser-patterning technology In_(2)O_(3):SnO_(2)(ITO)conductive layer and a photoactive perovskite layer Cs0,2(CH(NH_(2))_(2))_(0,8)PbI_(3).Process regimes of transparent conducting electrodes based on ITO and halide perovskite layer Cs_(0,2)(CH(NH_(2))_(2))_(0,8)PbI_(3)laser patterning were *** optimal parameters for the multipass mode processing of ITO and perovskite layer were *** cell was electrically isolated at a scribe line width of 30μm.

关键词： patterning perovskite solar cell perovskite solar cell photovoltaics scribing

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Visible auto-fluorescence in biological fluids as biomarker of pathological processes and new monitoring tool

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Journal of Innovative Optical Health Sciences 2015年第3期8卷 19-27页

作者： A.Kuznetsov A.Frorip A.maiste m.Ots-Rosenberg A.Sünter LDiamon AS Tartu Science Park 181 A.Riia st51014 Tartu Tartu University Ulikooli1850090 TartuEstonia

Comparative optical study of biofluids(serum,urine,hemodialyste)by concentration change ofendogenous visible fluorescence substance(VFS)has been carried *** were collectedfrom chronic kidney diseases(CKD)patients(Pts)_as well as from healthy controls(HCs).Exeitation/emission spectra are similar for all samples of biofluids differing only in intensity,which is higher for CKD *** similarity enables the study of given biofluids from a unitedphysical platform,proposed earlier,i.e.,as nanoparticles *** spectral redistribu-tion of visible fluorescence(VF)intensity as a result of dilution is *** concentrationchange of VFS by dilution of samples manifests in nonlinear dependences in the scales"VFintensity-concentration"for serum and urine and in perfect linearity for hemodialysate(HD).The latter fact can be used in monitoring of hemodialysis procedure.

关键词： Serum urine hemodialysate nanoassociates graphene

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Spectroscopic study of the Pr-doped BiBO glass and Ca_4GdO(BO_3)_3 single crystals

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Journal of Rare Earths 2009年第4期27卷 612-615页

作者： A.majchrowski m.G.Brik G.A.Kumar K.Ozga I.Sildos A.Suchocki A.lezak T.Lukasiewicz I.V.Kityk Institute of Applied Physics military University of Technology Kaliskiego Warsaw 00-908 Poland Institute of Physics University of Tartu Riia 142 Tartu 51014 Estonia Department of material Science and Engineering The State University of New Jersey NJ 08854-8065 USA Institute of Biology and Biophysics Czestochowa University of Technology Al.Armii Krajowej 36B Czestochowa 42-200 Poland Institute of Physics Polish Academy of Science Al.Lotników 32/46 Warsaw 02-668 Poland Institute of Electronic materials Technolog Wolczanska 133 Warsaw 01-919 Poland Electrical Engineering Department Technological University of Czestochowa Al.Armii Krajowej 17/19 Czestochowa Poland

Detailed spectroscopic studies of Pr3＋ ions in BiBO glass and Ca4GdO（BO3）3 crystal were performed. Experimental absorption spectra were measured at room temperature and assigned. The first principles discrete variational multielectron method was used to model the polarized absorption spectra of the Ca2GdO（BO3）3：Pr3＋; without any fitting parameters, the overall appearance of the spectra was reproduced satisfactorily. The energy intervals between different molecular orbitals in the [PrO6] cluster were estimated. The conventional Judd-Ofelt theory was used to calculate the oscillator strengths of the 4f-4f transitions in the BiBO：Pr3＋ system; the set of the phenomenological intensity parameters was determined.

关键词： rare earth doped materials praseodymium absorption spectra

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