List of Articles پروسکایت

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  1 - Synthesis of Calcium Titanate Nanoparticles via MASHS
  S.A. Manafi M. Jafarian
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  2 - Grain Size Determination of BaTiO3 Nanostructures Prepared by Mechanical Alloying Method
  S.A. Manafi
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  3 - Synthesis and Investigation of LaMnO3 perovskite anoparticles Prepared by Solid State Method
  S.A. Manafi M. Rezaei-Kalaj S. Joughehdoust I. Farahbakhsh
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  4 - Polymeric Sol-gel Method to Preparation LaNi0.6Fe0.4O3 and LaNiO3 Perovskite Nanostructures
  F. Azizi K. Arzani M. Tamizifar S. Baghshahi A. Khanfekr
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  5 - مروری بر سلول‌های خورشیدی پروسکایت هالید فلز-آلی: چالش‌ها و فرصت‌ها
  محمد بادروج
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  6 - مروری بر سلول‌های خورشیدی پروسکایت هالید فلز-آلی: ساختار، معماری و روش‌های ساخت
  محمد بادروج
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  7 - A comprehensive review of corrosion prevention methods for perovskite solar cells
  Majid Mirzaee Tayyebeh Mohebbi Alimorad rashidi
  10.30495/jacr.2023.1991514.2142
  In recent years, perovskite solar cells (PSCs) have been considered one of the most promising photovoltaic technologies due to their affordability and excellent performance. However, perovskites are sensitive to parameters such as humidity, oxygen, temperature, and elec More

  In recent years, perovskite solar cells (PSCs) have been considered one of the most promising photovoltaic technologies due to their affordability and excellent performance. However, perovskites are sensitive to parameters such as humidity, oxygen, temperature, and electrical bias. Changes in the composition and structure of materials from the precursor to the resulting perovskite lead to various defects. During long-term operation, these defects often act as the initiation of degradation to deteriorate PSC performance. A series of methods have been developed to prevent contact between the corrosive environment and perovskite. For this purpose, various techniques have been designed to control these parameters, which include removing corrosion sites during construction, eliminating corrosion sites during machine operation, and preventing contact between the corrosive environment and perovskite. In this review, the lifetime of PSC is discussed from the point of view of corrosion science. Finally, the use of a series of anti-corrosion strategies (passivation, surface coating, machining) in corrosion science significantly increases the stability of perovskite cells. Manuscript profile
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  8 - سنتز و شناسایی نانوکاتالیست‌های پروسکایتی Mg1-xZrxNiO3 به‌منظور استفاده در فرایند تبدیل خشک متان
  نوشین طلایی حمیدرضا آقابزرگ موید حسینی صدر کریم زارع
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  9 - Effect of WO3 on the sintering behavior, microstructure, and dielectric loss of Ba(Co1/3Nb2/3)O3 Ceramics
  Negin Mazrooei Ahmad Sayyadi-Shahraki
  10.30495/apme.2021.681601
  In the present work, effect of WO3 dopant on the sintering behavior, microstructure evolution, and microwave dielectric loss of Ba(Co1/3Nb2/3)O3 ceramics were systematically investigated. (1-x) Ba(Co1/3Nb2/3)O3 – (x) WO3 compounds, where x=0, 0.002, 0.004, 0.008, More

  In the present work, effect of WO3 dopant on the sintering behavior, microstructure evolution, and microwave dielectric loss of Ba(Co1/3Nb2/3)O3 ceramics were systematically investigated. (1-x) Ba(Co1/3Nb2/3)O3 – (x) WO3 compounds, where x=0, 0.002, 0.004, 0.008, and 0.02, were prepared by the conventional solid state synthesis route followed by sintering at 1300-1450ºC for 10h at air atmosphere. Solid solution limit of WO3 oxide in the Ba(Co1/3Nb2/3)O3 compound and formation of any secondary phase were determined by X-ray diffraction (XRD) technique. In addition, the obtained XRD patterns were simulated by Rietveld refinement and degree of 1:2 cation ordering was calculated based on the refinement results. Scanning electron microscopy (SEM) was employed to study microstructural development of the ceramic samples and to directly identify secondary phase formation and their morphology. XRD results demonstrated that WO3 could solve into Ba(Co1/3Nb2/3)O3 structure for x<0.02, while detailed investigation by SEM directly indicated that even for Ba(Co1/3Nb2/3)O3 – 0.002 WO3 (x=0.002) composition additional phases were precipitated during high-temperature sintering. According to the XRD results, it was found that BaWO4, and Ba9CoNb14O45 compounds were formed as secondary phases. On the other hand, Rietveld refinement simulation showed that addition of WO3 into Ba(Co1/3Nb2/3)O3 results in a significant decline in the 1:2 cation ordering degree, where it was deceased from 95% to 59% when x was increased from x=0 to x=0.02. Quality factor, Q, (inverse of dielectric loss, 1/tanδ) of the prepared ceramics were measured at the microwave frequency range and it was found that incorporation of WO3 noticeably lowered the quality factor of Ba(Co1/3Nb2/3)O3 materials, where Q×f (f denotes resonance frequency) was measured to be 61,000 GHz for x=0 composition, whereas, measurements did not show any resonant peaks for x=0.02 ceramics, which means the ceramics suffer from a huge microwave dielectric loss. Manuscript profile