![]() Thinness‐ and shape‐controlled growth for ultrathin single‐crystalline perovskite wafers for mass production of superior photoelectronic devices. Perovskite CH 3NH 3PbI 3 (Cl) single crystals: rapid solution growth, unparalleled crystalline quality, and low trap density toward 10 8 cm –3. ![]() Purification of CdZnTe by electromigration. Crystal growth of the perovskite semiconductor CsPbBr 3: a new material for high-energy radiation detection. Thermodynamic stability and defect chemistry of bismuth-based lead-free double perovskites. Insights into cationic ordering in Re-based double perovskite oxides. The contribution of structural disorder to diffuse phase transitions in ferroelectrics. Cs 2AgBiX 6 (X=Br, Cl): new visible light absorbing, lead-free halide perovskite semiconductors. XCOM: Photon Cross Sections Database: NIST Standard Reference Database 8 (NIST, 2013) Ionic transport in hybrid lead iodide perovskite solar cells. Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals. ![]() A bismuth-halide double perovskite with long carrier recombination lifetime for photovoltaic applications. Harmonized guidelines for single-laboratory validation of methods of analysis (IUPAC Technical Report). Selenium direct-converter structure for static and dynamic X-ray detection in medical imaging applications. Radiation Safety for Personnel Security Screening Systems Using X-Ray or Gamma Radiations (HPS, 2009) Directive 2011/65/EU of the European Parliament and of the Council on the restriction of the use of certain hazardous substances in electrical and electronic equipment. Toxicity of organometal halide perovskite solar cells. Single crystals of caesium formamidinium lead halide perovskites: solution growth and gamma dosimetry. Detection of X-ray photons by solution-processed lead halide perovskites. Monolithic integration of hybrid perovskite single crystals with heterogenous substrate for highly sensitive X-ray imaging. Sensitive X-ray detectors made of methylammonium lead tribromide perovskite single crystals. ![]() X-ray imaging: perovskites target X-ray detection. Amorphous and polycrystalline photoconductors for direct conversion flat panel X-ray image sensors. In addition, energy-resolved gamma ray detection using FAPbI 3 (where FA is NH 2CH=NH 2 +) SCs and Cs 0.1FA 0.9PbI 2.8Br 0.2 SCs have also been successfully demonstrated 8, 9. Very recently, Huang and co-workers reported a further breakthrough by monolithically integrating MAPbBr 3 SCs with a Si substrate to obtain sensitive X-ray imaging 7. Sensitive X-ray detectors employing either MAPbI 3 (where MA is CH 3NH 3 +) thin films or MAPbBr 3 SCs have been reported, achieving an impressive sensitivity of 2.1 × 10 4 ♜ Gy air −1 cm –2, significantly outperforming commercial α-Se X-ray detectors 5, 6, 7. Among the various semiconductors explored for direct X-ray detection, the recently described organic–inorganic hybrid lead halide perovskites have demonstrated many exceptional properties, such as large X-ray attenuation coefficient, high carrier drift length per unit electric field (the μτ product, where μ is the carrier mobility and τ is the carrier lifetime), low-cost solution growth of single crystals (SCs), and easy integration with silicon electronics for imaging applications. Compared with indirect strategies that involve conversion of X-ray into photons by scintillating phosphors and subsequent detection by photodiodes, direct conversion of X-ray radiation into an electrical signal enables higher spatial resolution and a simpler system configuration 4. X-ray detection is of great interest for a range of applications, including non-destructive product inspection, medical diagnostics and scientific research 1, 2, 3. ![]()
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