Progress and challenges on scaling up of perovskite solar cell technology

Abstract

Since the first application of a metal halide perovskite (PVK) absorber in a solar cell, these materials have drawn a great deal of attention in the photovoltaic (PV) community, showing...

Procedure Based on External Quantum Efficiency for Reliable Characterization of Perovskite Solar Cells

“…[4] PSC technologies are now facing stability and upscaling issues to make commercialization feasible. [5,6] Alongside, as PSCs present measurement challenges, there is increasing attention toward defining best practices for measuring and reporting their performance while also working toward standardized protocols. [7][8][9][10][11][12][13] In this context, the role of the external quantum efficiency (EQE) is debated.…”

A nanofibrillar conjugated polymer film as an interface layer for high-performance CsPbIBr2 solar cells with efficiency exceeding 11%

“…Metal halide perovskites exhibit excellent optoelectronic characteristics, including tunable bandgaps, strong light absorption coefficient, long carrier lifetime, long carrier diffusion length, and high defect tolerance. [1][2][3][4][5] They have been widely employed in numerous elds, such as solar cells, [6][7][8]48 light-emitting diodes, 9 lasers, 10,11 detectors, 12 etc. The perovskite solar cell (PSC) has achieved a certied power conversion efficiency (PCE) of 25.7%, 13 making it one of the most potential photovoltaic technologies in the future.…”

Fabrication of High-Performance Solar Cells and X-ray Detectors Using MoX2@CNT Nanocomposite-Tuned Perovskite Layers

“…Photovoltaic (PV) fabrication using perovskites has garnered much interest among the research community because of the rapid renewable/clean energy demand owing to its low leakage currents, simple manufacturing process via solution processing, high power conversion efficiency (PCE), high electron/hole mobilities (1–10 cm 2 V –1 s –1 ), stable hysteresis effects, flexible substrate compatibility, direct optical band gap (∼1.5 eV), and long carrier diffusion length (100 nm to 1 μm). − The mostly used perovskite-structured compound is composed of hybrid inorganic/organic lead or tin halide-based material and has high light-absorbing characteristics, low nonradiative recombination loss, and high defect tolerance. , On the other hand, X-ray detection technology has been widely used in various applications such as medical diagnostic imaging, dosimetry, industrial inspection testing, and security/defense. Recently, perovskites have larger advantages over nonflexible and expensive silicon, mercury­(II) iodide HgI 2 , amorphous selenium, thallium­(I) bromide, cadmium zinc telluride-based detectors, and so on. , Furthermore, traditional X-ray detectors have different complications such as inflexibility, difficult to be prepared at a large scale or reproducibility, radioluminescence afterglow, low light decay time, working at high operating voltage, and environmental stability. , Perovskite-based X-ray detectors have numerous appealing features, including the defect-tolerant nature, long carrier lifetime, excellent carrier mobilities, low trap density, easy ionic migration, long exciton diffusion length, reproducible response, and excellent optical properties. , Hence, rigorous research works have been made to enhance the efficiency of PSCs and performances of detectors through the modification of composition, methodology, and interface design. , The band gap alignment through external ion doping with halide ions offers an operative way to modulate the energy-level synchronization to realize the improved characteristics.…”

“…8,11 Hence, rigorous research works have been made to enhance the efficiency of PSCs and performances of detectors through the modification of composition, methodology, and interface design. 12,13 The band gap alignment through external ion doping with halide ions offers an operative way to modulate the energy-level synchronization to realize the improved characteristics.…”