Abstract Metal halide perovskites have fascinated the research community over past decade, and demonstrated unprecedented success in optoelectronics. In particular, perovskite single crystals emerged as promising candidates for ionization radiation detection, due to excellent opto-electronic properties. However, most of reported are grown organic solvents require high temperature. this work, we develop a low-temperature crystallization strategy grow CsPbBr 3 water. Then, carefully...

The detection of light, one the most important technologies, has widespread applications in industry and our daily life, e.g., environmental monitoring, communications, surveillance, image sensors, advanced diagnosis. Along with remarkable progress field organics, those based on quantum dots, recently emerged perovskite optoelectronics, photodetectors these solution-processable semiconductors have shown unprecedented success. In this review, we present basic operation mechanism...

Abstract Organic semiconductors have attracted tremendous attention in the past few years, thanks to their excellent flexibility, solution‐processability, low‐cost, chemical versatility, etc. Particularly, organic solar cells based on ternary heterojunctions shown remarkable device performance, with recent development of nonfullerene acceptor materials. These novel materials are also promising for photodetection. However, there several key limits facing photodetectors, such as relatively...

Abstract Chalcogenide‐based semiconductors have recently emerged as promising candidates for optoelectronic applications, mainly benefiting from their facile and low‐cost processability, chemical versatility, tunable properties. Despite the recent success of chalcogenide‐based thin‐film photovoltaics, they been barely leveraged in photodetection, due to complicated charge transport related trap states. In addition, most chalcogenide photodetectors are reported broadband, visible which is but...

Abstract Organic scintillators have recently gained considerable attentions in X‐ray detection for their potential applications biomedical radiograph and security inspection. However, the weak absorption and/or inefficient exciton utilization limited development commercialization of organic scintillators. Currently, high‐performance are scarce with dual triplet‐harvesting channels not been explored before. Here, we develop several proof‐of‐concept sulfone‐based molecules, C1–C7 , using...

X-ray detection is widely utilized in our daily life, such as medical diagnosis, security checking, and environmental monitoring. However, most of the commercial detectors are based on inorganic semiconductors, e.g., Si, CdTe, Ge, which require complex costly fabrication processes. Metal halide perovskites have recently emerged a set promising candidates for ionizing radiation detection, owing to high attenuation coefficient, long carrier lifetime, excellent charge transport properties....

Abstract Short‐wavelength infrared photo‐sensing materials are dominated by germanium, indium gallium arsenide, antimonide, and mercury cadmium telluride. However, the complex fabrication process high production cost hinder their widespread applications. Recently, Te x Se 1‐x has shown great potential for photodetection, but ‐based devices still suffering from extremely dark current poor device performance. In this work, high‐quality films fabricated thermal evaporation low‐temperature...

Recently, two-dimensional layered perovskites have emerged as effective additives for stabilizing conventional three-dimensional metal halide perovskites. With the addition of perovskites, perovskite-based devices also exhibited enhanced optoelectronic properties, such reduced nonradiative recombination and ionic migration, strengthened crystallinity, anisotropic charge transport. However, influence large organic cations on performance metrics photodiodes is not fully understood. In this...

Abstract Thanks to attractive properties, such as defect tolerance, broad bandgap tunability, high quantum yields, and large absorption coefficient, perovskites have emerged a star material in the past decade. Meanwhile, optical nano/microstructures made of offer facile efficient strategy improve light‐harvesting performance sensitivity polarization. However, there is no low‐cost, high‐accuracy, reproducibility technique for large‐scale fabrication perovskite nano/microstructures. Here,...

Photomultiplication-type organic photodetectors have emerged as a class of next generation solution-processed with high gain. Despite this promising feature, the reported photodectors still suffer from relatively large dark currents at bias voltages. To overcome drawback, mechanistic understanding photomultiplication effect in photodiodes is required. In work, we advanced performance photomultiplication-type by tuning active layer composition and interfacial layers. The optimized devices...

Abstract Antimony sulfide (Sb 2 S 3 ), a binary chalcogenide, has recently emerged as promising candidate for photovoltaics due to its high absorption coefficient, facile processing, and lower toxicity. However, high‐performance photodiodes based on Sb have not been achieved systematically investigated. Herein, ‐based conventional inverted structures are developed, their charge transport spectral dependent quantum efficiency of these two types devices carefully modulated. After optimization,...

Abstract Metal halide perovskites have recently emerged as exceptional scintillator materials for ionizing radiation detection devices. Their chemical composition consists of elements with high atomic numbers, leading them to a attenuation coefficient. coefficient, in combination their excellent optoelectronic properties, versatile tunability, and facile low‐cost fabrication processes, makes the ideal material. However, existing perovskite‐based scintillators suffer from poor material...

AgBiS₂-based photodetectors were fabricated <italic>via</italic> solution-process, and exhibited broadband spectral response, a fast speed of 700 ns outstanding air, light water stability.

Abstract Hybrid organic–inorganic perovskites have made considerable progress for optoelectronic applications in recent years. In particular, novel hybrid and materials combinations been devised to overcome the device stability challenges. Recently, pseudohalide salts emerged as promising additives enhance long‐term of photovoltaic devices. It is found that these ions can effectively passivate crystal grains hinder degradation, which also places a very interesting space consideration...

Abstract Recently, metal 1halide perovskites have shown compelling optoelectronic properties for both light‐emitting devices and scintillation of ionizing radiation. However, conventional lead‐based halide are still suffering from poor material stability relatively low X‐ray light yield. This work reports cadmium‐based all‐inorganic halides systematically investigates the influence ion incorporation on properties. introduces bi‐metal strategy successfully enhances photoluminescence quantum...

Whispering gallery mode microlasers based on evaporated perovskite films were fabricated by femtosecond laser direct writing with ultra-low threshold.

Abstract To obtain high‐performance organic near‐infrared (NIR) photodetectors, it is essential to suppress the noise current. Here, NIR photodetectors based on a multilayered structure fabricated by water transfer printing strategy are reported. These devices comprise small molecule electron‐accepting layer (IEICO‐4F) and several repeating polymers stacked electron‐donating layers (PTB7‐Th). polymer prepared onto substrate transferred target directly, working as an moiety also electron...

Perovskite solar cells are one of the most promising thin-film photovoltaic techniques, which have an unprecedented progress in last decade. It is well-recognized perovskite community that nonradiative recombination losses and open-circuit voltage deficit dominant limiting factors to further improve device efficiency. Recently, multiple groups reported lead iodide can effectively passivate both grain boundaries interfaces between charge transport layers. However, excess PbI2 was processed...

Thick junction perovskite photodiodes are achieved with decent broadband photoresponse, enhanced device stability and compelling fast response of 800 ns.