![]() Liu CK, Tai Q, Wang N, Tang G, Loi HL et al (2019) Sn-based perovskite for highly sensitive photodetectors. Lu J, Guan X, Li Y, Lin K, Feng W et al (2021) Dendritic CsSnI 3 for efficient and flexible near-infrared perovskite light-emitting diodes. Ĭonings B, Drijkoningen J, Gauquelin N, Babayigit A, D’Haen J et al (2015) Intrinsic thermal instability of methylammonium lead trihalide perovskite. Lee JW, Choi H, Hwang UK, Kang JC, Kang YJ et al (2019) Toxic effects of lead exposure on bioaccumulation, oxidative stress, neurotoxicity, and immune responses in fish: a review. Int J Environ Res Public Health 17(7):2179. Kumar A, Kumar A, MSC M, Chaturvedi AK, Shabnam AA et al (2020) Lead toxicity: health hazards, influence on food chain, and sustainable remediation approaches. ĭong Y, Zou Y, Song J, Zhu Z, Li J et al (2016) Self-powered fiber-shaped wearable omnidirectional photodetectors. Ĭai S, Xu X, Yang W, Chen J, Fang X (2019) Materials and designs for wearable photodetectors. Wu X, Li E, Liu Y, Lin W, Yu R et al (2021) Artificial multisensory integration nervous system with haptic and iconic perception behaviors. ĭong K, Zhou H, Shao W, Gao Z, Yao F et al (2023) Perovskite-like Silver halide single-crystal microbelt enables ultrasensitive flexible X-ray detectors. Shuang Z, Zhou H, Wu D, Zhang X, Xiao B et al (2022) High-performance Ag 2BiI 5 Pb-free perovskite photodetector. Xiao Z, Song Z, Yan Y (2019) From lead halide perovskites to lead-free metal halide perovskites and perovskite derivatives. Wang R, Wang J, Tan S, Duan Y, Wang Z-K et al (2019) Opportunities and challenges of lead-free perovskite optoelectronic devices. Schileo G, Grancini G (2021) Lead or no lead? Availability, toxicity, sustainability and environmental impact of lead-free perovskite solar cells. Miyasaka T, Kulkarni A, Kim GM, Öz S, Jena AK (2019) Perovskite solar cells: can we go organic-free, lead-free, and dopant-free? Adv Energy Mater 10(13):1902500. Siddik A, Haldar PK, Paul T, Das U, Barman A et al (2021) Nonvolatile resistive switching and synaptic characteristics of lead-free all-inorganic perovskite-based flexible memristive devices for neuromorphic systems. Guo TM, Gong YJ, Li ZG, Liu YM, Li W et al (2022) A new hybrid lead-free metal halide piezoelectric for energy harvesting and human motion sensing. Lei H, Hardy D, Gao F (2021) Lead-free double perovskite Cs 2AgBiBr 6: fundamentals, applications, and perspectives. ![]() Li J, Duan J, Yang X, Duan Y, Yang P et al (2021) Review on recent progress of lead-free halide perovskites in optoelectronic applications. Our results suggest a feasible method and indicate the promising application of Cs 2AgBiBr 6 films for flexible photovoltaic devices. To our knowledge, this is one of the lowest temperature fabrication processes for high performance flexible Cs 2AgBiBr 6 devices. The material properties, device performances and doping mechanism are systematically discussed in the paper. Such good performance can be maintained even at 120 ☌ fabrication process. The corresponding flexible photodetectors exhibit favorable self-power characteristics and satisfying photoelectric performance with high detectivity of > 10 10 Jones, μs level response speed and large LDR over 110 dB. Herein, we developed a Mn doping solution route for Cs 2AgBiBr 6 perovskite which is the first reported element doping process that can effectively improve the film quality under low annealing temperature. However, high annealing temperature (> 250 ☌) process is widely used and low temperature synthesis of high-quality Cs 2AgBiBr 6 is still a big challenge, which limits the development toward flexible device. All-inorganic Cs 2AgBiBr 6 film is one of most promising materials in the perovskite family for long-term daily life photodetection applications, due to its fairly nice stability and lead-free nontoxic property.
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