Results 41 to 50 of about 1,361 (209)

Capillary-Bridge Controlled Patterning of Stable Double-Perovskite Microwire Arrays for Non-toxic Photodetectors

Frontiers in Chemistry, 2020
Single-crystalline lead halide perovskites with remarkable physical properties offer great potential in integrated optoelectronic applications but are restricted by their instability and toxicity.
Yueyang Pi, Jinjin Zhao, Jinjin Zhao, Yingjie Zhao, Yingjie Zhao, Jiangang Feng, Chi Zhang, Hanfei Gao, Hanfei Gao, Yuchen Wu, Lei Jiang, Lei Jiang   +11 more
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Bandgap Engineering and Enhancing Optoelectronic Performance of a Lead-Free Double Perovskite Cs2AgBiBr6 Solar Cell via Al Doping [PDF]

ACS Omega
Asad Ullah, Muhammad Iftikhar Khan, Ihtisham-ul-haq, Badriah S. Almutairi, Dalil Bulayis N. AlResheedi, Jeong Ryeol Choi   +5 more
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Understanding and Controlling the Optoelectronic Properties of Cs2AgBiBr6 Double Perovskite

, 2022
Halide double perovskites have gained significant attention, owing to their composition of low-toxicity elements, stability in air and long charge-carrier lifetimes. In particular, Cs2AgBiBr6 has been the subject of many investigations in photovoltaic devices.
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Mechanochemically synthesized Pb-free halide perovskite-based Cs2AgBiBr6–Cu–RGO nanocomposite for photocatalytic CO2 reduction [PDF]

, 2021
Pb-based halide perovskites have recently showed great potential in various applications such as solar cells, optoelectronics and photocatalysis. Despite their high performance, the Pb2+ toxicity along with poor stability hinders long term applications ...
Eslava, S, Gonzalez-Carrero, S, Hassan, I, Isaacs, MA, Kumar, S, Rattner, E, Regue, M   +6 more
core  

First-principles simulation study on the impact of monovalent Cu ion doping on the crystal structure and electrical properties of lead-free perovskite Cs2AgBiBr6

He jishu
BackgroundLead-free double perovskite Cs2AgBiBr6 has garnered significant attention in the field of nuclear radiation detection as an environmentally friendly material. Experimental observations have revealed that doping Cs2AgBiBr6 with Cu+ significantly
PAN Yangxuan, LIU Yibao, WEI Qianglin, ZHANG Zixiong, LI Kaixuan   +4 more
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Halide double-perovskites: High efficient light emission and beyond [PDF]

, 2023
Lead-free halide double perovskites are stable and versatile materials for a wide range of applications, particularly for lighting, thanks to their very efficient emission of warm white light.
Bongiovanni, Giovanni, Lai, Stefano, Liu, Fang, Marongiu, Daniela, Mura, Andrea, Quochi, Francesco, Saba, Michele, Simbula, Angelica   +7 more
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All-inorganic Cs2AgBiBr6/CuSCN-based photodetectors for weak light imaging [PDF]

Science China Materials, 2020
Weak light imaging has drawn more and more attention because of its promising potential for practical applications in security monitoring and space exploration. In this work, all-inorganic Cs2AgBiBr6 double perovskite-based self-powered photodetectors containing inorganic copper thiocyanate (CuSCN) as hole-transport layers (HTLs) are successfully ...
Genghua Yan, Zhong Ji, Zhuowei Li, Bangqi Jiang, Min Kuang, Xiang Cai, Ye Yuan, Wenjie Mai   +7 more
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Enhancing efficiency in double perovskite solar cells through bandgap reduction via organic polymer doping

Results in Chemistry
The films of polypyrrole (PPy) doped with Cs2AgBiBr6, lead-free halide double perovskite (LFHDP), have been synthesized through a sol–gel method. The X-ray diffraction (XRD) analysis showed the effective doping of PPy, which resulted in larger grain ...
Ihtisham-ul-Haq, M.I. Khan, Ali Mujtaba, Asad Ullah, Badriah Ali, Muhammad Atif, M.S. Hasan   +6 more
doaj   +1 more source

Heteroepitaxial passivation of Cs2AgBiBr6 wafers with suppressed ionic migration for X-ray imaging

Nature Communications, 2019
Ionic migration degrades not only the characteristics of halide perovskite solar cells, but also those of perovskite X-ray detectors. Here Yang et al.
Bo Yang, Weicheng Pan, Haodi Wu, Guangda Niu, Jun-Hui Yuan, Kan-Hao Xue, Lixiao Yin, Xinyuan Du, Xiang-Shui Miao, Xiaoquan Yang, Qingguo Xie, Jiang Tang   +11 more
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Hydrogenated Cs2AgBiBr6 for significantly improved efficiency of lead-free inorganic double perovskite solar cell

Nature Communications, 2022
Though inorganic perovskites are an attractive, non-toxic and stable alternative to organic-inorganic halide perovskite solar cells, realizing efficient devices remains a challenge.
Zeyu Zhang, Qingde Sun, Yue Lu, Feng Lu, Xulin Mu, Su-Huai Wei, Manling Sui   +6 more
doaj   +1 more source