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Wang, Yongjie; Liu, Zeke; Huo, Nengjie; Li, Fei; Gu, Mengfan; Ling, Xufeng; Zhang, Yannan; Lu, Kunyuan; Han, Lu; Fang, Honghua; Shulga, Artem G; Xue, Ye; Zhou, Sijie; Yang, Fan; Tang, Xun; Zheng, Jiawei; Antonietta Loi, Maria; Konstantatos, Gerasimos; Ma, Wanli
Nature communications, 11/2019, Letnik: 10, Številka: 1Journal Article
Lead sulphide (PbS) nanocrystals (NCs) are promising materials for low-cost, high-performance optoelectronic devices. So far, PbS NCs have to be first synthesized with long-alkyl chain organic surface ligands and then be ligand-exchanged with shorter ligands (two-steps) to enable charge transport. However, the initial synthesis of insulated PbS NCs show no necessity and the ligand-exchange process is tedious and extravagant. Herein, we have developed a direct one-step, scalable synthetic method for iodide capped PbS (PbS-I) NC inks. The estimated cost for PbS-I NC inks is decreased to less than 6 $·g , compared with 16 $·g for conventional methods. Furthermore, based on these PbS-I NCs, photodetector devices show a high detectivity of 1.4 × 10 Jones and solar cells show an air-stable power conversion efficiency (PCE) up to 10%. This scalable and low-cost direct preparation of high-quality PbS-I NC inks may pave a path for the future commercialization of NC based optoelectronics.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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