Room-temperature multiple ligands-tailored SnO<sub>2</sub> quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high <italic style="font-style: italic">V</italic><sub>OC</sub>

Zhiwei Ren; Kuan Liu; Hanlin Hu; Xuyun Guo; Yajun Gao; Patrick W. K. Fong; Qiong Liang; Hua Tang; Jiaming Huang; Hengkai Zhang; Minchao Qin; Li Cui; Hrisheekesh Thachoth Chandran; Dong Shen; Ming-Fai Lo; Annie Ng; Charles Surya; Minhua Shao; Chun-Sing Lee; Xinhui Lu; Frédéric Laquai; Ye Zhu; Gang Li

doi:10.1038/s41377-021-00676-6

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Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC

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- Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC
- Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC
- LSA 2021年10卷第12期页码：2467-2481
- Affiliations：
  
  1.Department of Electronic and Information Engineering, Research Institute for Smart Energy (RISE), Guangdong-Hong Kong-Macao (GHM) Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
  2.Department of Electrical and Computer Engineering, Nazarbayev University, Nur-Sultan, Kazakhstan
  3.The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518057, China
  4.Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, 7098 Liuxian Boulevard, Shenzhen 518055, China
  5.Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
  6.Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
  7.King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE), Thuwal 23955-6900, Kingdom of Saudi Arabia
  8.Department of Physics, The Chinese University of Hong Kong, Shatin 999077, Hong Kong, China
  9.Center of Super-Diamond and Advanced Films (COSDAF), Department of Chemistry, City University of Hong Kong, Hong Kong, China
- Author bio：
  
  Hanlin Hu (hanlinhu@szpt.edu.cn)
  Gang Li (gang.w.li@polyu.edu.hk)
- Funds：
- DOI：10.1038/s41377-021-00676-6
  中图分类号：
- 纸质出版日期：2021-12-31，
  
  网络出版日期：2021-12-02，
  
  收稿日期：2021-08-03，
  
  修回日期：2021-10-18，
  
  录用日期：2021-11-03
- Accepted：
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Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC[J]. LSA, 2021,10(12):2467-2481.

Ren, Z. W. et al. Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC. Light: Science & Applications, 10, 2467-2481 (2021).
Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC[J]. LSA, 2021,10(12):2467-2481. DOI： 10.1038/s41377-021-00676-6.

Ren, Z. W. et al. Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC. Light: Science & Applications, 10, 2467-2481 (2021). DOI： 10.1038/s41377-021-00676-6.

摘要

Abstract

The benchmark tin oxide (SnO

) electron transporting layers (ETLs) have enabled remarkable progress in planar perovskite solar cell (PSCs). However

the energy loss is still a challenge due to the lack of "hidden interface" control. We report a novel ligand-tailored ultrafine SnO

quantum dots (QDs)

via

a facile rapid room temperature synthesis. Importantly

the ligand-tailored SnO

QDs ETL with multi-functional terminal groups in situ refines the buried interfaces with both the perovskite and transparent electrode

via

enhanced interface binding and perovskite passivation. These novel ETLs induce synergistic effects of physical and chemical interfacial modulation and preferred perovskite crystallization-directing

delivering reduced interface defects

suppressed non-radiative recombination and elongated charge carrier lifetime. Power conversion efficiency (PCE) of 23.02% (0.04 cm

) and 21.6% (0.98 cm

loss: 0.336 V) have been achieved for the blade-coated PSCs (1.54 eV

) with our new ETLs

representing a record for SnO

based blade-coated PSCs. Moreover

a substantially enhanced PCE (

) from 20.4% (1.15 V) to 22.8% (1.24 V

90 mV higher

0.04 cm

device) in the blade-coated 1.61 eV PSCs system

via replacing the benchmark commercial colloidal SnO

with our new ETLs.

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Room-temperature multiple ligands-tailored SnO2 quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high VOC

Room-temperature multiple ligands-tailored SnO2 quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high VOC

DOI：10.1038/s41377-021-00676-6

摘要

Abstract

关键词

Keywords

references

Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC

Room-temperature multiple ligands-tailored SnO₂ quantum dots endow in situ dual-interface binding for upscaling efficient perovskite photovoltaics with high V_OC