Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74%
Grain boundaries (GBs) engineering of hybrid perovskite films is of significance for accessing high performance perovskite solar cells (PSCs), owing to the abundant defect states existed therein originating from the low temperature film processing. Nanocrystals embedding at GBs has shown profound ad...
| Main Authors: | , , , , , , , , , , , , , , |
|---|---|
| Drugi avtorji: | |
| Format: | Journal Article |
| Jezik: | English |
| Izdano: |
2022
|
| Teme: | |
| Online dostop: | https://hdl.handle.net/10356/163290 |
| _version_ | 1826118070462054400 |
|---|---|
| author | Yang, Xiaokun Zhao, Wenhao Li, Mingjie Ye, Linfeng Guo, Pengfei Xu, Youxun Guo, Hang Yu, Huiwu Ye, Qian Wang, Hongyue Harvey, Daniel Shchukin, Dmitry Feng, Minjun Sum, Tze Chien Wang, Hongqiang |
| author2 | School of Physical and Mathematical Sciences |
| author_facet | School of Physical and Mathematical Sciences Yang, Xiaokun Zhao, Wenhao Li, Mingjie Ye, Linfeng Guo, Pengfei Xu, Youxun Guo, Hang Yu, Huiwu Ye, Qian Wang, Hongyue Harvey, Daniel Shchukin, Dmitry Feng, Minjun Sum, Tze Chien Wang, Hongqiang |
| author_sort | Yang, Xiaokun |
| collection | NTU |
| description | Grain boundaries (GBs) engineering of hybrid perovskite films is of significance for accessing high performance perovskite solar cells (PSCs), owing to the abundant defect states existed therein originating from the low temperature film processing. Nanocrystals embedding at GBs has shown profound advantages in carrier dynamics modulation, while the surface defects on nanocrystals in turn lead usually to the trapping of carriers at GBs. The authors herein demonstrate the efficient GBs engineering via laser generated nanocrystals with tailored surface states for improved carriers dynamics and environmental stability of PSCs. The embedding of La doped BaSnO3 (LBSO) nanocrystals with bare surfaces in perovskite provides an additional channel to facilitate the effective carrier extraction and reduce the carrier recombination, leading to a maximum power conversion efficiency (PCE) of 21.11% with negligible hysteresis for the mixed-cation PSCs. To clarify the influence of surface defect states of the laser generated nanocrystals on the performance of PSCs, 1H,1H-perfluorooctylamine is grafted on LBSO nanocrystals during the laser irradiation, resulting in improved champion PCE up to 21.65% and pronounced environmental stability. The universal embedding of the LBSO nanocrystals with tailored surface states in different perovskite by fabricating FAPbI3 PSCs with a champion PCE of 23.74% is further demonstrated. |
| first_indexed | 2024-10-01T04:37:43Z |
| format | Journal Article |
| id | ntu-10356/163290 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:37:43Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1632902022-11-30T05:44:30Z Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74% Yang, Xiaokun Zhao, Wenhao Li, Mingjie Ye, Linfeng Guo, Pengfei Xu, Youxun Guo, Hang Yu, Huiwu Ye, Qian Wang, Hongyue Harvey, Daniel Shchukin, Dmitry Feng, Minjun Sum, Tze Chien Wang, Hongqiang School of Physical and Mathematical Sciences Engineering::Materials Grain Boundaries Nanocrystals Grain boundaries (GBs) engineering of hybrid perovskite films is of significance for accessing high performance perovskite solar cells (PSCs), owing to the abundant defect states existed therein originating from the low temperature film processing. Nanocrystals embedding at GBs has shown profound advantages in carrier dynamics modulation, while the surface defects on nanocrystals in turn lead usually to the trapping of carriers at GBs. The authors herein demonstrate the efficient GBs engineering via laser generated nanocrystals with tailored surface states for improved carriers dynamics and environmental stability of PSCs. The embedding of La doped BaSnO3 (LBSO) nanocrystals with bare surfaces in perovskite provides an additional channel to facilitate the effective carrier extraction and reduce the carrier recombination, leading to a maximum power conversion efficiency (PCE) of 21.11% with negligible hysteresis for the mixed-cation PSCs. To clarify the influence of surface defect states of the laser generated nanocrystals on the performance of PSCs, 1H,1H-perfluorooctylamine is grafted on LBSO nanocrystals during the laser irradiation, resulting in improved champion PCE up to 21.65% and pronounced environmental stability. The universal embedding of the LBSO nanocrystals with tailored surface states in different perovskite by fabricating FAPbI3 PSCs with a champion PCE of 23.74% is further demonstrated. Agency for Science, Technology and Research (A*STAR) Ministry of Education (MOE) Nanyang Technological University National Research Foundation (NRF) X.Y., W.Z., and M.L. contributed equally to this work. This work was financially supported by the project of National Key R&D Program for International Cooperation (2021YFE0115100), the National Natural Science Foundation of China (Nos. 52172101 and 51872240), Shaanxi Province Key Research and Development Program (2021ZDLGY14-08), the Fundamental Research Funds for the Central Universities (3102019JC005), and the Joint Research Funds of Department of Science & Technology of Shaanxi Province and Northwestern Polytechnical University (2020GXLH-Z-018). D.S. thanks financial support from Russian Science Foundation (grant 19-79-30091) provided for sample analysis. M.L., M.F., and T.C.S. acknowledge the financial support from the Nanyang Technological University start-up grant M4080514; the Ministry of Education AcRF Tier 1 grant RG91/19 and Tier 2 grant MOE2017-T2-2-002; the AME Individual Research Grant A1883c0004), Agency for Science, Technology, and Research (A*STAR); and the Singapore National Research Foundation Investigatorship NRF-NRFI-2018-04. 2022-11-30T05:44:30Z 2022-11-30T05:44:30Z 2022 Journal Article Yang, X., Zhao, W., Li, M., Ye, L., Guo, P., Xu, Y., Guo, H., Yu, H., Ye, Q., Wang, H., Harvey, D., Shchukin, D., Feng, M., Sum, T. C. & Wang, H. (2022). Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74%. Advanced Functional Materials, 32(19), 2112388-. https://dx.doi.org/10.1002/adfm.202112388 1616-301X https://hdl.handle.net/10356/163290 10.1002/adfm.202112388 2-s2.0-85124079818 19 32 2112388 en M4080514 RG91/19 MOE2017-T2-2-002 A1883c0004 NRF-NRFI-2018-04 Advanced Functional Materials © 2022 Wiley-VCH GmbH. All rights reserved. |
| spellingShingle | Engineering::Materials Grain Boundaries Nanocrystals Yang, Xiaokun Zhao, Wenhao Li, Mingjie Ye, Linfeng Guo, Pengfei Xu, Youxun Guo, Hang Yu, Huiwu Ye, Qian Wang, Hongyue Harvey, Daniel Shchukin, Dmitry Feng, Minjun Sum, Tze Chien Wang, Hongqiang Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74% |
| title | Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74% |
| title_full | Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74% |
| title_fullStr | Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74% |
| title_full_unstemmed | Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74% |
| title_short | Grain-boundaries-engineering via laser manufactured La-doped BaSnO₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23.74% |
| title_sort | grain boundaries engineering via laser manufactured la doped basno₃ nanocrystals with tailored surface states enabling perovskite solar cells with efficiency of 23 74 |
| topic | Engineering::Materials Grain Boundaries Nanocrystals |
| url | https://hdl.handle.net/10356/163290 |
| work_keys_str_mv | AT yangxiaokun grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT zhaowenhao grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT limingjie grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT yelinfeng grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT guopengfei grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT xuyouxun grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT guohang grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT yuhuiwu grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT yeqian grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT wanghongyue grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT harveydaniel grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT shchukindmitry grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT fengminjun grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT sumtzechien grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 AT wanghongqiang grainboundariesengineeringvialasermanufacturedladopedbasno3nanocrystalswithtailoredsurfacestatesenablingperovskitesolarcellswithefficiencyof2374 |