DataVXACS Applied Materials & InterfacesPaper
journal article·2025-11-12

Synergistic ECM-TTPBr/PCBA Dual-Molecule Buried-Interface Passivation Enables Highly Efficient Planar Carbon-Based HTL-Free Perovskite Solar Cells

Zhiyang Ju, Wenyan Zhao, Wenying Jiang, Chuanjin Tian, Yumin Liu, Chang-an Wang, Zhipeng Xie, Jionghua Wu

ACS Applied Materials & Interfaces· Volume 17· Issue 45
Publisher page
Source abstract

Abstract

This work proposed a novel strategy utilizing ethoxycarbonyl triphenylphosphonium bromide (ECM-TTPBr) as a copassivator, which significantly improves the solubility of [6,6]-phenyl-C61-butyric acid (PCBA) in chlorobenzene solution to enable uniform coverage of PCBA on the TiO 2 electron transport layer (ETL). The dual-molecule copassivation effect optimizes the interface between the ETL and perovskite layer by reducing interface defects and enhancing ETL conductivity to improve charge extraction and transport efficiency at the interface, while effectively decreasing residual lead iodide clusters at the perovskite film’s bottom interface to smooth the interface and significantly improve physical contact between the perovskite layer and ETL. Owing to this dual interface passivation, the device achieves a photovoltaic conversion efficiency of 19.15% with notably enhanced stability, offering a technically feasible pathway with industrialization potential for developing high-efficiency and stable hole transport layer-free carbon-based perovskite solar cells.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · TiO2 Photocatalysis and Solar Cells · Organic Electronics and Photovoltaics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Jiangxi Key Laboratory of Advanced Ceramic Materials, School of Materials Science and Engineering

Jingdezhen Ceramic University

College of Physics and Information Engineering, Institute of Micro-Nano Devices and Solar Cells

Fuzhou University

National Engineering Research Center for Domestic & Building Ceramics, School of Materials Science and Engineering

State Key Laboratory of New Ceramics Materials, School of Materials Science and Engineering

Tsinghua University

Funding

Jingdezhen Science and Technology Bureau · Education Department of Jiangxi Province · National Natural Science Foundation of China · Natural Science Foundation of Jiangxi Province · National Engineering Research Center for Domestic and Building Ceramics · Major Research Program of Jingdezhen Ceramic Industry · Jiangxi Provincial Postgraduate Innovation Fund · State Key Laboratory of New Ceramic Materials, Tsinghua University

References (53)

Show source-provided references
1. 10.1038/s41467-024-55329-010.1038/s41467-024-55329-0 ↗
2. 10.1016/j.joule.2025.10188010.1016/j.joule.2025.101880 ↗
3. 10.1021/acsami.5c1383610.1021/acsami.5c13836 ↗
4. 10.1038/s41467-019-09167-010.1038/s41467-019-09167-0 ↗
5. 10.1126/science.abo275710.1126/science.abo2757 ↗
6. 10.1088/0256-307X/35/3/03610410.1088/0256-307X/35/3/036104 ↗
7. 10.1021/acsami.5c0573210.1021/acsami.5c05732 ↗
8. 10.1002/adma.20230989010.1002/adma.202309890 ↗
9. 10.1038/s41560-021-00944-010.1038/s41560-021-00944-0 ↗
10. 10.1002/adfm.20180298510.1002/adfm.201802985 ↗
11. 10.1007/s40843-022-2343-710.1007/s40843-022-2343-7 ↗
12. 10.1021/acsami.4c1072610.1021/acsami.4c10726 ↗
13. 10.1021/acsami.3c0976110.1021/acsami.3c09761 ↗
14. 10.1002/adma.20180428410.1002/adma.201804284 ↗
15. 10.1002/anie.20240616710.1002/anie.202406167 ↗
16. 10.1126/science.adk908910.1126/science.adk9089 ↗
17. 10.1002/anie.20230234210.1002/anie.202302342 ↗
18. 10.1002/adfm.20230842810.1002/adfm.202308428 ↗
19. 10.1002/adma.20231023710.1002/adma.202310237 ↗
20. 10.1021/acsami.5c0527910.1021/acsami.5c05279 ↗
21. 10.1016/j.jechem.2023.07.00210.1016/j.jechem.2023.07.002 ↗
22. 10.1007/s40820-024-01639-310.1007/s40820-024-01639-3 ↗
23. 10.1002/aenm.20230228010.1002/aenm.202302280 ↗
24. 10.1126/science.aba089310.1126/science.aba0893 ↗
25. 10.1016/j.jechem.2025.02.00610.1016/j.jechem.2025.02.006 ↗
26. 10.1038/ncomms678410.1038/ncomms6784 ↗
27. 10.1016/j.jpowsour.2024.23613310.1016/j.jpowsour.2024.236133 ↗
28. 10.1021/acsami.4c0166010.1021/acsami.4c01660 ↗
29. 10.1002/adfm.20190533610.1002/adfm.201905336 ↗
30. 10.1002/adma.20190739610.1002/adma.201907396 ↗
31. 10.1002/aenm.20220279910.1002/aenm.202202799 ↗
32. 10.1021/acs.jpcc.6b0392010.1021/acs.jpcc.6b03920 ↗
33. 10.1039/D5EE01486G10.1039/D5EE01486G ↗
34. 10.1021/ja512833n10.1021/ja512833n ↗
35. 10.1002/aenm.20190309010.1002/aenm.201903090 ↗
36. 10.1126/science.aaa533310.1126/science.aaa5333 ↗
37. 10.1021/acsami.0c1473210.1021/acsami.0c14732 ↗
38. 10.1126/science.aay969810.1126/science.aay9698 ↗
39. 10.1021/acsami.3c0567110.1021/acsami.3c05671 ↗
40. 10.1126/science.abb716710.1126/science.abb7167 ↗
41. 10.1038/s41566-023-01247-410.1038/s41566-023-01247-4 ↗
42. 10.1038/s41467-024-51551-y10.1038/s41467-024-51551-y ↗
43. 10.1002/smll.20230182210.1002/smll.202301822 ↗
44. 10.1002/smll.20230878310.1002/smll.202308783 ↗
45. 10.1002/adfm.20240281610.1002/adfm.202402816 ↗
46. 10.1002/adfm.20242446410.1002/adfm.202424464 ↗
47. 10.1016/j.jssc.2025.12529310.1016/j.jssc.2025.125293 ↗
48. 10.1002/aenm.20180313510.1002/aenm.201803135 ↗
49. 10.1002/aenm.20190135210.1002/aenm.201901352 ↗
50. 10.1016/j.jpowsour.2022.23187010.1016/j.jpowsour.2022.231870 ↗
51. 10.1088/0268-1242/27/3/03502410.1088/0268-1242/27/3/035024 ↗
52. 10.1088/0256-307X/32/7/07840110.1088/0256-307X/32/7/078401 ↗
53. 10.1016/j.electacta.2023.14193510.1016/j.electacta.2023.141935 ↗