Constructing Ultra-Shallow Near-Edge States for Efficient and Stable Perovskite Solar Cells
© 2024 Wiley‐VCH GmbH..
Electronic band structure engineering of metal-halide perovskites (MHP) lies at the core of fundamental materials research and photovoltaic applications. However, reconfiguring the band structures in MHP for optimized electronic properties remains challenging. This article reports a generic strategy for constructing near-edge states to improve carrier properties, leading to enhanced device performances. The near-edge states are designed around the valence band edge using theoretical prediction and constructed through tailored material engineering. These states are experimentally revealed with activation energies of around 23 milli-electron volts by temperature-dependent time-resolved spectroscopy. Such small activation energies enable prolonged carrier lifetime with efficient carrier transition dynamics and low non-radiative recombination losses, as corroborated by the millisecond lifetimes of microwave conductivity. By constructing near-edge states in positive-intrinsic-negative inverted cells, a champion efficiency of 25.4% (25.0% certified) for a 0.07-cm2 cell and 23.6% (22.7% certified) for a 1-cm2 cell is achieved. The most stable encapsulated cell retains 90% of its initial efficiency after 1100 h of maximum power point tracking under one sun illumination (100 mW cm-2) at 65 °C in ambient air.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2024 |
|---|---|
| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:36 |
|---|---|
| Enthalten in: |
Advanced materials (Deerfield Beach, Fla.) - 36(2024), 15 vom: 04. Apr., Seite e2309487 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Zhu, Xueliang [VerfasserIn] |
|---|
| Links: |
|---|
| Themen: |
Band structure engineering |
|---|
| Anmerkungen: |
Date Revised 11.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
|---|
| doi: |
10.1002/adma.202309487 |
|---|
| funding: |
|
|---|---|
| Förderinstitution / Projekttitel: |
|
| PPN (Katalog-ID): |
NLM366652729 |
|---|
| LEADER | 01000caa a22002652 4500 | ||
|---|---|---|---|
| 001 | NLM366652729 | ||
| 003 | DE-627 | ||
| 005 | 20240412232700.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 240108s2024 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.1002/adma.202309487 |2 doi | |
| 028 | 5 | 2 | |a pubmed24n1373.xml |
| 035 | |a (DE-627)NLM366652729 | ||
| 035 | |a (NLM)38174652 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
| 041 | |a eng | ||
| 100 | 1 | |a Zhu, Xueliang |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Constructing Ultra-Shallow Near-Edge States for Efficient and Stable Perovskite Solar Cells |
| 264 | 1 | |c 2024 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Revised 11.04.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2024 Wiley‐VCH GmbH. | ||
| 520 | |a Electronic band structure engineering of metal-halide perovskites (MHP) lies at the core of fundamental materials research and photovoltaic applications. However, reconfiguring the band structures in MHP for optimized electronic properties remains challenging. This article reports a generic strategy for constructing near-edge states to improve carrier properties, leading to enhanced device performances. The near-edge states are designed around the valence band edge using theoretical prediction and constructed through tailored material engineering. These states are experimentally revealed with activation energies of around 23 milli-electron volts by temperature-dependent time-resolved spectroscopy. Such small activation energies enable prolonged carrier lifetime with efficient carrier transition dynamics and low non-radiative recombination losses, as corroborated by the millisecond lifetimes of microwave conductivity. By constructing near-edge states in positive-intrinsic-negative inverted cells, a champion efficiency of 25.4% (25.0% certified) for a 0.07-cm2 cell and 23.6% (22.7% certified) for a 1-cm2 cell is achieved. The most stable encapsulated cell retains 90% of its initial efficiency after 1100 h of maximum power point tracking under one sun illumination (100 mW cm-2) at 65 °C in ambient air | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a band structure engineering | |
| 650 | 4 | |a carrier lifetime | |
| 650 | 4 | |a density function theory calculations | |
| 650 | 4 | |a doping | |
| 650 | 4 | |a perovskite solar cells | |
| 700 | 1 | |a Xiong, Wenqi |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Chong |e verfasserin |4 aut | |
| 700 | 1 | |a Mo, Kangwei |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Man |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Yanyan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Ruiming |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Chen |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yong |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiaoze |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Sheng |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Qianqian |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Shengjun |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zhengyou |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Zhiping |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Advanced materials (Deerfield Beach, Fla.) |d 1998 |g 36(2024), 15 vom: 04. Apr., Seite e2309487 |w (DE-627)NLM098206397 |x 1521-4095 |7 nnns |
| 773 | 1 | 8 | |g volume:36 |g year:2024 |g number:15 |g day:04 |g month:04 |g pages:e2309487 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1002/adma.202309487 |3 Volltext |
| 912 | |a GBV_USEFLAG_A | ||
| 912 | |a GBV_NLM | ||
| 951 | |a AR | ||
| 952 | |d 36 |j 2024 |e 15 |b 04 |c 04 |h e2309487 | ||