Polar Aromatic Two-dimensional Dion-Jacobson Halide Perovskites for Efficient Photocatalytic H2 Evolution
© 2024 Wiley‐VCH GmbH..
Polar materials with spontaneous polarization (Ps) have emerged as highly promising photocatalysts for efficient photocatalytic H2 evolution owing to the Ps-enhanced photogenerated carrier separation. However, traditional inorganic polar materials often suffer from limitations such as wide band gaps and poor carrier transport, which hinders their photocatalytic H2 evolution efficiency. Here, we rationally synthesized a series of isostructural two-dimensional (2D) aromatic Dion-Jacobson (DJ) perovskites, namely (2-(2-Aminoethyl)pyridinium)PbI4 (2-APDPI), (3-(2-Aminoethyl)pyridinium)PbI4 (3-APDPI), and (4-(2-Aminoethyl)pyridinium)PbI4 (4-APDPI), where 2-APDPI and 4-APDPI crystalize in polar space groups with piezoelectric constants (d33) of approximately 40 pm V-1 and 3-APDPI adopts a centrosymmetric structure. Strikingly, owing to the Ps-facilitated separation of photogenerated carriers, polar 2-APDPI and 4-APDPI exhibit a 3.9- and 2.8-fold increase, respectively, in photocatalytic H2 evolution compared to the centrosymmetric 3-APDPI. As a pioneering study, this work provides an efficient approach for exploring new polar photocatalysts and highlights their potential in promoting photocatalytic H2 evolution.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:63 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - 63(2024), 15 vom: 08. Apr., Seite e202319882 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Peng, Yu [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Revised 01.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/anie.202319882 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Polar materials with spontaneous polarization (Ps) have emerged as highly promising photocatalysts for efficient photocatalytic H2 evolution owing to the Ps-enhanced photogenerated carrier separation. However, traditional inorganic polar materials often suffer from limitations such as wide band gaps and poor carrier transport, which hinders their photocatalytic H2 evolution efficiency. Here, we rationally synthesized a series of isostructural two-dimensional (2D) aromatic Dion-Jacobson (DJ) perovskites, namely (2-(2-Aminoethyl)pyridinium)PbI4 (2-APDPI), (3-(2-Aminoethyl)pyridinium)PbI4 (3-APDPI), and (4-(2-Aminoethyl)pyridinium)PbI4 (4-APDPI), where 2-APDPI and 4-APDPI crystalize in polar space groups with piezoelectric constants (d33) of approximately 40 pm V-1 and 3-APDPI adopts a centrosymmetric structure. Strikingly, owing to the Ps-facilitated separation of photogenerated carriers, polar 2-APDPI and 4-APDPI exhibit a 3.9- and 2.8-fold increase, respectively, in photocatalytic H2 evolution compared to the centrosymmetric 3-APDPI. As a pioneering study, this work provides an efficient approach for exploring new polar photocatalysts and highlights their potential in promoting photocatalytic H2 evolution | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Organic-inorganic hybrid composites | |
| 650 | 4 | |a Photocatalytic hydrogen evolution | |
| 650 | 4 | |a Polar materials | |
| 650 | 4 | |a Synthesis design | |
| 650 | 4 | |a Two-dimensional Dion-Jacobson perovskite | |
| 700 | 1 | |a Zhang, Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xing |e verfasserin |4 aut | |
| 700 | 1 | |a Sui, Xin Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Miao Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Jing, Changfei |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Hai Yang |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Shuang |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Peng Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Dai, Sheng |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Zhaoke |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Hua Gui |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Yu |e verfasserin |4 aut | |
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