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https://irlib.pccu.edu.tw/handle/987654321/49473
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| Title: | Near-Infrared Nanophosphor Embedded in Mesoporous Silica Nanoparticle with High Light-Harvesting Efficiency for Dual Photosystem Enhancement |
| Authors: | Huang, WT (Huang, Wen-Tse)
Su, TY (Su, Ting-Yi)
Chan, MH (Chan, Ming-Hsien)
Tsai, JY (Tsai, Jia-You)
Do, YY (Do, Yi-Yin)
Huang, PL (Huang, Pung-Ling)
Hsiao, M (Hsiao, Michael)
Liu, RS (Liu, Ru-Shi) |
| Contributors: | 生科所 |
| Keywords: | dual photosystems
Emerson effect
mesoporous silica embedded
near-infrared nanoparticles |
| Date: | 2021-03-22 |
| Issue Date: | 2021-04-14 14:25:01 (UTC+8) |
| Abstract: | Light-harvesting and conversion ability is important to promote plant growth, and especially when resources are limited. A near-infrared (NIR) nanophosphor embedded with mesoporous silica nanoparticles (MSN), ZnGa2O4:Cr3+,Sn4+ (ZGOCS), was developed and its optical properties were harnessed to enhance the photosynthetic ability of Brassica rapa spp. chinensis. The broad excitation of ZGOCS from the ultraviolet to the visible region allowed the conversion of extra light into near-infrared light (650-800 nm) and thus promoted the dual photosystem via the Emerson effect. ZGOCS@MSN was spherical with a size of 65 +/- 10 nm and good dispersion. A light conversion ability of up to 75 % under different wavelengths was achieved. Moreover, the electron transfer rate of photosynthesis increased by 100 % with a suitable ZGOCS@MSN concentration. Plant and animal models were used to explore the effects of the nanophosphor. ZGOCS@MSN distribution was tracked by monitoring its NIR emission in plant and animal tissues, demonstrating that this nanophosphor can be potentially utilized in plant growth. |
| Relation: | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 卷冊: 60 期: 13 頁數: 6955-6959 |
| Appears in Collections: | [Graduate Institute of Biotechnology ] journal articles
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