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NIR Mechanoluminescence from Cr3+ Activated Y3Al5O12 with Intense Zero Phonon line
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2023-05-01 , DOI: 10.1002/adfm.202214497 Zhichao Liu 1 , Xue Yu 2 , Qingpeng Peng 1 , Xiaodie Zhu 1 , Jianqiang Xiao 1 , Jiangtao Xu 3 , Shouxiang Jiang 4 , Jianbei Qiu 1 , Xuhui Xu 1
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2023-05-01 , DOI: 10.1002/adfm.202214497 Zhichao Liu 1 , Xue Yu 2 , Qingpeng Peng 1 , Xiaodie Zhu 1 , Jianqiang Xiao 1 , Jiangtao Xu 3 , Shouxiang Jiang 4 , Jianbei Qiu 1 , Xuhui Xu 1
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Mechanoluminescence (ML) materials with long-wavelength emission bands are essential for future in vivo bioimaging, non-destructive testing of solids, etc. The lack of a defined mechanism, however, prevents the application of near infrared ML materials above 650 nm in several new fields. Here, the addition of Ga3+ ions to Y3Al5O12: Cr3+ manipulates matrix microstructure evolution, boosting near-infrared (NIR) zero-phonon line (ZPL) stress optical output of the Cr3+ ion at 688 nm. The key factor changing the crystal field intensity Dq/B due to the addition of Ga3+ ions is what causes the luminescence amplification of ZPL. The ML fabricated by composite polydimethylsiloxane and Y3Al4GaO12: Cr3+ (YAGG: Cr3+) may penetrate chicken feet epidermal tissue and 4 mm pork tissue thanks to the strong NIR ZPL emission of YAGG: Cr3+ phosphor. This discovery of enhancing near-infrared ZPL intensity by solid solution provides us with a new technique for optimizing NIR ML materials, as well as a new prospect for NIR ML materials in biological applications.
中文翻译：
Cr3+ 激活 Y3Al5O12 强零声子线的近红外机械发光
具有长波长发射带的机械发光（ML）材料对于未来体内生物成像、固体无损检测等至关重要。然而，缺乏明确的机制阻碍了650 nm以上的近红外ML材料在多个领域的应用新领域。此处，将 Ga 3+离子添加到 Y 3 Al 5 O 12 : Cr 3+可以控制基质微观结构的演变，从而增强 Cr 3+离子在 688 处的近红外 (NIR) 零声子线 (ZPL) 应力光学输出纳米。Ga 3+的添加改变晶体场强D q /B 的关键因素离子是导致 ZPL 发光放大的原因。由聚二甲基硅氧烷和Y 3 Al 4 GaO 12 : Cr 3+ (YAGG: Cr 3+ )复合而成的ML可以穿透鸡爪表皮组织和4mm猪肉组织，这得益于YAGG: Cr 3+荧光粉的强近红外ZPL发射。这一通过固溶体增强近红外ZPL强度的发现为我们提供了优化NIR ML材料的新技术，也为NIR ML材料在生物应用中提供了新的前景。
更新日期：2023-05-01
中文翻译：
Cr3+ 激活 Y3Al5O12 强零声子线的近红外机械发光
具有长波长发射带的机械发光（ML）材料对于未来体内生物成像、固体无损检测等至关重要。然而，缺乏明确的机制阻碍了650 nm以上的近红外ML材料在多个领域的应用新领域。此处，将 Ga 3+离子添加到 Y 3 Al 5 O 12 : Cr 3+可以控制基质微观结构的演变，从而增强 Cr 3+离子在 688 处的近红外 (NIR) 零声子线 (ZPL) 应力光学输出纳米。Ga 3+的添加改变晶体场强D q /B 的关键因素离子是导致 ZPL 发光放大的原因。由聚二甲基硅氧烷和Y 3 Al 4 GaO 12 : Cr 3+ (YAGG: Cr 3+ )复合而成的ML可以穿透鸡爪表皮组织和4mm猪肉组织，这得益于YAGG: Cr 3+荧光粉的强近红外ZPL发射。这一通过固溶体增强近红外ZPL强度的发现为我们提供了优化NIR ML材料的新技术，也为NIR ML材料在生物应用中提供了新的前景。
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