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学者姓名：周海芳
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Abstract ：
Rare earth-doped upconversion nanomaterials have wide application prospects in photothermal sensing，biomedicine and so on，but it has poor thermal conductivity，low temperature measurement sensitivity and upconver⁃ sion luminescence（UCL）intensity. It’s an effective way to improve their UCL intensity and photothermal perfor⁃ mance by assembling composite films which contain single-walled carbon nanotubes（SWCNT），noble metal and pho⁃ tonic crystals（PCs）. In this work，NaGdF4∶Er3+/Yb3+/Al3+ nanocrystalls（UCNPs）were synthesized by the solvother⁃ mal method. The photothermal performance of upconversion layer（UC），SWCNT/UC，Ag/SWCNT/UC and PCs/Ag/ SWCNT/UC were compared，and the effects of different film layers on the photothermal performance of UCNPs were studied. The results indicate that PCs/Ag/SWCNT/UC has the best performance，and compared with the UC film，the enhancement factors of red and green emission intensities are 3. 48 and 4. 24 times，respectively. Its photothermal conversion efficiency is 33. 79%，which is 1. 49 times of UC’s. The absolute sensitivity（SA）of the optical tempera⁃ ture measurement is obtained as 3. 14×10−3 K−1 at 353 K and the relative sensitivity（SR）is obtained as 1. 87×10−2 K−1 at 273 K. The work provides an effective way to improve the performance of the photothermal sensor. © 2025 Editorial Office of Chinese Optics. All rights reserved.
Keyword ：
Carbon films Carbon films Indium phosphide Indium phosphide Nanocomposite films Nanocomposite films Nanocrystals Nanocrystals Single-walled carbon nanotubes (SWCN) Single-walled carbon nanotubes (SWCN) Strain measurement Strain measurement Thermography (temperature measurement) Thermography (temperature measurement) Uranium compounds Uranium compounds Ytterbium compounds Ytterbium compounds
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| GB/T 7714 | Shao, Zejie , Zhou, Haifang , Zheng, Ruijin et al. Upconversion Luminescence and Photothermal Properties of Composite Films Based on NaGdF4∶Er3+/Yb3+/Al3+ [J]. | Chinese Journal of Luminescence , 2025 , 46 (1) : 89-97 . |
| MLA | Shao, Zejie et al. "Upconversion Luminescence and Photothermal Properties of Composite Films Based on NaGdF4∶Er3+/Yb3+/Al3+" . | Chinese Journal of Luminescence 46 . 1 (2025) : 89-97 . |
| APA | Shao, Zejie , Zhou, Haifang , Zheng, Ruijin , Cheng, Shuying . Upconversion Luminescence and Photothermal Properties of Composite Films Based on NaGdF4∶Er3+/Yb3+/Al3+ . | Chinese Journal of Luminescence , 2025 , 46 (1) , 89-97 . |
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稀土掺杂的上转换纳米材料在光热传感、生物医学等领域有着广泛的应用前景,但其存在导热性差、测温灵敏度与上转换发光(UCL)强度低的问题,而添加单壁碳纳米管(SWCNT)、贵金属与光子晶体(PCs)是提高其UCL强度与光热性能的有效手段.本文使用溶剂热法合成了NaGdF4∶Er3+/Yb3+/Al3+纳米晶体(UCNPs),通过对比上转换层(UC)、SWCNT/UC、Ag/SWCNT/UC与PCs/Ag/SWCNT/UC的光热性能,研究不同膜层对UCNPs的光热性能影响.结果表明,PCs/Ag/SWCNT/UC具有优异的性能,其红绿光强度分别为UC的3.48倍与4.24倍,其光热转换效率达到33.79%,是UC的1.49倍;并且光学测温绝对灵敏度SA在353 K时达到3.14×10-3 K-1,相对灵敏度SR在273 K时达到1.87×10-2 K-1.本研究为提高光热传感器性能提供了一种有效的策略.
Keyword ：
NaGdF4∶Er3+/Yb3+/Al3+纳米晶 NaGdF4∶Er3+/Yb3+/Al3+纳米晶 光热性能 光热性能 复合薄膜 复合薄膜 测温灵敏度 测温灵敏度
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| GB/T 7714 | 邵泽杰 , 周海芳 , 郑瑞锦 et al. 基于NaGdF4∶Er3+/Yb3+/Al3+的复合薄膜上转换发光与光热性能 [J]. | 发光学报 , 2025 , 46 (1) : 89-97 . |
| MLA | 邵泽杰 et al. "基于NaGdF4∶Er3+/Yb3+/Al3+的复合薄膜上转换发光与光热性能" . | 发光学报 46 . 1 (2025) : 89-97 . |
| APA | 邵泽杰 , 周海芳 , 郑瑞锦 , 程树英 . 基于NaGdF4∶Er3+/Yb3+/Al3+的复合薄膜上转换发光与光热性能 . | 发光学报 , 2025 , 46 (1) , 89-97 . |
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稀土掺杂的上转换纳米材料在光热传感、生物医学等领域有着广泛的应用前景，但其存在导热性差、测温灵敏度与上转换发光（UCL）强度低的问题，而添加单壁碳纳米管（SWCNT）、贵金属与光子晶体（PCs）是提高其UCL强度与光热性能的有效手段。本文使用溶剂热法合成了NaGdF
Keyword ：
NaGdF NaGdF 复合薄膜 复合薄膜
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| GB/T 7714 | 邵泽杰 , 周海芳 , 郑瑞锦 et al. 基于NaGdF [J]. | 发光学报 , 2025 , 46 (01) : 89-97 . |
| MLA | 邵泽杰 et al. "基于NaGdF" . | 发光学报 46 . 01 (2025) : 89-97 . |
| APA | 邵泽杰 , 周海芳 , 郑瑞锦 , 程树英 . 基于NaGdF . | 发光学报 , 2025 , 46 (01) , 89-97 . |
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Antimony sulfide (Sb2S3) photodetectors (PDs) possess extensive application prospects. Efficient carrier transport of a PD significantly affects the detectivity and response speed. Herein, we propose an all-inorganic self-powered Sb2S3 PD based on vertical TiO2 nanorods (NRs). The spray-coated 15-nm TiO2 thin film as a seed layer ensures the growth of compact vertical TiO2 nanorod arrays by the hydrothermal method. One-dimensional TiO2 nanorods facilitate photocarrier separation and transport to enhance device performance. Ultimately, the Sb2S3 PD achieves a responsivity of 0.29 A/W, a specific detectivity of 3.37 x 1012 Jones, and a response time of 7.8 mu s, showing great potential in commercial applications. (c) 2024 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.
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| GB/T 7714 | Kang, Yubin , Deng, Hui , Wu, Kefei et al. Self-powered Sb2S3 photodetectors with efficient carrier transport enabled by compact vertical TiO2 nanorods [J]. | OPTICS LETTERS , 2024 , 49 (22) : 6533-6536 . |
| MLA | Kang, Yubin et al. "Self-powered Sb2S3 photodetectors with efficient carrier transport enabled by compact vertical TiO2 nanorods" . | OPTICS LETTERS 49 . 22 (2024) : 6533-6536 . |
| APA | Kang, Yubin , Deng, Hui , Wu, Kefei , Wang, Guidong , Hong, Jinwei , Wang, Weihuang et al. Self-powered Sb2S3 photodetectors with efficient carrier transport enabled by compact vertical TiO2 nanorods . | OPTICS LETTERS , 2024 , 49 (22) , 6533-6536 . |
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Surface plasmon resonance and photonic crystals (PCs) effect are effective methods for improving upconversion luminescence (UCL) for upconversion nanoparticles. In this work, PCs/Ag/Al2O3/UC hybrid structure is pre-sented to enhance UCL of NaGdF4:Er3+/Yb3+/Al3+ nanorods through tuning the thickness of the Al2O3 layer. The optical and luminescence properties were studied and compared with those of UC and PCs/Ag/UC hybrid, it is shown that the thickness of Al2O3 layer has a significant effect on fluorescence intensity, outstanding upcon-version luminescence enhancement and the green-to-red intensity ratios have been achieved at 980 nm excita-tion. The maximum enhancement factors of the red and green emission were obtained for the sample with 10 nm Al2O3 layer, respectively. The mechanism of UCL enhancement for PCs/Ag/Al2O3/UC hybrid structure was discussed.
Keyword ：
Ag Ag Dielectric confinement Dielectric confinement Energy transfer Energy transfer Local field enhancement Local field enhancement PCs PCs UC hybrid UC hybrid Upconversion enhancement Upconversion enhancement
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| GB/T 7714 | Zhou, Haifang , Zou, Jiaxin , Weng, Xuehua et al. Upconversion luminescence enhancement of NaGdF4:Er3+/Yb3+/Al3+nanorods through tuning Al2O3 layer in a hybrid photonic-plasmonic-dielectric structure [J]. | OPTICAL MATERIALS , 2023 , 137 . |
| MLA | Zhou, Haifang et al. "Upconversion luminescence enhancement of NaGdF4:Er3+/Yb3+/Al3+nanorods through tuning Al2O3 layer in a hybrid photonic-plasmonic-dielectric structure" . | OPTICAL MATERIALS 137 (2023) . |
| APA | Zhou, Haifang , Zou, Jiaxin , Weng, Xuehua , Lai, Yunfeng , Yu, Jinling . Upconversion luminescence enhancement of NaGdF4:Er3+/Yb3+/Al3+nanorods through tuning Al2O3 layer in a hybrid photonic-plasmonic-dielectric structure . | OPTICAL MATERIALS , 2023 , 137 . |
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Abstract ：
本发明涉及一种双局域场协同增强上转换发光的复合薄膜，包括衬底、光子晶体层、贵金属层、介质层和上转换发光层。所述复合薄膜的制备方法，先用溶剂热法制备NaGdF4 : Yb3+/Er3+/Al3+纳米晶，接着在衬底上制备光子晶体层，然后在光子晶体层上制备贵金属层，再在贵金属层上制备介质层，最后将上转换发光NaGdF4纳米晶旋涂于介质层上制得上转换发光层。该复合薄膜及其制备方法有利于提高上转换发光性能，且制备简单。
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| GB/T 7714 | 周海芳 , 翁雪花 , 赖云锋 et al. 双局域场协同增强上转换发光的复合薄膜及其制备方法 : CN202111634076.6[P]. | 2021-12-29 00:00:00 . |
| MLA | 周海芳 et al. "双局域场协同增强上转换发光的复合薄膜及其制备方法" : CN202111634076.6. | 2021-12-29 00:00:00 . |
| APA | 周海芳 , 翁雪花 , 赖云锋 , 程树英 . 双局域场协同增强上转换发光的复合薄膜及其制备方法 : CN202111634076.6. | 2021-12-29 00:00:00 . |
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Perovskite solar cells have drawn significant attention due to their excellent photovoltaic characteristics. Upconversion luminescence material modification is a good strategy to extend the device response to the near-infrared region, which can further increase device efficiency. By adding NaGdF4: Er3+/Yb3+ nanorods into chlorobenzene as an additive in the antisolvent to modify the perovskite layer, we found that upconversion luminescence nanoparticles can effectively improve the perovskite solar cell performance. However, unexpectedly, the photocurrent contributed by the infrared part is lower. The efficiency increase of perovskite solar cells is contributed by defect passivation. Further research shows that nanoparticles can effectively fill the holes and gaps at the grain boundaries, eliminate surface defects of the perovskite, and modify the perovskite film, which reduces carrier recombination and effectively improves the device's performance. Finally, the power conversion efficiency of the champion device can reach 21.1%. This research demonstrates the function of upconversion luminescence nanoparticles in PSCs and provides a simple way to improve the device's efficiency.
Keyword ：
Defect passivation Defect passivation NaGdF4: Er3+/Yb3+ NaGdF4: Er3+/Yb3+ Perovskite solar cell Perovskite solar cell Up-conversion luminescence Up-conversion luminescence
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| GB/T 7714 | Wu, Jionghua , Wei, Shuping , Weng, Xuehua et al. Understanding the efficiency enhancement of perovskite solar cells with NaGdF4: Er3+/Yb3+ nanorods [J]. | SOLAR ENERGY MATERIALS AND SOLAR CELLS , 2022 , 248 . |
| MLA | Wu, Jionghua et al. "Understanding the efficiency enhancement of perovskite solar cells with NaGdF4: Er3+/Yb3+ nanorods" . | SOLAR ENERGY MATERIALS AND SOLAR CELLS 248 (2022) . |
| APA | Wu, Jionghua , Wei, Shuping , Weng, Xuehua , Wang, Renjie , Zhou, Haifang , Cheng, Shuying . Understanding the efficiency enhancement of perovskite solar cells with NaGdF4: Er3+/Yb3+ nanorods . | SOLAR ENERGY MATERIALS AND SOLAR CELLS , 2022 , 248 . |
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The buffer layer plays a critical role in high-performance flexible Cu2ZnSn(S,Se)(4) (CZTSSe) solar cell. The conventional CdS buffer layer causes the photoelectric performance loss and the pollution of toxic Cd. Herein, the ultrathin CdS and Zn0.8Sn0.2O (ZTO) buffer layer engineering is proposed to reduce interface recombination and Cd content. An ultrathin CdS layer acts as the interface passivation layer to protect the CZTSSe layer and passivate its surface defects. To solve the problems of decreased carrier collection capacity caused by thinning the CdS layer, the ZTO layer with low resistivity and high carrier concentration is obtained by doping Sn into the ZnO layer. The systematic study indicates that the ultrathin CdS and ZTO buffer layers-based solar cells realize high-quality interface and band matching. Ultimately, 9.3% efficiency of the ultrathin CdS and ZTO-based solar cell with 448 mV open-circuit voltage is obtained, which is higher than that of the standard CdS buffer layer-based device (8.5% with 419 mV). The study provides a new idea for achieving efficient flexible CZTSSe solar cells through heterojunction interface management.
Keyword ：
flexible CZTSSe solar cells flexible CZTSSe solar cells heterojunction interfaces heterojunction interfaces ultrathin CdS ultrathin CdS ZTO ZTO
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| GB/T 7714 | Lin, Beibei , Sun, Quanzhen , Zhang, Caixia et al. 9.3% Efficient Flexible Cu2ZnSn(S,Se)(4) Solar Cells with High-Quality Interfaces via Ultrathin CdS and Zn0.8Sn0.2O Buffer Layers [J]. | ENERGY TECHNOLOGY , 2022 , 10 (10) . |
| MLA | Lin, Beibei et al. "9.3% Efficient Flexible Cu2ZnSn(S,Se)(4) Solar Cells with High-Quality Interfaces via Ultrathin CdS and Zn0.8Sn0.2O Buffer Layers" . | ENERGY TECHNOLOGY 10 . 10 (2022) . |
| APA | Lin, Beibei , Sun, Quanzhen , Zhang, Caixia , Deng, Hui , Xie, Weihao , Tang, Jianlong et al. 9.3% Efficient Flexible Cu2ZnSn(S,Se)(4) Solar Cells with High-Quality Interfaces via Ultrathin CdS and Zn0.8Sn0.2O Buffer Layers . | ENERGY TECHNOLOGY , 2022 , 10 (10) . |
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Noble metal surface plasmon resonance or photonic crystals (PCs) effect is a novel and effective method for improving upconversion luminescence (UCL). UCL can be effected by the size, thickness of the noble metal film and the photonic band gap (PBG) of the PCs. So it is important to improve UCL by coupling surface plasmons resonance (SPR) with PCs effect. In this work, the PCs/Ag/UC composite films were fabricated to improve the upconversion emission of NaGdF4:Er3+/Yb3+/Al3+ nanocrystals, and the influence of the Ag layer thickness on spectral properties was investigated. Studies reveal that the Ag layer thickness and morphology have a major impact on the Ag nanoparticles (NPs) plasma resonance and UCL intensity of NaGdF4:Er3+/Yb3+/Al3+ nanocrystals for PCs/Ag/UC composite films. The highest enhancement factors of the red and green emissions were found to be 43 and 42 under 980 nm excitation, respectively. That is attributed to the coupling effect of the Ag NPs local SPR and PCs Bragg reflection, the local electromagnetic field enhancement produced by the excitation wavelength overlapping with the photonic band gap and strong plasmon resonance band overlapping with emission wavelength.
Keyword ：
Local electromagnetic field enhancement Local electromagnetic field enhancement NaGdF4:Er3+/Yb3+/Al3+ nanocrystals NaGdF4:Er3+/Yb3+/Al3+ nanocrystals PCs/Ag/UC composite films PCs/Ag/UC composite films Upconversion enhancement Upconversion enhancement
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| GB/T 7714 | Zhou, Haifang , Weng, Xuehua , Zou, Jiaxin et al. Upconversion luminescence enhancement of the composite films by coupling local surface plasmon effect and photonic crystals effect [J]. | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING , 2022 , 128 (5) . |
| MLA | Zhou, Haifang et al. "Upconversion luminescence enhancement of the composite films by coupling local surface plasmon effect and photonic crystals effect" . | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 128 . 5 (2022) . |
| APA | Zhou, Haifang , Weng, Xuehua , Zou, Jiaxin , Lai, Yunfeng , Yu, Jinling , Cheng, Shuying . Upconversion luminescence enhancement of the composite films by coupling local surface plasmon effect and photonic crystals effect . | APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING , 2022 , 128 (5) . |
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类比生成是计算机生成自然和创造性音乐作品的一种关键方法.使用类比生成能够将高层次的音乐特征从一个作品转移到另一个.为了在进行高效类比的同时也能够控制音乐的特征属性,提出了一种新型的显式特征解耦的编解码模型,由编码器解开以和弦为条件的音乐片段的音高和节奏表示,并用解码器还原成原始的音乐.在进行音乐类比生成时,该模型能够使一个作品借用其他作品的表现形式,用不同的音高轮廓、节奏模式进行创作.另外,得益于可视化的特征编码方式,该模型可以对不同的特征属性进行直观控制.
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| GB/T 7714 | 黄润泽 , 郑茜颖 , 周海芳 . 交互式音乐类比生成 [J]. | 计算机应用研究 , 2021 , 38 (9) : 2609-2613 . |
| MLA | 黄润泽 et al. "交互式音乐类比生成" . | 计算机应用研究 38 . 9 (2021) : 2609-2613 . |
| APA | 黄润泽 , 郑茜颖 , 周海芳 . 交互式音乐类比生成 . | 计算机应用研究 , 2021 , 38 (9) , 2609-2613 . |
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