CERAMICS INTERNATIONAL
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2024
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IF 5.1
Shun Ou,Jingxiao Ou,Junjie Liu,Yiqi Li,Bin Tang,Qiaocheng Peng,Dongfu He,Yudi Wang,Yanran Mao,Jianxin Chang,Fumin Du,Tiezheng Lv
The anti-reflection (AR) technology currently used in photovoltaic (PV) glass has reached its operational limit as the refractive index of existing materials cannot be lowered further. To overcome this, in this study, we selected formed methylsiloxane as an AR layer for PV glass. Its low refractive index (∼1.37) originates from the high content of methyl groups and the formation of voids during crosslinking. We acquired and compared the refractive index curves, conducted structural analyses, characterizations (optical, thermal, and surface), and performance evaluations to confirm the advantages of silicone as an AR layer for PV panels . The spreading and subsequent room-temperature self-curing characteristics of silicone considerably enhanced its applicability for upscaling and repair. The hydrophobic nature of the silicone AR layer imparted a new self-cleaning function to the solar panels; further, the methyl-silicone coating enhanced light transmission, resulting in electrical gain. Furthermore, the addition of the methyl-silicone layer created a refractive index gradient on the glass surface, making it fully compatible for use with the mainstream AR process, namely, the sol-gel method employed for PV glass.
研究领域:
材料科学
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能源技术
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产品关联
DOI
高影响因子
Journal of Materials Chemistry C
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2024
·Vol. 13
·期 5
·2356-2366
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IF 5.7
Xiaowen Zhao,Chuangen Xu,Jindi Wei,Haobo Wang,RuiPeng Yang,Xiaoliang Wang,Xiaojun Ye
Silicon heterojunction (SHJ) solar cells have enormous application prospects due to their high efficiency and small carbon footprint. However, during long-term use, the i-a-Si passivation layer of heterojunction (SHJ) solar cells tends to be destroyed by ultraviolet radiation, causing performance degradation. To eliminate this impact, downshifting (DS) materials of YVO4:Eu3+,Bi3+ on the glass surface absorb ultraviolet light and convert it to wavelengths with a higher spectral response of SHJ solar cells. Furthermore, adding anti-reflection (AR) layers on the DS layer's surface will help maintain high transmittance and weather resistance. YVO4:Eu3+,Bi3+ is prepared by using a wet chemical method, with no need for additional manufacturing of phosphors. The DS layer achieves uniform luminescence and expands the excitation spectrum. The average transmittance of glass coated with downshifting and anti-reflection (DSAR) is 96.80%, higher than that of glass with AR only. After high temperature and high humidity tests, the average transmittance of DSAR glass and the short-circuit current density of the module decreased by 1.44% and 0.59 mA cm−2, much lower than that of AR coating (decreased) samples, which decreased by 2.53% and 1.43 mA cm−2. After the UV test, the luminous intensity of the DSAR layer is much higher than that of the DS layer. Therefore, the DSAR layer could offer an easy industrialization approach to improve the outdoor reliability of SHJ solar cells.
研究领域:
材料科学
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能源技术
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光伏技术
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DOI
高影响因子
OPTICAL MATERIALS
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2025
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IF 4.2
Jinjie Zheng,Honglie Shen,Yufang Li,Huanlun Tong,Jingzhe Zhang,Zhihong Xie
In this study, a novel fabrication method for a bilayer film consisting of the Bi 2 Mo 3 O 12 :Eu 3+ and CaF 2 was developed. Bi 2 Mo 3 O 12 :Eu 3+ film was prepared using the chemical solution method, eliminating the need for separate phosphor preparation. The excitation spectra of Bi 2 Mo 3 O 12 :Eu 3+ displayed a broad band within the range of 300 and 420 nm. Under ultraviolet (UV) excitation, the material emitted strong red luminescence, with a dominant peak around 615 nm, which coincides with the absorption range of silicon solar cells. Additionally, a CaF 2 anti-reflection layer was introduced to enhance optical transmittance. The average transmittance of the Bi 2 Mo 3 O 12 :Eu 3+ @CaF 2 bilayer film reached 92.3%, representing a 0.7% increase compared to the bare glass substrate (91.6%). As a proof-of-concept, applying Bi 2 Mo 3 O 12 :Eu 3+ @CaF 2 to this bilayer film on photovoltaic modules resulted in an absolute enhancement of 0.19% in power conversion efficiency.
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产品关联
DOI
高影响因子
CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Gaohong Wu,Xiangjia Sun,Yanrong Liang,Jiaying Zheng,Yulan Xie,Zhaoping Chen,Jian Xu,Weidong Xiang,Xiaojuan Liang
To address the thermal management challenge in phosphor-in-glass (PiG) materials for laser lighting due to low glass matrix thermal conductivity, this study developed YAG:Ce 3+ -Al 2 O 3 PiG composites reinforced with Al 2 O 3 particles, achieving a thermal conductivity of 78.6 W/(m·K). A TiO 2 reflective layer optimized for reflection and light conversion was introduced between the AlN substrate and PiG layer. Systematic optimization of Al 2 O 3 content and preparation conditions yielded YAG:Ce 3+ -Al 2 O 3 PiG composites with exceptional performance: maximum luminous flux (LF) of 2515 lm under blue laser excitation, saturation threshold (ST) of 27.57 W/mm 2 , and luminous efficiency (LE) of 174.7 lm/W. LF and ST increased by 184.5 % and 167.4 %, respectively, compared to non-Al 2 O 3 counterparts. The surface temperature of 9 wt% Al 2 O 3 PiG reached 363.85 K, 34.4 % lower than the working temperature of the sample without Al 2 O 3 addition. Stable light emission and high photothermal stability confirm its potential as a high-brightness laser lighting material.
研究领域:
材料科学
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光学工程
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热管理
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固态照明
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产品关联
DOI
高影响因子
SOLAR ENERGY
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2025
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IF 6.6
Mujia Feng,Zhilin Xia,Zhi Liu,Tu Zhou,Huajun Sun,Xiaofang Liu
Radiative cooling is a passive cooling strategy that requires no external energy input. It can provide continuous cooling for buildings and reduce energy consumption. In this study, a double-layer radiative cooling coating (DHRC) was designed with a bilayer structure. Fluorocarbon resins were used as film-forming substances for the coatings. Hollow rutile TiO 2 and 200 nm diameter ZrO 2 were used as fillers in the lower and upper layers, respectively. The cooling coating exhibited excellent reflective radiation performance, with a solar reflectance (R solar ) of 92.9 % and an emissivity (ε 8-13 μm ) of 95.13 %. In outdoor tests, the average and maximum temperature reductions relative to ambient conditions were 8.44 ℃ and 12.3 ℃, respectively. The water contact angle was 98°, and after 25 days of UV irradiation, the R solar only decreased by 1.09 %. The cooling power calculated using MATLAB was 123.44 W∙m −2 , which was 22.45 W∙m −2 more than that of the commercial cooling coating. The EnergyPlus building energy consumption simulation results showed that among 15 cities around the world, buildings using cooling paints achieved energy saving rates of more than 7 % in 10 cities. The results showed that the DHRC effectively reduced temperature, improved energy efficiency in buildings, and exhibited resistance to staining and aging. This coating provides new ideas for future research on the design and innovation of building cooling coatings.
研究领域:
材料科学
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建筑节能
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功能涂层
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热管理
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可再生能源
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）