Characterization of structural and optical properties of Mn2+-doped Zn2GeO4 nanorods as an efficient green phosphor for solid-state lighting,Luminescence

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Characterization of structural and optical properties of Mn2+-doped Zn2GeO4 nanorods as an efficient green phosphor for solid-state lighting
Luminescence ( IF 3.2 ) Pub Date : 2022-01-07 , DOI: 10.1002/bio.4191
Nguyen Mai Cao Hoang Phuong Lan ₁ , Pham Van Huan ₁ , Nguyen Huu Thong ₁ , Duy-Hung Nguyen ₁ , Nguyen Duc Trung Kien ₁ , Chu Manh Nhuong ₂ , Cao Xuan Thang ₁ , Vuong-Hung Pham ₁

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A series of Mn²⁺-doped zinc germinate ZGO:xMn²⁺ (x = 0–0.05) nanorods was synthesized successfully using a hydrothermal method. XRD revealed that crystal phases of the ZGO:xMn²⁺ were rhombohedral and in the R-3 space group. The Williamson–Hall equation was also used to explain the strain, nanocrystalline size, and stacking fault. Green LEDs were successfully fabricated by coating ZGO:Mn²⁺ nanorods onto UV-LED chips. For high color purity, CIE of the fabricated green LEDs were (0.2404, 0.5428), which made this material a promising candidate for fabrication of UV-based green LEDs.

中文翻译：

Mn2+ 掺杂 Zn2GeO4 纳米棒作为固态照明高效绿色荧光粉的结构和光学特性表征

采用水热法成功合成了一系列 Mn ²⁺掺杂的锗酸锌 ZGO:xMn ^{2+ (x = 0–0.05) 纳米棒。}XRD显示ZGO:xMn ²⁺的晶相为菱面体且在R-3空间群中。Williamson-Hall 方程也用于解释应变、纳米晶尺寸和堆垛层错。^{通过将 ZGO:Mn 2+}纳米棒涂覆到 UV-LED 芯片上成功地制造了绿色 LED 。对于高色纯度，制造的绿色 LED 的 CIE 为 (0.2404, 0.5428)，这使得该材料成为制造基于紫外线的绿色 LED 的有希望的候选材料。

更新日期：2022-02-10

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