中国激光, 2020, 47 (9): 0913001, 网络出版: 2020-09-16
TiN纳米粒子增强CdSe/Al2O3异质结荧光的研究 
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Enhanced Fluorescence of CdSe/Al2O3 Heterojunctions Enabled by TiN Nanoparticles
图 & 表
图 2. CdSe/TiN/Al2O3异质结的流程示意图
Fig. 2. Schematic of CdSe/TiN/Al2O3 heterojunctions preparation
图 3. TiN/Al2O3薄膜的电化学表征。(a)电化学沉积过程中,TiN/Al2O3薄膜的表面电势随时间变化曲线;(b) TiN/Al2O3薄膜的伏安特性曲线
Fig. 3. Electrochemical characterization of TiN/Al2O3 film electrodes. (a) Curves of the surface potential with deposition time on TiN/Al2O3 film electrodes; (b) volt-ampere curves of TiN/Al2O3 film electrodes
图 4. 50 μA沉积电流的TiN薄膜和CdSe/TiN薄膜的吸收光谱
Fig. 4. Absorption spectra of TiN film and CdSe/TiN film at 50 μA depositing time
图 5. 样品的荧光光谱表征。(a)多孔Al2O3和CdSe量子点溶液的荧光光谱;(b)不同沉积电流时,CdSe/TiN/Al2O3异质结的荧光光谱
Fig. 5. Fluorescence spectra characterization of the samples. (a) Fluorescence spectra of the porous Al2O3 film and CdSe quantum dot solution; (b) fluorescence spectra of CdSe/TiN/Al2O3 heterojunctions at different depositing currents
图 6. CdSe/TiN/Al2O3异质结光生载流子输运示意图
Fig. 6. Diagram of optical generating carriers transfer CdSe/TiN/Al2O3 heterojunction
图 7. TiN/Al2O3薄膜和CdSe/TiN/Al2O3异质结的AFM表面形貌。(a) TiN/Al2O3薄膜的AFM形貌;(b) CdSe/TiN/Al2O3异质结的AFM表面形貌
Fig. 7. AFM morphology of TiN/Al2O3 film and CdSe/TiN/Al2O3 heterojunction. (a) AFM morphology of TiN/Al2O3 film; (b) AFM morphology of CdSe/TiN/Al2O3 heterojunction
图 8. TiN/CdSe/Al2O3异质结的光谱形貌图。(a)(b) TiN/Al2O3界面的荧光峰分布及其强度;(c)(d) CdSe/TiN界面的荧光峰分布及其强度
Fig. 8. Optical spectral morphology of CdSe/TiN/Al2O3 heterojunction. (a)(b) Distribution of fluorescence peaks and its intensity from TiN/Al2O3 interface; (c)(d) distribution of fluorescence peaks and its intensity from CdSe/TiN interface
刘鹏程, 昌梦雨, 白忠臣, 秦水介. TiN纳米粒子增强CdSe/Al2O3异质结荧光的研究[J]. 中国激光, 2020, 47(9): 0913001. Liu Pengcheng, Chang Mengyu, Bai Zhongchen, Qin Shuijie. Enhanced Fluorescence of CdSe/Al2O3 Heterojunctions Enabled by TiN Nanoparticles[J]. Chinese Journal of Lasers, 2020, 47(9): 0913001.
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