二氧化鈦奈米棒及奈米管之合成機制與特性研究

Abstract

本論文主要是針對二氧化鈦一維奈米材料，奈米棒和奈米管之生成機制與一些特性探討。A部分為探討二氧化鈦奈米棒，二氧化鈦奈米棒是以微乳液法所合成出來的，合成出來的二氧化鈦奈米棒屬於Anatase晶體。由TEM照片來看二氧化鈦奈米棒長度約20nm，直徑約3nm。B部分為探討二氧化鈦奈米管，二氧化鈦奈米管是以水熱法來合成，合成出來的二氧化鈦奈米管為Anatase晶體。由SEM照片看到二氧化鈦奈米管之管長大約數微米，由TEM照片來看二氧化鈦奈米管內徑約13nm，外徑30nm。本論文使用X光繞射光譜、吸收光譜、拉曼散射光譜、紅外線光譜、熱分析儀、電子顯微鏡來了解反應動力學、相變化、合成機制與光學性質。

This work studied the formation mechanism and characterization of the titanium dioxide nanorods and nanotubes. Part A was the study of the titanium dioxide nanorods. The titanium dioxide nanorods which were anatase crystals were synthesized by microemulsion. The length and the diameter of the titanium dioxide nanorods were 30nms and 3nms, which was showed by the TEM images. Part B was the study of the titanium dioxide nanotubes. The titanium dioxide nanotubes which were anatase crystals were synthesized by hydrothermal method. The length of the titanium dioxide nanotubes were several micrometers, that was indicated by the SEM images. The inner diameter and total diameter of the titanium dioxide was 13nm and 30nm, that was revealed by the TEM images. We used the x-ray diffraction patterns, absorption spectra, raman spectra, FT-IR spectra, thermal analytic spectra and electric microscopes to understand the chemical kinetics, phase transformation, formation mechanism and optical properties.