The present invention prepares high quality liposoluble nanometer titania crystal through a one-step process of thermally decomposing titanium halide at relatively low temperature. 該方法基于低溫液相一步合成的制備思路,將鈦的鹵化物進(jìn)行低溫熱解,實(shí)現了高質(zhì)量油溶性氧化鈦納米晶的低溫一步液相制備。