成功答辩论文后，圣塔芭芭拉分校的化学工程博士学位授予给了应聘博士学位。学生必须首先满足候选资格要求并晋升为候选资格。化学工程系提供化学工程博士学位（PhD），重点是为学生准备未来的研究职业。课程和研究要求强调对化学工程，材料科学和生物工程等基础知识进行广泛的教育。研究专业领域包括：材料和界面（聚合物，纳米结构材料，复杂流体和胶体，传输现象，力和流变学以及表征工具）生物工程（纳米医学，蛋白质与细胞工程，生化工程，系统生物学）能源与可持续性（催化，能量转换，燃料和化学物质）建模，理论与模拟（分子热力学，动力学
The Department of Chemical Engineering offers a Doctor of Philosophy (PhD) in Chemical Engineering, with an emphasis on preparing students for future careers in research. Course and research requirements stress a broadly-based education in the fundamentals of chemical engineering, as well as materials science and bioengineering. The Chemical Engineering PhD degree at UC Santa Barbara is awarded to PhD candidates following successful defense of the dissertation. Students must first satisfy the candidacy requirements and advance to candidacy.