Our goal is to address growing technological needs by understanding and controlling the fundamental mechanism of crystallization of polymers during processing. Semicrystalline polymers have potential for a wide range of applications in biomedicine, energy harvesting, and functional materials, Currently, advances in synthesis of polymers offer unprecedented opportunities to direct crystallization, morphology, and properties. Also, newer technologies such as 3D-printing are rapidly developing but have not yet reached their full capabilities because structure development is complex and not well understood. Our research seeks to overcome current limitations, leading to rational design of materials/processes to obtain complex materials with advanced properties and, ultimately, to improve quality of life.