ZnO nanotetrapods embedded into PDMS form a flexible, light emitting material. Published in: V. M. Diep, et al, Nano Letters 16 (12) (2016). Link: http://pubs.acs.org/doi/abs/10.1021/acs.nanolett.6b02887?utm_content=
Using a new UV-responsive material developed in the lab, a flexible sun sensor is developed. The material development work is published in M. E. Lee et al, Macromolecules 48 (24) (2015). Link: http://pubs.acs.org/doi/full/10.1021/acs.macromol.5b01496
By developing a new silica glass with small amount of Zr, a new type of laser with improved performance is demonstrated. Published in H. Choi, et al, ACS Photonics 3 (12), (2016). Link: http://pubs.acs.org/doi/abs/10.1021/acsphotonics.6b00608
The biomechanical behavior of resected tissue is measured using an optical polarimetry method developed in the lab. Published in: A. W. Hudnut et al, Biomedical Optics Express 8 (10) (2017). Link: https://www.osapublishing.org/boe/abstract.cfm?uri=boe-8-10-4663
Nonlinear organic small molecules can significantly improve the performance of integrated optical devices by orders of magnitude. Published in: X. Shen, et al, Science Advances 4 (1), eaao4507 (2018). Link: http://advances.sciencemag.org/content/4/1/eaao4507
Organic Small molecules
- We have numerous projects synthesizing new highly nonlinear small molecules for applications in imaging, in biological systems control, and in integrated photonics.
- We have several projects developing new polymeric materials with interesting behavior; for example, large non-linear optical coefficients or response to environmental stimuli. The approaches focus on methods for synthesis which can directly attach (graft) the polymers to the surface of devices, thus enabling orientation of the polymers in a specific manner.
- We are currently exploring ways to develop multi-modal hydrogels for simultaneous (triggerable) drug delivery and tracking using new small molecules synthesized in the group.
Silica Sol-gel Materials
- We are currently studying ways to tailor the synthesis of sol-gel based optical glasses to control the optical properties to improve the final device characteristics. This includes the addition of dopants to create lasers or high refractive index materials to manipulate light propagation.
- As complementary work to our nonlinear devices, we have several projects investigating routes to efficiently and controllably attach and orient our new small molecules to the surface of optical devices without degrading their optical performance. We are also exploring using surface chemistry as a new approach to integrate functionality into devices.