Scientific Achievement
Researchers in the Electronic Materials program resolved the challenge to develop a scalable process of black phosphorus-based ink films for multicolored optoelectronic device applications in the mid-infrared wavelength regime.
Significance and Impact
The presented multicolor ink formulation sets the stage for the advancement of spectrometers and spectral imaging using a low-cost material processing platform.
Research Details
- The optical bandgap is controlled by optimizing particle size of black phosphorus
- Alloying black phosphorus with arsenic (bP1-xAsx) decreases the optical bandgap
- Utilizing these multicolor inks as an infrared light source, a gas sensing system is demonstrated
Publication Details
JI Kim, N Higashitarumizu, S Wang, R Yalisove, MC. Scott, S Y Song, A Javey, Advanced Materials (2024).
Work was performed in part at the Molecular Foundry.
