Abstract
The passivating effects of spin-coated films of Na2S9H 2O on GaAs surfaces have been studied using room-temperature photoluminescence (PL) and low-temperature PL spectroscopy. After passivation, the 300 K PL efficiency is increased on both n- and p-type material; improvements of up to 2800× are observed. The surface field and surface recombination-related notch features in the free and bound exciton emission spectra at low temperature are eliminated, implying that the residual band bending under illumination is less than 0.15 V.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2022-2024 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 51 |
| Issue number | 24 |
| DOIs | |
| State | Published - 1987 |
| Externally published | Yes |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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