Name
Title | ||
|---|---|---|
Ultra-high responsivity and photovoltaic effect based on vertical transport in multi-layer <tex>$\alpha$</tex> -In<inf>2</inf>Se<inf>3</inf> |
Abstract | ||
|---|---|---|
We report on the first demonstration of photodetector as well as the observation of photovoltaic effect based on vertical transport in multilayer α -In
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub>
Se
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub>
. A metal/α-In
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub>
Se
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub>
/ITO vertical junction was used to achieve an ultra-high responsivity of 1000 A/W even at a low bias of 0.5 V with a clear band-edge corresponding to multilayer α -In
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub>
Se
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub>
. Additionally, an asymmetric barrier height arising out of ITO and Au contacts to vertical α -In
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub>
Se
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub>
resulted in photovoltaic effect with V
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">OC</sub>
~ 0.1V and I
<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">SC</sub>
~ 0.4μA under 520 nm illumination. |
Year | DOI | Venue |
|---|---|---|
2019 | 10.1109/DRC46940.2019.9046438 | 2019 Device Research Conference (DRC) |
Keywords | DocType | ISSN |
ultrahigh responsivity,photovoltaic effect,vertical transport,multilayer α-In2Se3 ,photodetector,metal-α-In2Se3-ITO vertical junction,band-edge,asymmetric barrier height,Au contacts,ITO contacts,voltage 0.5 V,wavelength 520.0 nm,Au-In2Se3-ITO | Conference | 1548-3770 |
ISBN | Citations | PageRank |
978-1-7281-2113-0 | 0 | 0.34 |
References | Authors | |
0 | 4 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Roop K. Mech | 1 | 0 | 0.34 |
| Neha Mohta | 2 | 0 | 0.34 |
| Rangarajan Muralidharan | 3 | 0 | 0.34 |
| Digbijov N. Nath | 4 | 0 | 0.34 |