DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ1.b
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ1.b |
| Level | hl | Paper | 3 | Time zone | TZ1 |
| Command term | Suggest | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
19M.3.hl.TZ1.b
This question is about solar cells.
Suggest one advantage of a dye-sensitized solar cell (DSSC) over a silicon based photovoltaic cell.
[1]
Markscheme
Any one of:
cheaper [✔]
uses light of lower energy [✔]
plentiful resources [✔]
renewable resources [✔]
use of nanoparticles provides large surface area exposure to sunlight [✔]
can absorb better under cloudy conditions [✔]
better conductivity [✔]
more flexible [✔]
Examiners report
Generally answered well with most candidates able to suggest one advantage of a DSSC over a silicon based photovoltaic cell.
