Table 2.

Ranking of response time.

Paper	Limit of Detection	Response Time	Sensitivity	Dynamic Range
2017, George Y. Chen et al. [118]	1.6%RH	3 ms	2.7%/%RH between 60%RH and 80%RH	0%RH–100%RH
2008, Fuxing Gu et al. [49]		30 ms		35%RH–88%RH
2012, Jinesh Mathew et al. [72]		50 ms	0.1 dB/%RH between 35%RH and 75%RH	25%RH–90%RH
2019, Miguel Hernaez et al. [153]		50 ms		20%RH–90%RH
2018, Cheng Li et al. [135]	3.1%RH 0.4%RH	60 ms	82 pm/%RH between 10%RH and 70%RH 630 pm/%RH between 70%RH and 90%RH	10%RH–90%RH
2008, Lei Zhang et al. [50]		70 ms		9%RH–94%RH
2017, Jia Shi et al. [124]	5%RH	72 ms	0.202 dB/%RH between 25%RH and 95%RH	25%RH–95%RH
2013, Jinesh Mathew et al. [87]	0.07%RH	75 ms	64 pm/%RH between 25%RH and 40%RH 137 pm/%RH between 40%RH and 90%RH	25%RH–90%RH
1991, W. Lukosz et al. [23]	0.1%RH	100 ms
2009, Diana Viegas et al. [55]		100 ms		20%RH–80%RH