Table 11 Material band gap energy and their functional applications.

From: Fabrication and comprehensive experimental evaluation of surfactant-activated PEDOT:PSS/SnO2 thin films deposited via spin coating for advanced sensing applications

Band gap energy (eV)

Applications

Ref

2.5–3.0

Gas/humidity sensing, photocatalysis

43

3.15

Gas sensors, transparent conducting electrodes

47

3.00

Photovoltaic devices, photocatalysts

48

2.68

Photodetectors, electrocatalysts for hydrogen evolution reaction

50

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