Porphyrin-thiophene chromophores featuring two or three thiophene units have wide TPA response ranges;they can be applied to many nonlinear optical areas, such as optical limiting.

• 具有两个或三个噻吩基团的噻吩基卟啉衍生物在较大范围内具有可用于实际应用中的双光子吸收响应，这一性质有利于这类分子在光限幅中的应用。