Zongbiao Ye

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While most work carried out to date has focused on the solvent annealing of perovskite, in the present work, we focused on the solvent annealing of lead iodide. Based on the two-step spin-coating method, we designed a screening method to search for an effective solvent annealing process for PbI2. PbI2 films were annealed in diverse solvent atmospheres,(More)
ZnO nanoparticles and graphene oxide (GO) thin film were deposited on gold interdigital electrodes (IDEs) in sequence via simple spraying process, which was further restored to ZnO/reduced graphene oxide (rGO) bilayer thin film by the thermal reduction treatment and employed for ammonia (NH3) detection at room temperature. rGO was identified by UV-vis(More)
Here a promising approach is proposed to enhance the responsivity of a ZnO nanowires array based photodetector with metal-semiconductor-metal structure through piezo-phototronic effect. The ZnO nanowires arrays were synthesized on the surface of ZnO seedlayer via hydrothermal method. Using polarization charges created at metal-ZnO interface under strain to(More)
In this work, a novel graphene oxide (GO)/Poly(ethyleneimine) (PEI) layered film was prepared on the quartz crystal microbalance (QCM) by feasible spray process for the humidity detection. The morphology of sensitive film was analyzed by field emission scanning electron microscopy (FESEM). it was worth mentioning that a chemical bonding could be formed at(More)
In this work, in order to enhance the recovery performance of organic thin film transistors (OTFTs) ammonia (NH3) sensors, poly (3-hexylthiophene) (P3HT) and molybdenum disulfide (MoS2) were combined as sensitive materials. Different sensitive film structures as active layers of OTFTs, i.e., P3HT-MoS2 composite film, P3HT/MoS2 bilayer film and MoS2/P3HT(More)
A new approach was proposed to evaluate the performance of organic thin film transistors (OTFTs) gas sensors. Back-gated OTFTs gas sensors with poly (3-hexylthiophene) (P3HT)/Zinc oxide (ZnO) nanorods composite film as the active layers and gas sensing layers were prepared for nitrogen dioxide (NO2) detection. Electrical parameters of OTFTs based on pure(More)
Reduced graphene oxide/titanium dioxide (rGO/TiO<sub>2</sub>) layered film was firstly utilized through simple spray method for trace detection of formaldehyde (HCHO) at room temperature. A remarkable sensitivity of layered film (0.8 ppm<sup>-1</sup>) was identified in the concentration range of 0.1 ppm to 0.5 ppm, which was higher than that of rGO-based(More)
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