Tao Wang

Hefei University of Technology · School of Microelectronics

For potential military applications, a flexible metamaterial absorber (MMA) working on whole K-bands with total-thickness of 3.367 mm, ultra-broadband, polarization-insensitive, and wide-angle stability is presented based on frequency selective surface (FSS). The absorber is composed of Polyvinyl Chloride (PVC) layer, Polyimide (PI) layer and Poly...

An ultra-wideband metamaterial absorber (MA) consisting of three layers of resistive ink separated by two layers of polymethacrylimide is proposed. The results of full-wave simulation show that the absorp-tivity is high up to 95% with a bandwidth ratio of 1:9.73 over the wide frequency range from 4.20 to 40.87 GHz, covering the whole C, X, Ku, K, a...

To enhance device performance and reduce fabrication cost, a series of electron transporting material (ETM)-free perovskite solar cells (PSCs) is developed by TCAD Atlas. The accuracy of the physical mode of PSCs is verified, due to the simulations of PEDOT:PSS–CH 3 NH 3 PbI 3 –PCBM and CuSCN–CH 3 NH 3 PbI 3 –PCBM p–i–n PSCs showing a good agreemen...

Background: Successful cryopreservation of organs and/or tissues of large dimension is challenging due to damages by solute concentration and thermal stress caused by crystallization during cooling and devitrification/recrystallization during rewarming. The key to reduce thermal stresses in cryopreserved biomaterials during rewarming is fast and u...

One of challenging issues in research on planar perovskite solar cells (PSCs) is to design a device structure as simple as possible with high device performance, being beneficial to decreasing process complexity, improving device stability and reducing fabrication cost. In this work, concerning two categories of configurations, p-CH3NH3PbI3 based h...

A high gain three stage operational amplifier was proposed. The amplification stage of the amplifier was composed of five full-differential, telescopic cascade and typical common source circuits, and the performance of the amplifier was greatly improved by the design of CMRR, frequency compensation and high swing bias circuits. The simulation resul...

Microwave ablation (MWA) is a form of thermal therapy that uses the heating effects of electromagnetic waves in the microwave energy spectrum to kill undesired or diseased tissues. Slot coaxial antennas are the most popular antennas used in MWA due to their minimal invasiveness and low cost. MWA with slot coaxial antenna has been proven to be very...

Cryopreserve biological tissue and biological material plays an increasingly important role in clinical application and academic research1. A successful cryopreservation is depended on two major procedures means the cooling process and the rewarming process. The tissues or cells are immersed into a cryovial that filled with selected cryoprotective...

Background: Cell survival upon cryopreservation is affected by the cooling rate. However, it is difficult to model the heat transfer process or to predict the cooling curve of a cryoprotective agent (CPA) solution due to the uncertainty of its convective heat transfer coefficient (h). Objective: To measure the h and to better understand the heat...

A three-dimensional cell-to-tissue multiscale model for quantitative evaluation of the influences of vascular network on the treatment outcome of combined cancer therapy of cryosurgery and hyperthermia was developed, where the bioheat transfer equation was used to predict the thermal history in both the tumor and normal tissues, the Navier-Stokes e...

BACKGROUND: Rewarming cryopreserved organs without detrimental damages is a task full of challenging, since devitrification-associated thermal stresses can cause uncontrollable injuries. The ideal rewarming method should obtain a uniform thermal field with a rapid warming rate enough to avoid devitrification. Microwave rewarming is considered to be...

Vessels around tumors play an important role in the cryosurgery or microwave ablation for the treatment of tumors. To analysis the influence of vessels around the tumors, the bio-heat transfer equations are modified since the biological blood perfusion is changed due to the consideration of the vessel network. Thermal properties of liver tissue, tu...

In this study, the microwave rewarming process of cryopreserved samples with embedded superparamagnetic (SPM) nanoparticles was numerically simulated. The Finite Element Method (FEM) was used to calculate the coupling of the electromagnetic field and the temperature field in a microwave rewarming system composed of a cylindrical resonant cavity, an...

Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal