The CVD prepared V-MoS₂ heterojunction photodetector exhibits excellent photoelectric performances in a wide broadband with high responsivity, large detectivity, and ultrafast response speed.

The rapid development of the Internet of Things (IoT) has tremendously increased the demands for wind speed sensors in various applications, such as weather forecasting and environmental monitoring. To date, many wind speed sensors are developed based on triboelectric nanogenerators (TENGs). However, the low output current leads to a poor sensing precision, which greatly limits their practical applications. Here, a wind speed sensor is proposed by integrating a wind‐driven triboelectrification‐induced electroluminescence (TIEL) component with a perovskite‐based photodetector (PD) for enlarged electric current output. Compared with mechanoluminescence (ML), TIEL displays significantly higher signal intensity even under gentle breezes. In addition, the emission peak of TIEL matches with the absorption band of perovskite materials. Thus, TIEL materials are promising candidates for generating distinct electrical signals in real‐time to facilitate the detection of wind speed. With a comparable detection limit (5 m s⁻¹) to a conventional TENG‐based wind speed sensor, the sensitivity of this hybrid sensor is three magnitudes higher at low bias voltages and, the response time is extremely short (<0.3 s). Moreover, it shows a favorable correlation with a commercial sensor. This research provides important progress toward environmentally‐friendly light sources and TIEL‐related sensor systems.

An analytical fluid model for $\mathbf{J}\times \mathbf{B}$ heating during the normal incidence by a short ultraintense linearly polarized laser on a solid-density plasma is proposed. The steepening of an originally smooth electron density profile as the electrons are pushed inward by the laser is included self-consistently. It is shown that the $\mathbf{J}\times \mathbf{B}$ heating includes two distinct coupling processes depending on the initial laser and plasma conditions: for a moderate intensity $(a⩽1)$ , the ponderomotive force of the laser light can drive a large plasma wave at the point $n_e=4{\gamma }_0{n}_c$ resonantly. When this plasma wave is damped, the energy is transferred to the plasma. At higher intensity, the electron density is steepened to a high level by the time-independent ponderomotive force, $n_e>4{\gamma }_0{n}_c$ , so that no $2\omega$ resonance will occur, but the longitudinal component of the oscillating ponderomotive field can lead to an absorption mechanism similar to “vacuum heating.”