The recently reported two-dimensional lead halide perovskites have attracted much attention in high-energy radiation detector applications due to its high structural stability and low ion migration. However, the increased exciton binding energy charge transport barrier resulting from A-site cation can easily limit extraction device performance. As an emerging material detection field, guanidinium {GA+ = [C(NH2)3]+} is a relatively large organic composed of three amino groups, which enhance...

The fabrication of all-solid-state planar on-chip microsupercapacitors with ultrahigh power characteristics was demonstrated by reduced graphene oxide and photolithography technology. In this paper, an ultrathin film a thickness 8 nm prepared modified spin coating method that makes the have higher which appear in high conductivity fast charge discharge rates. electrodes, width 150 μm, are narrower than existing electrodes field fabricated photolithography. terms performance, these extremely...

Nowadays, the integration of energy storage micro-devices has attracted more and attention. The planar on-chip micro-supercapacitors (MSCs) not only supplies a higher voltage output, but also meets requirements different devices for output by adjusting number integrated MSCs. Here, we show an all-solid-state MSC, which based on reduced graphene oxide film with photolithography technology. This series MSCs can support 2 V voltage. In addition, it possessed better electrochemical performance,...

The scissors aerial work platform is a high-altitude working machine that transports workers, tools and materials to the target position for operation. In Scissors lift mechanism of platform, double hydraulic cylinders are usually adopted drive platform. This paper introduces composition principle dual cylinder system, aiming at synchronous error problems existing in process, system was researched. An equivalent control strategy based on fuzzy PID present, rules were used realize real-time...

Compared with graphene, nitrogen and oxygen co-doped graphene quantum dots can make up for the limitation of active sites. Here, we demonstrated fabrication planar on-chip micro-supercapacitors based on dots. The interdigital micro-electrodes were prepared surface electrode thin film by photolithographic technique. Notably, electrochemical performance had significantly increased. area capacitance was 18.74 μF cm−2. Furthermore, this work offered areal energy density 2.60 nWh cm−2 power...

All-solid-state planar on-chip micro-supercapacitors (MSCs), as a new type of energy storage device, can be well integrated with micro-nano devices and exhibit good practical performance. Nitrogen oxygen co-doped graphene quantum dots (GQDs), one the electrode materials for fabricating supercapacitors, exhibiting novel chemical/physical properties including nanometer-size, abundant edge defects, conductivity better surface grafting. In this article, GQDs film was prepared by modified...

In recent years, researchers continue optimizing and innovating in the selection of supercapacitor electrode materials fabrication processes. this paper, process electrochemical performance an all-solid-state planar on-chip micro-supercapacitors (POMSs) with nitrogen oxygen co-doped graphene quantum dots as material will be demonstrated. Graphene (GQDs) films were prepared by a modified liquid-air interface self-assembly method, patterned photolithography. The resulting POMSs achieved area...

A new series configuration without internal connection was designed and planar on-chip micro-supercapacitors with structure were fabricated by liquid-air interface self-assembly photolithography. Compared the structures of metal graphene connection, no greatly reduced resistance saved device volume. The provided high output voltage 2 V, time constant 0.042 ms, stack capacitance 27.30 F cm-3 retention 89% after 10000 cycles charging discharging at scan rate 100 V s-1.

In this article, we demonstrated the fabrication of micro-supercapacitors by photolithography technology and liquid-air interface self-assembly method. A large-area uniform film with a thickness 18 nm was fabricated modified self-assembly, narrow finger gap, which 30 μm, manufactured photolithography. addition, electrode width interdigital gap ratio were 3:1. The power density energy device 1.21 W cm−3 2.93 mWh cm−3. There an extremely short time constant device, is 0.38 ms. All these leaded...

AbstractAs a popular direction of research in micro-energy storage devices, improving the comprehensive performance all-solid-state planar on-chip micro-supercapacitors (MSCs) has received increasing attention. Graphene quantum dots (GQDs) are new type nano-scale electrode materials that can improve electrochemical devices. In addition, doping nitrogen/oxygen heteroatoms further activity materials. this paper, nitrogen-oxygen co-doped graphene (NO-GQDs) were used as materials, and modified...

The electrochemical performances of microsupercapacitors depend on the electrode materials. And graphene quantum dots are a very ideal In particular, nitrogen or oxygen doping is beneficial to enhance Faraday reaction kinetics and improve interfacial wettability carbon electrolyte solution. this paper, co-doped were used as materials film was prepared by modified liquid-air interface self-assembly method. had high characteristics including area capacitance which 98 μF cm−2, energy density...

Planar on-chip micro-supercapacitors are recognized as one of the most competitive energy sources for electronics. Here, we showed ultrahigh performance all-solid-state planar with photolithographic interdigital electrodes based on modified liquid-air interface self-assembly technique. The electrode width which is narrower than other existing lithography only order 10° μm (electrode 4 and gap μm). prepared reduced graphene oxide films had density 124.4 mWh cm−3, corresponding time constant...

Great results had been achieved in the research of graphene-based planar on-chip micro-supercapacitors. The performances fabricated micro-supercapacitors greatly improved. However, energy characteristics are generally low due to few active sites graphene. Nitrogen and oxygen co-doped graphene quantum dots have nanometer size, more sites, rich edge defects, conducive ion adsorption desorption, can solve above-mentioned disadvantages In this article, all-solid-state based on nitrogen with both...

All-solid-state planar on-chip micro-supercapacitors (MSCs) with superior energy and power characteristics were assembled via modified liquid-air interface self-assembly assisted by two-step reduction photolithography. Planar electrodes based on reduced graphene oxide provided a nanoscale thickness of 3 nm an interdigital electrode width 8 μm. The MCSs showed density 12.17 W cm−3 40.97 mWh cm−3. Moreover, there extremely short time constant 2.16 μs, capacitance retention 97.3% after 10,000...

As a new quasi-zero-dimensional nanomaterial, graphene quantum dots (GQDs) can solve the impact of carbon materials that have low specific surface area and few active sites, improving performance planar on-chip micro-supercapacitors (POMSs) by reducing interdigital width. In this article, nitrogen oxygen co-doped GQDs (N-O-GQDs) as an electrode material narrow width gap are both 6 μm make POMS possess power density 28.1 μW cm−2 energy 15.11 nWh cm−2. Importantly, capacitance retention rate...