- 标题
- 摘要
- 关键词
- 实验方案
- 产品
-
Surface protective and catalytic layer consisting of RuO2 and Pt for stable production of methylcyclohexane using solar energy
摘要： A particulate (ZnSe)0.85(CuIn0.7Ga0.3Se2)0.15 (ZnSe:CIGS)-based photocathode modified with RuO2 and Pt species exhibited improved photoelectrochemical (PEC) activities and stability for hydrogen evolution as well as production of methylcyclohexane, the promising hydrogen carrier, from toluene with using a highly alkaline aqueous solution as a hydrogen source under sunlight with almost 100% of Faradaic efficiency. It was revealed that the co-loading of RuO2 with Pt changed the Pt oxidation state, partly explaining the improved activity and stability, associated with an anchoring effect of Pt. It was also determined that such highly alkaline conditions promote selective MCH production, possibly due to improved performance of the anion exchange membrane. The present study involving the construction of a surface protective/catalytic layer suggests a novel approach to artificial photosynthesis for solar energy harvesting in the form of organic hydrides.
关键词： methylcyclohexane,hydrogen carrier,photoelectrochemistry,near infrared-responsive photocathode,RuO2 surface modification
更新于2025-09-10 09:29:36
-
Plasma Based Synthesis of Nanomaterials for Development of Plasmon Enhanced Infrared Responsive Optoelectronic Device
摘要： We report plasma based fabrication of an optoelectronic device with plasmon enhanced infrared sensitivity realized by integrating plasmonic gold nanoparticles (Au NPs) with an organic semiconductor matrix. A blend of plasma polymerized aniline (PPA)-Rubrene, prepared by a novel plasma based method acts as the semiconductor matrix for charge transport in the device geometry. Significantly improved photovoltaic property of the device with an open circuit voltage (VOC) of 1.08 V is obtained with the addition of Au NPs in the device. We experimentally demonstrate very efficient plasmon generated charge transfer between Au NPs and PPA-Rubrene system leading to significant enhancement of infrared responsivity of 2200% at the plasmon absorption band of Au. This study demonstrates how plasma based processes can be utilized to prepare plasmonic nano-materials and also to synthesize organic semiconductor materials suitable for development of plasmonic charge generating devices responsive to infrared region of the electromagnetic spectrum.
关键词： Infrared responsive,Plasma process,Optoelectronic device,Surface plasmon
更新于2025-09-10 09:29:36