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Publicações recentes – Patentes sobre o Sistema Térmico Solar Molecular (MOST)

Sistema solar térmico molecular

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Molecular solar thermal
Os sistemas solares térmicos moleculares captam e armazenam energia solar através da fotoisomerização reversível de moléculas especializadas.

Os sistemas de energia solar térmica molecular (MOST) armazenam energia solar diretamente nas ligações químicas de moléculas fotocomutáveis, principalmente o par norbornadieno-quadriciclano, por meio de fotoisomerização reversível. Os fótons incidentes levam a molécula de um estado fundamental estável para um estado tensionado. alta energia isômero de valência, que retém energia armazenada — potencialmente por meses — até que um gatilho catalítico inicie a reação inversa, liberando calor sob demanda.

O desempenho do sistema depende do rendimento quântico, do coeficiente de extinção molar que corresponde ao espectro solar, da densidade de energia por molécula, da barreira de energia de ativação da isomerização reversa e da resistência à fadiga a longo prazo em ciclos repetidos. A funcionalização molecular por meio do ajuste de substituintes e ligantes conjugados, fotorreatores de fluxo contínuo e o projeto guiado pela DFT definem as fronteiras atuais da pesquisa.

Esta página reúne as publicações revisadas por pares mais recentes e as patentes concedidas em materiais, catálise e integração de sistemas da MOST:

Esta é a nossa mais recente seleção de publicações e patentes mundiais em inglês sobre o Sistema Térmico Solar Molecular (MOST), dentre diversos periódicos científicos online, classificadas e focadas em Norbornadieno-quadriciclano, fotoisomerização, isomerização reversa, molécula de armazenamento de energia, combustível solar, armazenamento fotoquímico de energia, isômero de valência, sistema de anel tensionado, barreira de energia de ativação, reação reversa catalítica, catalisador homogêneo, catalisador heterogêneo, rendimento quântico, correspondência de absortância, coeficiente de extinção molar, densidade de energia por molécula, reação de cicloadição, liberação fotocatalítica, reação reversa térmica, funcionalização molecular, ajuste de substituintes, ligante conjugado, armazenamento molecular em filme fino, sistema de armazenamento em fase líquida, fotorreator de fluxo contínuo, correspondência do espectro solar, sensibilização de tripleto, modelagem molecular DFT, ciclagem de resistência à fadiga, armazenamento de energia em circuito aberto e sistema térmico solar molecular.

Carbon hydrogenation to ethanol versatile unit (chevu)

Patent published on the 2026-05-14 in AU under Ref AU2024227673 by BURKE JOHN (Burke John)

Abstract: The invention is a Domestic low power Carbon Hydrogenation to Ethanol versatile unit (CHEVU) and Heterogeneous Catalyst Testing unit can be used in conjunction with a point-source co2 capture system The invention is a Domestic low power Carbon Hydrogenation to Ethanol versatile unit (CHEVU) and Heterogeneous Catalyst Testing unit can be used in conjunction with a point-source co2 capture system ct c t[...]


Our summary: The CHEVU is a domestic low power unit for carbon hydrogenation to ethanol. It operates alongside a heterogeneous catalyst testing unit. This system can integrate with point-source CO2 capture technologies.

Carbon Hydrogenation, Ethanol Production, Heterogeneous Catalysis, CO2 Capture

Patent

A process for salt separation

Patent published on the 2026-04-09 in WO under Ref WO2026073900 by BASF SE [DE] (Pfeiffer Daniel [de], Delgado Nirvana [de], Schwarz Jonas Luca [de], Lejkowski Michael Ludwig [de])

Abstract: The present invention relates to a process for salt separation, and in particular to an alcohol conversion process employing a homogeneous catalyst and a base, wherein the separation of salts as a byproduct of said alcohol conversion process is carried out by crystallization.[...]


Our summary: This invention describes a process for separating salts during alcohol conversion. It utilizes a homogeneous catalyst and a base. The byproduct salts are separated through crystallization.

salt separation, alcohol conversion, homogeneous catalyst, crystallization

Patent

Synthesis, Properties and Application of Novel 2-Substituted Benzothiazole-Based Oxime Esters

Published on 2026-01-30 by Monika Dzwonkowska-Zarzycka, Alicja Balcerak-Wo?niak, Janina Kabatc-Borcz @MDPI

Abstract: The paper focuses on the synthesis and characterization of the spectroscopic and electrochemical properties of novel oxime esters. Six benzothiazole-based compounds were synthesized using a simple three-step procedure. The chemical structure of novel oxime esters was confirmed by Nuclear Magnetic Resonance spectroscopy (1H and 13C NMR), as well as FT-IR spectroscopy and elemental analysis. The melting point of these compounds was also determined. The spectroscopic properties were studied in 10 s[...]


Our summary: The paper presents the synthesis and characterization of novel benzothiazole-based oxime esters. Spectroscopic and electrochemical properties were analyzed, confirming their potential as Type I photoinitiators. Preliminary studies indicate their effectiveness in initiating light-induced polymerization.

Benzothiazole, Oxime Esters, Spectroscopy, Photoinitiators

Publication

Next-Generation Carbon-Based Quantum Dots for Healthcare and Beauty Applications

Published on 2026-01-29 by Muhammad Noor Nordin, Nur Farhana Shahrul Azhar, Nurhakimah Norhashim, Ili Farhana Mohamad Ali Nasri, Noor Hafidzah Jabarullah @MDPI

Abstract: Carbon quantum dots (CQDs) have attracted intense research interest due to their unique physicochemical properties and broad application potential. CQDs are a new class of ultrasmall fluorescent carbon nanoparticles (&amp;lt;10 nm) that exhibit bright photoluminescence, broad excitation spectra, high quantum yields (QYs), and excellent photostability. Structurally, they consist of graphitic sp2/sp3-hybridized carbon with amorphous or nanocrystalline cores. Unlike conventional semiconductor q[...]


Our summary: Carbon quantum dots (CQDs) are ultrasmall fluorescent nanoparticles with unique physicochemical properties. They offer a safer alternative to traditional semiconductor quantum dots for biomedical and cosmetic uses. This review highlights recent advancements in CQD synthesis and their potential applications in wound healing and beauty formulations.

Carbon Quantum Dots, Healthcare Applications, Photoluminescence, Green Chemistry

Publication

The Integration of a Metal Active Site and Photosensitive Unit

Published on 2026-01-19 by Haoyue Sun, Yu Yang, Yanchang Liu, Dongxue Yang, Yichang Liu, Zaicheng Sun @MDPI

Abstract: Metallaphotoredox catalysis merges the powerful bond-forming abilities of transition metal catalysis with unique electron or energy transfer pathways accessible in photoexcited states, injecting new vitality into organic synthesis. However, most transition metal catalysts cannot be excited by visible light. Thus, prevalent metallaphotoredox catalytic systems require dual catalysts: a transition metal catalyst and a separate photosensitizer. This leads to inefficient electron transfer between the[...]


Our summary: This content discusses the integration of metal active sites and photosensitive units in metallaphotoredox catalysis. It highlights the inefficiencies of dual catalyst systems and proposes single-atom site catalysts as a solution. The review emphasizes the benefits of this integration for enhancing photocatalytic efficiency and ease of catalyst reuse.

metallaphotoredox, single-atom catalysts, photocatalysis, electron transfer

Publication

Optimization of Biodiesel Production from Waste Cooking Oil Using a Construction Industry Waste Cement as a Heterogeneous and Reusable Catalyst

Published on 2026-01-14 by Jing Sun, Hongwei Chen, Hongjian Shen, Xiang Luo, Zezhou Lin, Honglei Zhang @MDPI

Abstract: Biodiesel, which is a blend of fatty acid methyl esters (FAME), has garnered significant attention as a promising alternative to petroleum-based diesel fuel. Nevertheless, the commercial production of biodiesel faces challenges due to the high costs associated with feedstock and the non-recyclable homogeneous catalyst system. To address these issues, a solid catalyst derived from construction industry waste cement was synthesized and utilized for biodiesel production from waste cooking oil (WCO)[...]


Our summary: This study explores the use of construction industry waste cement as a heterogeneous catalyst for biodiesel production from waste cooking oil. A maximum yield of 98.1% biodiesel was achieved under optimized conditions, demonstrating the catalyst s effectiveness and reusability. The research highlights a sustainable approach to biodiesel production, enhancing economic viability and environmental benefits.

Biodiesel, Waste Cooking Oil, Heterogeneous Catalyst, Transesterification

Publication

A Green Nanostructure for Marine Biosensing Applications

Published on 2025-08-01 by Ahmed Dawood, Mohsen Ghali, Laura Micheli, Medhat H. Hashem, Clara Piccirillo @MDPI

Abstract: Aquatic biomass&amp;mdash;ranging from fish scales and crustacean shells to various algae species&amp;mdash;offers an abundant, renewable source for carbon dot (CD) synthesis, aligning with circular economy principles. This review highlights recent studies for valorizing aquatic biomass into high-performance carbon-based nanomaterials&amp;mdash;specifically aquatic biomass-based carbon dots (AB-CDs)&amp;mdash;briefly summarizing green synthesis approaches (e.g., hydrothermal carb[...]


Our summary: This review discusses the synthesis of carbon dots from aquatic biomass for marine biosensing applications. It highlights green synthesis methods that reduce environmental impact and the unique properties of these carbon dots. The potential applications include detecting marine biotoxins, environmental monitoring, and drug delivery systems.

carbon dots, aquatic biomass, biosensing, green synthesis

Publication

Synthesis, Current Advances, and Challenges

Published on 2025-07-15 by Maya Yaghi, Sandra Chidiac, Sary Awad, Youssef El Rayess, Nancy Zgheib @MDPI

Abstract: Biodiesel, a renewable and environmentally friendly alternative to fossil fuels, has attracted significant attention due to its potential to reduce greenhouse gas emissions. However, high production costs and complex processing remain challenges. Heterogeneous catalysts have shown promise in overcoming these barriers by offering benefits, such as easy separation, reusability, low-cost raw materials, and the ability to reduce reaction times and energy consumption. This review evaluates key classe[...]


Our summary: This review discusses the potential of heterogeneous catalysts in biodiesel production. It evaluates key catalyst classes and their performance in transesterification and esterification processes. Challenges such as catalyst deactivation and feedstock variability are highlighted, emphasizing the need for optimization and standardized evaluation.

Biodiesel, Heterogeneous Catalysts, Transesterification, Production Efficiency

Publication

Tópicos abordados: Sistema Solar Térmico Molecular, MOST, energia solar, armazenamento de energia térmica, materiais de mudança de fase, nanotecnologia, transferência de calor, energia renovável, eficiência energética, conversão fototérmica, ciência dos materiais, tecnologia solar térmica, ISO 50001, ASTM E2230, IEC 61215, ASHRAE 901 e ISO 14001.

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