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Hefei Institutes of Physical Science, Chinese Academy of Sciences


Directional management of interface defects achieved in perovskite solar cells

A research team at Hefei Institutes of Physical Science achieved high-efficiency perovskite solar cells by passivating interface defects using a new-type low-dimensional perovskite. The modified material showed reduced defect density, lowered nonradiative recombination, and improved long-term stability.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalACS Energy Letters·TypeExperimental study·DateNov 29, 2021

Novel aptamer-SERS detection protocol developed to detect hepatic inflammation related MiR-122

Researchers developed a novel biosensor using aptamer-combined SERS to detect miR-122 in cell-secreted exosomes, providing a potential biomarker for radiation-induced organ injury and liver inflammation. The method offers rapid separation of analytes using magnetic NPs, enabling early diagnosis of hepatic inflammation cases.

Researchers developed a new phonon-based and magneto-tunable monochromatic terahertz source

A team of researchers from Hefei Institutes of Physical Science and University of Science and Technology developed a highly efficient magneto-tunable monochromatic THz generator. The new source utilizes a 2D ferromagnetic Cr2Ge2Te6 crystal, exhibiting advantages such as zero threshold, high quality factor, and radiation efficiency.

Novel method proposed for effective structure control of colloidal molecules

A novel method was proposed to effectively control the structure of colloidal molecules through a one-pot synthesis route. This approach enables the preparation of colloidal molecules with various morphologies, including popcorn-like and CO2-like shapes, by manipulating the addition order and content of styrene and divinylbenzene.

Researchers identify ultrafast dynamics in monolayer MoS2/ReSe2 heterostructures

A team of researchers identified the ultrafast carrier dynamics in monolayer MoS2/ReSe2 heterostructures, revealing relaxation pathways and intermediate processes. The study provides comprehensive insight into photocarrier dynamics across charge separation, enabling the development of optoelectronic devices.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalACS Nano·TypeExperimental study·DateNov 1, 2021

Scientists discover two coexisting pseudo-mirror heteromolecular telomeric g-quadruplexes differentially recognized by thioflavin T

Researchers describe two coexisting pseudomirror heteromolecular telomeric G-quadruplexes with distinct loop progressions differentially recognized by thioflavin T. The study highlights the impact of a single altered flanking base on mutual recognition between G-rich oligomers.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalNucleic Acids Research·TypeExperimental study·DateOct 28, 2021

Smartphone sensing platform provides early warning for lung cancer and ketosis/diabetes

A new smartphone-based platform detects biomarkers for lung cancer and ketosis/diabetes using fluorescent nanoprobes. The platform provides early warning and visual detection of biomarkers in exhaled breath or blood, offering a convenient and potential method for preliminary monitoring and clinical diagnosis.

Scientists discover phenomenon of ultra-long spin relaxation in 2D Van Der Waals magnetic materials

Researchers discovered ultra-long spin relaxation behavior in 2D van der Waals magnetic materials using an all-optical technique. The study reveals the key role of dimensionality and thermal diffusion anisotropy in spin dynamics, providing a research basis for high-frequency devices.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·Journal2D Materials·TypeExperimental study·DateOct 26, 2021

Researchers achieve universal route to family of penta-twinned gold nanocrystals

A research team has developed a universal route with fine kinetic control to synthesize a family of penta-twinned gold nanocrystals. The method, which uses tailored atom deposition sites and rates, allows for the fabrication of seven types of penta-twin nanocrystals with tunable sizes and high purity.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalChemical Science·TypeExperimental study·DateOct 12, 2021

Synthesis of AgNPs@rGO: Simple and green way for wound healing

Scientists from Hefei Institutes of Physical Science create a novel approach to synthesizing silver nanoparticles and reduced graphene oxide composite material using plasma technology. The resulting AgNPs@rGO nanomaterial shows excellent disinfection effects and bio-compatibility, making it suitable for wound healing band-aids.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalChemical Engineering Journal Advances·DateOct 12, 2021

Researchers identified two possible Mott-insulating pictures in magnetic superexchange couplings in Sr2IrO4

Researchers have identified two possible Mott-insulating pictures in magnetic superexchange couplings of Sr2IrO4, shedding light on the mechanism for superconductivity in doped La2CuO4. The study used different theories to analyze the magnetic interactions in the strong-to-intermediate coupling regime.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalPhysical Review B·TypeExperimental study·DateSep 27, 2021

Novel strategy discovered for FLT3-ITD-positive acute myeloid leukemia

Researchers at the Hefei Institutes of Physical Science have developed a novel targeting chaperon protein HSP70 inhibitor QL47 to treat FLT3-ITD-positive acute myeloid leukemia. The study found that QL47 induces FLT3-ITD protein degradation and cell apoptosis, extending animal survival in mice bone marrow engraftment models.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalSignal Transduction and Targeted Therapy·TypeExperimental study·DateSep 27, 2021

Novel AR film developed to maximize the transmission of infrared light

A research team from Hefei Institutes of Physical Science has developed a novel antireflective (AR) film using sol-gel technology, maximizing the transmission of infrared light on a CdSe substrate. The film shows excellent high and low temperature resistance, reducing reflectivity by up to 27% in a wide band.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalColloids and Surfaces·TypeExperimental study·DateSep 8, 2021

Sn2+ sensitization improves the photoelectric performance of PbS-based photodetectors

Researchers created high-quality Sn2+-sensitized PbS films to improve photoelectric performance, achieving over 9 times increased photoresponsivity. The new photodetectors demonstrated excellent stability and switching behavior under high-frequency pulsed light illumination.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Alloys and Compounds·TypeExperimental study·DateSep 6, 2021

Ultraviolet light helps to realize light-controlled enhancement and fast stabilization of hot-electron photocurrent

Researchers developed all-optical-input transistors that use ultraviolet light to control hot-electron photocurrent, overcoming the limitation of small electron numbers and low energies. This enables fast response rates and stable states, making these devices promising for energy-efficient and low-carbon applications.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalPhysical Chemistry·TypeExperimental study·DateSep 6, 2021

Researchers develop high-selective pseudocapacitive electrode for water softening

Scientists at Hefei Institutes of Physical Science developed a pseudo-capacitive electrode with high absorption capacity, selectivity, and stability for electro-sorption of hardness ions. The hybrid capacitive deionization system shows superb electro-affinity and high hardness selectivity in multi-cation solution.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateAug 22, 2021

Scientists discover novel mechanism of CircRNA inhibiting gastric cancer metastasis

Researchers identified a novel mechanism by which circURI1 suppresses gastric cancer metastasis through hnRNPM decoy and alternative splicing modulation. This study provides new insights into the molecular basis of cancer metastasis and suggests circURI1 as a potential therapeutic target for diagnosis and treatment.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateAug 18, 2021

New exotic magnetic quasiparticle "skyrmion bundle" joins topological zoo

Researchers discovered a new family member of topological magnetic structures, the skyrmion bundle, which exhibits arbitrary topological charges. The study used Lorentz transmission electron microscopy and found collective motions and topological sign dependence of Hall sideway shifts driven by nanosecond pulsed currents.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalNature Nanotechnology·TypeExperimental study·DateAug 17, 2021

Ultra-complex structure of carbon disulfide proved under high pressure

A study by researchers from Hefei Institutes of Physical Science reveals that non-molecular carbon disulfide exhibits a mixture of 3 and 4-fold coordinated carbon atoms, contradicting the long-held Bridgman's polymer model. This finding enhances understanding of bonding behaviors in group IV and VI AB2 compounds.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalThe Journal of Physical Chemistry Letters·TypeExperimental study·DateAug 17, 2021

Novel nanoplatform to enhance therapeutic effect for cancer

Researchers have developed a novel nanoplatform to enhance therapeutic effects for cancer, using biomimetic cell membranes and pseudomonas geniculate cells as the natural source. The platform shows minimal cytotoxicity and facilitates efficient drug internalization, while accelerating reactive oxygen species generation in cancerous cells.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Nanobiotechnology·TypeExperimental study·DateAug 17, 2021

New solid-state thermal diode developed with better rectification performance

Researchers from Hefei Institutes of Physical Science, Chinese Academy of Sciences, have developed a novel thermal diode with improved rectification performance. The new device exhibits excellent thermal rectification performance, with a maximum coefficient of 1.51, and requires less temperature bias than other reported thermal diodes.

Research reveals advantage of 2D metal-organic framework nanosheets in sensing applications

Two-dimensional (2D) metal-organic framework (MOF) nanosheets show improved detection performance in sensing applications compared to their three-dimensional counterparts. The research reveals excellent fluorescence stability, high selectivity towards fluoride ions, and faster response times.

Scientists discover nanoclusters effective for cancer in the second near-infrared synergy therapy

Researchers have developed a new type of nanocarrier that combines photothermal, chemo-therapy, and chemodynamic therapy to target and destroy cancer cells. The nanoclusters, which are responsive to near-infrared light, show a significant inhibitory effect on mouse tumor growth in vivo experiments.

Non-stop signal achieved in high-power Er3+-doped mid-infrared lasers

Researchers at the Hefei Institutes of Physical Science have developed high-power Er3+-doped mid-infrared lasers with peak powers over 0.33 MW and repetition rates up to 150 Hz. The lasers achieved quasi-continuous signals, making them promising candidates for dental ablation surgery and optical parametric oscillator applications.

New method eliminates interference of nicotine in detection of methamphetamine

Researchers developed a homemade ion mobility spectrometry method to detect methamphetamine without nicotine interference. The optimized temperature and pyridine concentration resolved overlapping spectral peaks, providing high selectivity and a low limit of detection for MA detection.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalAnalytical and Bioanalytical Chemistry·DateJun 10, 2021