The terms; luminescence, photoluminescence, fluorescence and phosphorescence are routinely used in research papers to describe the emission of light from a sample. This multiple naming [...]
With perovskite being such a hot topic at the moment Halide perovskite photovoltaic cells have attracted tremendous attention due to the rapid rise in solar [...]
Science Trends in 2023 will shape the future of research, from environmental challenges to advances in precision medicine. Read our blog which outlines the trends [...]
Introduction
Efficient extraction of charge carriers is critical for the creation of high-efficiency solar cells. To improve charge extraction, electron and hole extraction layers are routinely [...]
The hybrid halide perovskite has recently emerged as a new class of low cost semiconductor for optoelectronic applications. They have received widespread attention as an [...]
Molecular Spectroscopy is a subcategory of spectroscopy that studies the interaction of radiation with molecules and extended materials, as opposed to atomic spectroscopy techniques which [...]
In this application note, emission properties of a phosphorescent organic light emitting diode (PhOLED) are investigated using an FS5 Spectrofluorometer equipped with the electroluminescence accessory. [...]
Introduction
Zero-dimensional (0D) metal halide hybrids are an emerging class of semiconducting materials for optoelectronic applications including light-emitting diodes, lasers and photovoltaics. Heterometallic (comprising of more [...]
In our latest application note "Photoluminescence Spectroscopy of a White-Light Emitting Perovskite Structure" we study the photoluminescence properties of a perovskite light emitter using the [...]
Using excitation emission matrix spectroscopy, in this application note the FLS1000 Photoluminescence Spectrometer, equipped with an InGaAs NIR camera, is used to identify the chiral [...]
As manufacturers of state of the art fluorescence spectroscopy instrumentation, we are able to meet the most demanding applications within photophysics, photochemistry, material sciences and [...]
We appreciate that choosing a provider for your spectroscopy needs can be challenging. In this quick read we look at the top five reasons you [...]
We are delighted to announce a series of Webinars this Summer by our Taiwan business partners, Rightek.
For those working in the field of molecular spectroscopy [...]
Halide perovskite solar cells have attracted tremendous attention over recent years due to the rapid rise in solar cell efficiencies and their potential for providing [...]
In this blog post we highlight a recent paper by Professor Fiorenzo Vetrone, Small and Bright Lithium-Based Upconverting Nanoparticles (UCNP), which was published in JACS. [...]
Investigating the potential of erbium-doped fluoride glass for mid-infrared lasers in applications, including medicine, Lasers and telecommunications. Photoluminescence spectroscopy using an FLS1000 spectrometer with a [...]
Fourier Transform Photoluminescence (FT-PL) spectrometers are modified to overcome the problems associated with measuring photoluminescence on a non-dispersive instrument. In this technical note, we discuss [...]
At Edinburgh Instruments, we understand that choosing the right spectroscopy instrumentation can be difficult, which is why we have highlighted the most popular Spectroscopy Instrumentation [...]
Introduction
Hybrid organic-inorganic halide perovskite semiconductors show excellent promise as optoelectronic devices due to their high performance, solution processability, low cost and tunability. They have received [...]
Congratulations to our customer, Professor Arjan J. Houtepen and his research group at Delft University of Technology, who recently had their paper “Finding and Fixing [...]
When using Raman spectroscopy, we are typically told that photoluminescence (PL) interference is always a problem. However, that’s not always true and configuring your Raman [...]
The development of the light emitting diode (LED) has revolutionised the lighting and display industries. The immense impact of the LED was recognised by the [...]
Introduction
Carbon dots are nanoparticles composed of carbon with diameters below 10 nm. They were accidentally discovered in 2004 by Xu, et al1 when researching methods [...]
In this application note, the photoluminescence properties of graphene oxide are investigated using an FLS1000 Photoluminescence Spectrometer equipped with double excitation and emission monochromators and [...]
We are delighted to announce that we will be running a series of webinars in June covering molecular spectroscopy applications. The webinars are open to [...]
Laser Induced Fluorescence (LIF) is an optical spectroscopic technique where a sample is excited with a laser, and the fluorescence emitted by the sample is [...]
FTIR spectroscopy can be configured with multiple sampling accessories covering all applications. This article introduces the most commonly used sampling techniques; transmission, ATR, specular reflectance, [...]
Key Points
Photoluminescence and electroluminescence are important imaging techniques in the development of organic light-emitting diode (OLED) visual display technology.
Here, these techniques are [...]
Key Points
Raman and photoluminescence microscopy are excellent techniques for the characterisation, analysis and imaging of gallium nitride (GaN)-based devices because they can detect subtle [...]
A CCD Spectrometer (Charge Coupled Device) can significantly reduce the acquisition time of excitation-emission maps, particularly those with narrow emission linewidths.
Excitation-emission spectroscopy becomes increasingly useful [...]
Perovskite Quantum Dots are a promising new class of light emitters. In this application note a complete photophysical characterisation, comprising of absorption spectra, photoluminescence spectra, [...]
Key Points
Photoluminescence spectroscopy is an excellent technique for the direct detection of singlet oxygen (1O2).
1O2 measurements require a combination of sensitive instrumentation, high-intensity [...]
The analysis of components is important in the chemistry, microbiology and engineering of food products. Component analysis is a useful tool in the authentication, quality [...]
Introduction
As photoluminescence (PL) research evolves, so does the demand for sensitive instrumentation to measure increasingly weak PL signals. Besides photon-counting detectors and monochromators with good [...]
Photomultiplier Tube
The photomultiplier tube (PMT) is the detector of choice for high performance fluorescence spectrometers such as the Edinburgh Instruments FLS1000, due to its excellent [...]
Congratulations to our customer, Professor Shuming Chen and his research team at the Southern University of Science and Technology, Shenzhen for the acceptance of their [...]
Key points
Triplet-triplet annihilation upconversion (TTA-UC) is an optical method to convert low to high-energy photons even at low light-level conditions.
Devices based on TTA-UC [...]
Introduction
Triplet excited states in molecules and materials play an important role in many practical applications, from phosphorescent pigments to photodynamic therapy, and even photovoltaic solar [...]
The forgery of documents is a common problem for the police, customs officials, and historians, and they are very difficult to detect by eye. Here [...]
Key points
Organic co-crystals can be found in various applications, such as organic-based light-emitting diodes and lasers.
However, the co-crystals’ planar and rigid constituents limit [...]
Phosphors coatings are used in a wide variety of consumer products, such as discharge lamps, light emitting diodes, and displays. Their light emitting properties are [...]
In this post we discuss the phenomena of second order diffraction through a monochromator and the problems it can cause in fluorescence spectroscopy. This is [...]
We recently visited the virtual MRS Spring Conference where we ran a webinar session on the popular topic of 'Photoluminescence Characterisation of Perovskite Semiconductors'. [...]
Introduction
Luminescent optical probes based on lanthanide chelates have attracted particular attention over the last decades in the biomedical field due to their versatile magnetic and [...]
Introduction
Liquid scintillator detectors are widely utilised in neutrino and astroparticle detection experiments. One liquid scintillator that is increasingly being used in large scale detection experiments [...]
A fluorescence spectrometer is used to study the fluorescence properties of a sample. It excites a sample with a specific wavelength of light and measures [...]
Introduction
Controlling excited state energetics between molecules to harness and transfer energy is paramount in light-based applications, from photocatalysis to medical imaging to design of next [...]
The 16th of May marks the International Day of Light, a date of importance at Edinburgh Instruments as we use light every day in our [...]
Key Points
The ability to perform multiple complementary spectroscopic imaging techniques on a single sample is advantageous.
Lifetime imaging is complementary to spectral photoluminescence and [...]
Many upconversion luminescent materials emissive properties change as a function of temperature, pressure, or the presence of a chemical species. Such properties have long been [...]
Organic solar cells are promising candidates for utilising solar energy due to their adjustable chemical structure and ease of processing for large area photovoltaic panels. [...]
Introduction
A diffraction grating is used to separate polychromatic light into its constituent wavelengths. In a Raman spectrometer a diffraction grating is used to separate the [...]
In this technical note we describe the operation of Batch Mode and demonstrate two examples where it is useful: temperature maps of anisotropy and measurements [...]
This poster presentation video illustrates how to fully characterise the photophysics of a Thermally Activated Delayed Fluorescence (TADF) material for OLED applications using an FS5 [...]
Introduction
Forensic investigations often study extremely small samples which may need analysed by multiple techniques. Confocal Raman and Photoluminescence (PL) Microscopy are well-suited techniques for dealing [...]
What is Quantum Yield? In this article we give a useful insight to the history of quantum yield and how to measure it using the [...]
Introduction
The ideal anticancer drug would be one that is effective at killing rapidly producing cells, is targeted directly to the tumour location, and is non-toxic [...]
Photogenerated charge carriers in a semiconductor can be studied by Transient Absorption (TA) spectroscopy.
The LP980 Transient Absorption Spectrometer provides spectral and time-resolved information [...]
August’s Map of the Month highlights a recent application note studying SWCNTs. The have a broad range of applications and studying the chiral indexes [...]
Edinburgh Instruments is delighted to launch a series of pulsed light sources for time-resolved photoluminescence spectroscopy. The VPL, VPLED and HPL series of pulsed diode [...]
Photon upconversion is the sequential absorption of two or more long wavelength photons leading to the emission of a photon with a shorter wavelength. [...]
In November’s Map of the Month, we celebrate the coming of autumn by photoluminescence imaging chlorophyll in a fallen leaf. [...]
Hypochlorite (ClO-) is commonly used for disinfecting tap water, but its concentration needs to be monitored to make sure it is effective but not toxic. [...]
Key Points
The excited triplet state of the photosensitiser rose bengal is fully characterised by spectral and kinetic transient absorption.
The kinetics of triplet absorption [...]
Kayla F. Presleya,b, Jack T. Lya,b, James R. Deneaulta,b, Matthew J. Daltona, Tod A. Grusenmeyera
a Air Force Research Laboratory, Materials and Manufacturing Directorate, 2179 12th [...]
Determining the orientation of carbon nanotubes can expose important structural information about the material that can help to explain its properties and potential applications. One [...]
In this Map of the Month blog, Raman spectroscopy is coupled with principal component analysis to discriminate between bacterial species. [...]
Providing world-class Molecular Spectroscopy solutions for over 50 years, Edinburgh Instruments precision Raman microscopes offer the highest quality and sensitivity instruments.
RMS1000 Research Grade Microscope
Extending capabilities [...]
Persistent luminescence, commonly called afterglow, is characterised by long-lasting visible emission over several hours after ultraviolet excitation. This finds wide applications in glow-in-the-dark signage and [...]
In this celebration of graphene, our eBook delves into more than just graphene as it explores forms of carbon and 2D materials. Download the eBook [...]
The quantum yield of a material is a fundamental photophysical parameter that defines its efficiency to convert absorbed light into emitted and can be measured [...]
In this article, the definitions of transmittance and absorbance of light by a substance are first introduced followed by an explanation of the Beer-Lambert Law. [...]
Introduction
Understanding and optimising novel materials for the next generation of fuel sources for our energy needs that are efficient, affordable, and carbon neutral is of [...]
In the first of a series of blog posts about common errors made, our applications team discuss how to identify the presence of Raman scattering [...]
Edinburgh Instruments recently sponsored and attended the 'Maximising the rISC' workshop on Thermally Activated Delayed Fluorescence (TADF) at the University of Durham. [...]
This Guide is designed to help you to determine the Fluorescence Quantum Yields (QY) of liquid samples using your FLS920 spectrometer and the Integrating Sphere [...]
Edinburgh Instruments is a global leader in the research, development and manufacturing of state-of-the-art spectroscopic instrumentation for over 50 years. During this time, a worldwide [...]
Key Points
In Raman microscopy, the sample substrate can contribute to the Raman spectrum and hide valuable sample information.
Different substrate materials have unique optical [...]
In this application note, we discuss FRET Fluorescence Based Immunoassay after time-resolved techniques have been applied.
Förster resonance energy transfer (FRET) is a phenomenon of non-radiative [...]
Photocatalysis, the induction of chemical changes by absorption of light, has applications ranging from water splitting for hydrogen production, removal of pollutants from water, and [...]
In this Map of the Month blog, we discuss how mapping can be used to visualise the changes in the Raman spectrum of a sample [...]
An introduction to Multi-Channel Scaling which is the ideal technique for identifying phosphorescent lifetimes. [...]
Edinburgh Instruments is delighted to announce the release of its new benchtop FTIR Spectrometer, the IR5, designed and manufactured at their global headquarters in Scotland.
The [...]
We were delighted to talk to Prof. Hanson from Florida State University to find out about his work in the field of photophysics research and [...]
Edinburgh Instruments is delighted to announce the launch of the new RMS1000 Raman Microscope designed and manufactured at their global headquarters in Scotland.
The RMS1000 Raman [...]
Professor Julia Weinstein at the University of Sheffield has been a longstanding customer of Edinburgh Instruments' and has established many successful collaborations with scientists across [...]
Nasal relief sprays reduce the symptoms of hay fever and colds. Read this Map of the Month blog to find out how they do this, [...]
Nanocarbon & 2D Materials e-book
This e-book demonstrates how Raman microscopy and excitation emission matrix spectroscopy can be used for the analysis of nanocarbon and 2D [...]
Welcome to Edinburgh Instruments newest blog celebrating our work in Raman, Photoluminescence, and Fluorescence Lifetime Imaging. Every month we will highlight our pick for Map [...]
1971
Edinburgh Instruments (EI) founded as the first private spin-out company on Britain's first University 'Research Park'. The company was founded by Professor Des Smith, OBE, [...]
Introduction
The understanding of reaction kinetics is an important area of study across biology and chemistry. Through the study of reaction kinetics the reaction rate, reaction [...]
This Map of the Month blog highlights Raman microscopy’s capability to assist in the identification of art forgeries. The technique is sensitive to pigments which [...]
With Christmas fast approaching our Map of The Month features one of the most used types of Christmas Tree – the pine tree! Find [...]
We were delighted to catch up with Arey Professor of Chemistry, from the University of North Carolina at Chapel Hill, Professor Thomas J. Meyer and [...]
Despite being a major cause of seasonal allergies, the distribution of microscopic pollen particles is crucial for biodiversity. Read our latest Map of the Month [...]
PRIVACY NOTICE
This privacy notice sets out how Edinburgh Instruments ("we", "us" or "our") uses any personal data that you provide to us in accordance with [...]
Edi’s been making a mess in the kitchen! Baking up some Christmas goodies we’ve had a few spills along the way. But what did they [...]
Ever wondered what’s in your chocolate treats – this map of the month we investigate some white chocolate. Mapping the sample, we can see the [...]
Diatoms are single-celled algae encased in a silica cell wall. These algae have major roles in our ecosystem and a great bioindicators of water quality. [...]
Edinburgh Instruments was recently delighted to exhibit and participate in the 10th Asian Photochemistry Conference (APC) which was held in Taipei, Taiwan from 16th – [...]
Nanoscale materials such as quantum dots, carbon nanotubes, nanoparticles and nanostructures exhibit strong spatial confinement upon photo-excitation and tuneable emission, which makes them extremely useful [...]
Tech Eyes Online, a Japanese online portal focusing on measurement instrumentation, recently caught up with our Japanese distributor at the 18th Light & Laser Technology [...]
A first introduction to the popular method of Time-Correlated Single Photon Counting which may be used to separate multiple fluorescence lifetimes from a single sample. [...]
Every month we will highlight our pick for Map of the Month to show how our spectrometers can be used to reveal all the hidden [...]
