A New Beam Condenser Design for Studies on Solutions and Single Crystals with a UV-Vis Spectrophotometer

Mullica, D. F.; Wilson, G.A.; Leschnitzer, D.H.

doi:10.1366/0003702914336561

Cited by 3 publications

(2 citation statements)

References 15 publications

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“…Improved detector technology continues to be an area of high interest particularly in the area of photoacoustic detection cells (358)(359)(360) and also in applications of 1P28 type tubes for operation in vacuum systems (361). A new beam condenser design has been described for studies on solutions and single crystals (362). Devices developed for facilitating spectrophotometric measurements have included a high precision stopped-flow mixer (363) for kinetics studies and modification of a commercial dual channel valve for a stopped-flow injection analysis system (364).…”

Section: Standards and Calibration Wavelength Calibrationmentioning

confidence: 99%

Ultraviolet and light absorption spectrometry

Hargis¹,

Howell²

1992

Anal. Chem.

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with a B S In 1961, an M.S. in 1963. and a Ph D. in 1964. spent a year as a Postdoctoral Research Associate at Purdue University, and |olned the faculty at UNO in 1965. His present research Interests Include ultraviolet and light absorption spectrometry, reaction-rate analyses, heteropolymoiybdate chemistry, and on-line computer applications to chemical problems. He has authored or coauthored numerous research papers, an Instrumental analysis laboratory manual, an introductory analytical chemistry textbook, and chapters In several monographs dealing with spectrophotometry. Dr. Hargis holds membership in the American Chemical Society (Analytical and Education divisions). Phi Lambda Upsilon, and Sigma XI.

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Section: Standards and Calibration Wavelength Calibrationmentioning

confidence: 99%

Ultraviolet and light absorption spectrometry

Hargis¹,

Howell²

1992

Anal. Chem.

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“…Interestingly, the replacement of C=N bond with N=O bond can lead to the synthesis of a new PBA, Fe[Fe(CN) 5 NO], resulting in alternative charging/discharging mechanisms. Although the crystal structure of Fe[Fe-(CN) 5 NO] • xH 2 O has been studied, [19,20] its performance and application in SIBs remain relatively unknown, making it an exciting avenue to explore for new cathode materials.…”

Section: Introductionmentioning

confidence: 99%

Improved Reversible Capacity and Cycling Stability by Linear (N=O) Anions in Fe[Fe(CN)₅NO] as Sodium‐Ion Battery Cathode

Han

Gao

et al. 2023

ChemSusChem

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Prussian blue analogues (PBAs) are promising cathode materials for sodium‐ion batteries (SIBs) due to their tunable chemistry, open channel structure, and low cost. However, excessive crystal water and volume expansion can negatively impact the calendar lifetime of actual SIBs. In this study, a novel Iron nitroprusside (Fe[Fe(CN)5NO]) (PBN) was synthesized to effectively eliminate the detrimental effects of crystal water on the reversible capacity and cycling stability of PBA materials. Experiments and Density functional theory (DFT) calculations demonstrated that PBN has lower crystal water and volume expansion compared to Fe[Fe(CN)6] (PB). Also, N=O bond in PBN significantly reduces the diffusion potential of Na+ in the skeleton. Without any modification, the cathode material exhibited a capacity of up to 148.6 mAh g‐1 at 50 mA g‐1 while maintaining 102.9 mAh g‐1 after 200 cycles. This work expands our knowledge of the crystal structure of PBA cathode materials and facilitates the rational design of high‐quality PBA cathodes for SIBs.

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Application of an Optical Beam Condenser for UV-Vis Spectral Studies on Monoclinic LnPO₄ Single Crystals

1994

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The application of an optical beam condenser was made for the purpose of measuring Judd-Ofelt intensity parameters, τλ on single crystals of monoclinic lanthanide orthophosphates, LnPO4. Intensity parameters were calculated from absorbance data obtained with the beam condenser on crystals having cross sections and pathlengths in the range of 3.0 to 5.0 mm2 and 0.4 to 0.8 mm, respectively. Interpretation of the results related to the environment of the lanthanide ion as well as the crystal structure is presented.

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A New Beam Condenser Design for Studies on Solutions and Single Crystals with a UV-Vis Spectrophotometer

Cited by 3 publications

References 15 publications

Ultraviolet and light absorption spectrometry

Ultraviolet and light absorption spectrometry

Improved Reversible Capacity and Cycling Stability by Linear (N=O) Anions in Fe[Fe(CN)₅NO] as Sodium‐Ion Battery Cathode

Application of an Optical Beam Condenser for UV-Vis Spectral Studies on Monoclinic LnPO₄ Single Crystals

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A New Beam Condenser Design for Studies on Solutions and Single Crystals with a UV-Vis Spectrophotometer

Cited by 3 publications

References 15 publications

Ultraviolet and light absorption spectrometry

Ultraviolet and light absorption spectrometry

Improved Reversible Capacity and Cycling Stability by Linear (N=O) Anions in Fe[Fe(CN)5NO] as Sodium‐Ion Battery Cathode

Application of an Optical Beam Condenser for UV-Vis Spectral Studies on Monoclinic LnPO4 Single Crystals

Contact Info

Product

Resources

About

Improved Reversible Capacity and Cycling Stability by Linear (N=O) Anions in Fe[Fe(CN)₅NO] as Sodium‐Ion Battery Cathode

Application of an Optical Beam Condenser for UV-Vis Spectral Studies on Monoclinic LnPO₄ Single Crystals