Photochemistry

Photochemistry is the study of chemical processes that occur because of the absorption of light. The study of photochemical systems that use sunlight to drive important chemical reactions or to generate electricity is of great practical significance for the development of sustainable sources of energy.

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Latest Research and Reviews

  • Research | | open

    Tsuji–Trost allylation is a traditional method for selective C-C bond formation that involves the use of palladium-based catalysts. Here, the authors report a metal-free, photocatalytic allylation of several heterocycles, amines and alcohols, which can be easily tuned towards the Z- or E- allylated product.

    • Ana María Martínez-Gualda
    • , Rafael Cano
    • , Leyre Marzo
    • , Raúl Pérez-Ruiz
    • , Javier Luis-Barrera
    • , Rubén Mas-Ballesté
    • , Alberto Fraile
    • , Víctor A. de la Peña O’Shea
    •  & José Alemán
  • Research | | open

    While photoelectrochemical water splitting offers a low-cost, integrated means to generate fuel from light, poor charge carrier transport limits performances. Here, authors embed laser-synthesized colloids in bismuth vanadate photoanodes to boost charge carrier mobilities and enhance photocurrents.

    • Jie Jian
    • , Youxun Xu
    • , Xiaokun Yang
    • , Wei Liu
    • , Maosen Fu
    • , Huiwu Yu
    • , Fei Xu
    • , Fan Feng
    • , Lichao Jia
    • , Dennis Friedrich
    • , Roel van de Krol
    •  & Hongqiang Wang
  • Research | | open

    The band gap of metal halide perovskites can be tuned by changing composition, but the underlying mechanism is not well understood. Here the authors determine, by experiments and theoretical analysis, the energy levels of all primary tin- and lead-based perovskites, relating them to the levels of the composing ions.

    • Shuxia Tao
    • , Ines Schmidt
    • , Geert Brocks
    • , Junke Jiang
    • , Ionut Tranca
    • , Klaus Meerholz
    •  & Selina Olthof
  • Research |

    Biomass can be used to scavenge photogenerated holes in photocatalytic hydrogen production, but the oxidized molecules that form are not always useful products. Here, the authors use Ru-ZnIn2S4 to photocatalyse the dehydrogenative C−C coupling of lignocellulose-derived methylfurans, forming both hydrogen and diesel fuel precursors.

    • Nengchao Luo
    • , Tiziano Montini
    • , Jian Zhang
    • , Paolo Fornasiero
    • , Emiliano Fonda
    • , Tingting Hou
    • , Wei Nie
    • , Jianmin Lu
    • , Junxue Liu
    • , Marc Heggen
    • , Long Lin
    • , Changtong Ma
    • , Min Wang
    • , Fengtao Fan
    • , Shengye Jin
    •  & Feng Wang
  • Research | | open

    Understanding the energetic driving force is important for optimizing the performance of organic solar cells. Here Nakano et al. suggest that the dominant driving force is the energy difference between the singlet excited state and the charge transfer state after assessing 16 material combinations.

    • Kyohei Nakano
    • , Yujiao Chen
    • , Bo Xiao
    • , Weining Han
    • , Jianming Huang
    • , Hiroyuki Yoshida
    • , Erjun Zhou
    •  & Keisuke Tajima
  • Research | | open

    Designing systems to drive endergonic reactions using light as an energy source is a major challenge. Here a photoswitchable ligand is used to generate unstable cyclic tetravanadate species in solution.

    • Hanno Sell
    • , Anika Gehl
    • , Daniel Plaul
    • , Frank D. Sönnichsen
    • , Christian Schütt
    • , Felix Köhler
    • , Kim Steinborn
    •  & Rainer Herges

News and Comment

  • News and Views |

    Photocatalytic H2 production using semiconductors is a promising approach to store solar energy as a chemical fuel, but the oxidizing power of the excited holes is often wasted. Now, holes are harnessed in a dehydrocoupling strategy that simultaneously produces H2 and diesel fuel precursors from biomass-derived molecules.

    • Guanqun Han
    •  & Yujie Sun
  • News and Views |

    Two recent back-to-back meetings conveyed a common set of ongoing challenges for the fields of organocatalysis, photoredox catalysis and photochemistry.

    • Craig P. Johnston
    Nature Chemistry 11, 400-401
  • News and Views |

    The direct formation of C–N bonds onto arenes provides a simple route to synthesize a variety of important products. Now, formation of a highly polarized, aminium radical cation enables direct C–H amination, allowing the coupling of an exceptionally broad range of alkyl amines and arenes.

    • David Nagib
    Nature Chemistry 11, 396-398
  • News and Views |

    Organic donor–acceptor heterojunctions can show efficient electroluminescence and at the same time generate charges under photovoltaic operation.

    • Wolfgang Brütting
    Nature Materials 18, 432-433