阿拉丁 石墨相氮化碳光催化剂 (g-C3N4)

评测依据

• review_count：1800
• rating_avg：4.5
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_quality
• sources：["京东","天猫","阿拉丁官网"]
• time_range：{"from":"2026-06-25 15:21:35","to":"2026-06-25 15:21:35"}
• intros：{"brand_intro":"阿拉丁（Aladdin）是中国领先的科研试剂与耗材品牌，隶属于上海阿拉丁生化科技股份有限公司，成立于2009年。品牌以\"让科研更简单\"为使命，拥有超过10万种产品SKU，覆盖化学、材料、生物等领域。其光催化剂产品线依托华东理工大学联合实验室，采用独创的\"微波辅助热聚合\"工艺，确保g-C3N4的结晶度和可见光响应性。创始人徐博士曾留学德国，将欧洲精细化工品控体系引入国内，坚持每批次产品提供NMR、XRD、BET等全维度检测报告。","product_intro":"该产品定位为可见光响应的非金属光催化剂，核心材料为石墨相氮化碳（g-C3N4），具有二维层状结构，禁带宽度约2.7eV，可吸收波长<460nm的蓝光。适用于光催化产氢、CO₂还原、有机合成（如C-C偶联）等前沿领域。相比传统TiO₂，其无需紫外光，在自然光或LED蓝光下即可工作。竞品对比中，阿拉丁的g-C3N4在产氢速率（以Pt为助催化剂）可达1200μmol·h⁻¹·g⁻¹，优于Sigma-Aldrich同类产品（约900μmol·h⁻¹·g⁻¹），且价格低40%。","key_specs":{"材料":"石墨相氮化碳 (g-C3N4)","禁带宽度":"2.7 eV (UV-Vis DRS)","比表面积":"30-50 m²/g (BET法)","光响应范围":"可见光 (λ<460nm)","产氢速率":"≥1200 μmol·h⁻¹·g⁻¹ (3wt% Pt负载，10%三乙醇胺牺牲剂)","形态":"淡黄色粉末，粒径1-5μm"}}
• alt_products：[{"product_name":"阿拉丁 石墨相氮化碳光催化剂 (g-C3N4)","brand":"阿拉丁","model":"G121345","price":680},{"product_name":"麦克林 铋系光催化剂 (BiVO4)","brand":"麦克林","model":"B875432","price":520}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价集中于科研论坛和阿拉丁官网。优点：1）可见光活性优异，适合光催化产氢实验，数据重复性好；2）批次稳定性高，不同批次XRD图谱一致；3）包装密封性好，附带干燥剂，长期存储不变质。缺点：1）比表面积相对较小，对表面反应速率有限制；2）在碱性条件下稳定性下降，需注意pH范围。专业评测（如《Advanced Materials》引用）指出其结晶度优于多数国产竞品，但剥离成单层纳米片后性能提升空间大。","source_count":3}},{"source":"objective","score":88.36,"weight":0.6,"confidence":0.8,"details":{"rating_avg":4.5,"review_count":1800,"wom_score":85.89999999999999}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":1800,"source":"product_reviews_aggregate"}}]
• method_version：v3
• search_visual：null